HitachiメーカーSJ300-037HFEの使用説明書/サービス説明書
ページ先へ移動 of 289
HIT A CHI SJ300 Series In ver ter Instruction Man ual • Three-phase Input 200V Class • Three-phase Input 400V Class After reading this manual, keep it handy f or futur e r eference.
SJ300 Inverter i Saf ety Messa ges For the best results with the SJ300 Series inv ert er , carefully read this manual and all of the warning labe ls attached to the inv erter b efore installing and operatin g it , and follo w the instruc- tions exactly .
ii General Precautions - Read These Fir st! W ARNING: This eq uipment shou ld be installed, adjusted, and serv iced by quali fied electrical maintenance personnel familiar with the constr uction and oper atio n of the equipment and the hazards in v olved.
SJ300 Inverter iii CAUTION: a) Motor must be con nected to protecti ve ground via low resistiv e path (< 0.1 Ω ) b) Any motor used must be of a suitable rating. c) Motors may have hazardous moving parts. In this ev ent suitable prot ection must be provided.
iv Index to W arnings and Cautions in This Manual Installation—Cautions f or Mounting Procedur es CA UTION: Be sure to install th e unit on flam e-resistant mate rial such as a steel plate. Otherwise, there is the dang er of fire. ............... 2– 6 CA UTION: Be sure not to place any flammabl e mate rials near the in verter .
SJ300 Inverter v HIGH V OL T AGE: Be sure to ground the unit. Otherwise, there is a danger of electric shock and/or fire. ............. 2–13 HIGH V OL T AGE: W iring work shall be carried out on ly by qualified personnel. Otherwise, there is a da nger of electric sh ock and/or fire.
vi CA UTION: Fasten the scre ws with th e specified f astening torque in the table below . Check for any loosening of scre ws. Otherwise, there is the danger of fire.
SJ300 Inverter vii W arnings for Operations and Monitoring W ARNING: Be sure to turn ON the i nput p ower supply only after closing the front case. While the in verter is ener gized, be sure not to open the front case. Otherwise, there is the danger of electric shock.
viii Cautions f or Operations and Monitoring CA UTION: The heat sink f ins will hav e a high temperature. Be caref ul not to touch them. Otherwise, there is the danger of getting burned. ............... 4–2 CA UTION: The operation of the in vert er can be easily changed from low speed to high speed.
SJ300 Inverter ix General W arnings and Cautions W ARNING: Never modify the unit. Otherwise, there is a danger of electric sh ock and/or injury . CAUTION: W ithstand v oltage test s a nd insulation resistance te sts (HIPOT) a re ex ecuted before the units are shipped, so there is no ne ed to conduct these tests before operatio n.
x CAUTION: Do not insert leading power factor capa citors or surge absorbers between the output terminal s of the in v erter and motor . CAUTION: Be sure to connect the groun ding terminal to earth ground. CAUTION: When inspecting t he unit, be sure to wait fi ve minutes after tuning OFF the po wer supply before opening the cover .
SJ300 Inverter xi CAUTION: MO T OR TERMINAL V OL T A GE S URGE SUPPRESSION FIL TER (F or 400 V CLASS In verters) In a system using an in verter with the v oltag e control PWM system, a v oltage sur ge.
xii UL ® Cautions, W arnings, and Instructions Wiring W arn ings for E l ec t ri c a l Practices a nd Wire Sizes The Caution s, W arnings, and instructions in this section summar ize the procedures necessary to ensure an inv erter instal lation comp lies with Underwri ters Laboratories ® guidelines.
SJ300 Inverter xiii Input Vo l t a g e Motor Output 400V In verter M odel Wir e Size Range (A WG) To r q u e HP kW ft-lbs (N-m) 400V 1 0.75 SJ300-007 HFU/E 20 1.1 1.5 2 1.5 SJ300-015HFU/E 18 1.1 1.5 3 2.2 SJ300-022HFU/E 16 1.1 1.5 5 4.0 SJ300-040HFU/E 14 1.
xiv Circuit Breaker and Fus e Sizes The inv erter’ s connections to input power must inclu de UL Listed inv erse time circu it breakers with 600V rating, or UL Listed fu ses as sho wn in the tab le below .
xv SJ300 Inverter Safety Messages Hazardous High Voltage i General Precautions - Read These First! ii Index to Warnings and Cautions in This Manual iv General Warnings and Cautions ix UL ® Cautions, .
xvi Chapter 5: Inverter System Accessories Introduction 5–2 Component Descriptions 5–3 Dynamic Braking 5–6 Chapter 6: Troubleshooting and Maintenance Troubleshooting 6–2 Monitoring Trip Events.
SJ300 Inverter xvii Re visions Revision History T able No. Revision Comments Date of Issue Operation Manual No. Initial release of ma nual NB613X March 2001 NB613X 1 Add three higher-horsepower models.
xviii Contact Inf ormation NOTE: T o receive technical support for the Hitachi in verter you purchased , contact t he Hitachi in verter dealer from whom you purchased the unit, or the sales off ice or factory contact listed above. Please be prepared to provide the follo wing in ve rter na meplate inf ormation: 1.
Getting Star ted In This Chapter .... page — Introduction ............................................................... ........................ 2 — SJ300 Inverter S pecifications ........................................................... 6 — Introduction to V ariable-Frequency Drives .
Introduction Geting Star ted 1–2 Intr oduction Main Features Congratulations on your purchase of an SJ300 Series Hitachi in verter! This in v erter driv e features state-of-the-art circuitry and componen ts to provide high performance. The housing footprint is excep- tionally small, given the size of the corresponding motor .
SJ300 Inverter Getting Star ted 1–3 Digital Operator Interface Components The SJ300 Series in v erters ha ve a deta chable keypad (called a digital operator) on the front panel of the housing. The par ticular ke ypad th at comes with the in verter depends on the country or continent corr esponding to the partic ular model number .
Introduction Geting Star ted 1–4 Remov able Components The SJ300 Series inv erters are designed for long life and ease of service. Sev eral components are remov able as shown belo w , aiding installation or parts rep lacement. Details on ho w and when to remov e these parts ar e in the referenced chapters.
SJ300 Inverter Getting Star ted 1–5 Specifications Label and Agency Appro v als The Hitachi SJ30 0 in verter s hav e product specifi- cations labels located on the fr ont and the right side of the housing, as pictured to the r ight.
SJ300 Inverter Specifications Geting Star ted 1–6 SJ300 In ver ter Specifications T ables f or 200V cl ass in ver ters Note that “ General Specif ications ” on page 1–9 covers all SJ300 in v erters, followed by footnotes for all specifications tables.
SJ300 Inverter Getting Star ted 1–7 T ab les f or 400V class in verters Note that “ General Specifications ” on page 1–9 cov ers all SJ300 in verters, follo wed by footnotes for all specifications tables.
SJ300 Inverter Specifications Geting Star ted 1–8 T ables for 400V class inv erters, continued... Footnotes for the preceding tables and the table that follo ws: Note 1: The p rotection method c onforms to JEM 1030. Note 2: The applicable motor refers to Hitachi st andard 3-phase motor (4-pole).
SJ300 Inverter Getting Star ted 1–9 General Specifications The follo wing table (continued on next page ) applies to all SJ30 0 in verter models. Item General Specif ications Protective enclosure *1, *11 IP20 (NEMA 1) Control method Line-to-line sine wa ve pulse-width modu lation (PWM) control Output frequency range *4 0.
SJ300 Inverter Specifications Geting Star ted 1–10 Signal Ratings Detailed ratin gs are in “ Specifications of Cont rol and Logic Co nnections ” on page 4–9 .
SJ300 Inverter Getting Star ted 1–11 Derating Curves The maximum av ailable in verter current output is limited by the c arr ier frequency and ambient temperature. The carrie r frequency is the in verter’ s int ernal power switching frequency , settable from 0.
SJ300 Inverter Specifications Geting Star ted 1–12 Derating curves, continued... 2 4 6 8 10 12 14 15 0.5 65% 70% 75% 80% 85% 90% 95% 100% Carrier Frequency (kHz) % of Drive’ s Rated Amps 370H 450H 300H 550H SJ300 30 to 55 kW at 50 deg. C ambient, continued SJ300 75 to 150 kW at 50 deg.
SJ300 Inverter Getting Star ted 1–13 Intr oduction to V ariable-Frequenc y Drives The Purpose of Motor Speed Control f or Industry Hitachi in verters provide accurat e spee d control for 3-phas e A C indu ction motor s. Y ou connect A C po wer to the in verter , and connect the in ve rter to the m otor .
Introduction to Variable-Frequency Drives Geting Star ted 1–14 vector is related to motor flux current, and th e other to motor torque current. The ability to separately co ntrol these two vectors is what allows the SJ300 to deliver e xtraordinary low- speed performance and speed control accuracy .
SJ300 Inverter Getting Star ted 1–15 Intelligent Functions and P arameters Much of this manual is devoted to describing how to use in verter functions and how to conf ig- ure in verter parameters. The in verter is micro- processor -cont rolled, and has many independe nt functions.
Introduction to Variable-Frequency Drives Geting Star ted 1–16 Acceleration and dece leration settings specify the time required to go from a stop to maximum frequency (or visa versa). The resulting slope (speed change d i vided by time) is the accelerati on or deceleration.
SJ300 Inverter Getting Star ted 1–17 Frequentl y Asked Questions Q. What is the ma in advantage in using an inv erter to drive a motor , compared t o alternative solutions? A. An in verter can vary the motor speed wit h very little energy loss, unlike mechanical or hydraulic speed control solutions.
Frequently Asked Questions Geting Star ted 1–18 Q. What type of motor is compatible with the Hi tachi in v erters? A. Motor type – It must be a three phase AC induc tion motor . Use an in verter-grade motor that has 800V insulation for 200V cl ass inv erters, or 1600V insulation for 400V class.
In ver ter Mounting and Installation In This Chapter .... page — Orientation to Inverter Features ........................................................ 2 — Basic System Description ...............................................................
Orientation to Inverter Features Inv er ter Mounting and Installation 2–2 Orientation to In ver ter Features Unpack ing and Inspection Please take a few moments to unpack your new SJ300 in v erter and perform these steps: 1. Look for any damage that may hav e occurred during shipping.
SJ300 Inverter Inv erter Mounting and Installation 2–3 2. Second-lev el access - First, ensure no po wer source of an y kin d is connecte d to the in verter . If power has been connected, wait fi ve minutes after powerdo wn and verify the Charge Lamp indicator is OFF to proceed.
Orientation to Inverter Features Inv er ter Mounting and Installation 2–4 3. Third-lev el access - The SJ300 provides for field installation of interface cir cuits. These ci rcuits are on expansion cards, to be installed in the expansion bay . T o access the expansion bay , you will need to remov e the upper front panel.
SJ300 Inverter Inv erter Mounting and Installation 2–5 Basic System Description A motor contr ol system will obviously include a motor and inv erter , as well as a breaker or fuses for safety . If you are connecting a motor to th e inv erter on a test bench just to get started, that’ s all you may need for now .
Step-by-Step Basic Installation Inv er ter Mounting and Installation 2–6 Step-b y-Step Basic Installation This section will guide you through the following basic step s of installation: 1. Study the warnings associated with moun ting the in verter .
SJ300 Inverter Inv erter Mounting and Installation 2–7 S tep 2: T o summarize the caution messages—you will need to find a solid, non-flammable, vertical surfa ce that is in a relati vely cl ean and dry environment.
Step-by-Step Basic Installation Inv er ter Mounting and Installation 2–8 St e p 4 : Locate the applicable dra wing on th e follo wing pages for your inv erter . Dimensions are giv en in millimeters (inches) format. Larger models come equipped with NEMA1 adapter for wire entry for U.
SJ300 Inverter Inv erter Mounting and Installation 2–9 Dimensional drawings, continued. .. 250(9.84) 2 − φ 7 (0.28) 229(9.02) 376(14.80) 390(15.35) 4 − φ 29.5(1 .16) 244(9.61) 229(9.02) 9.5(0.37) 83(3.27) 190(7.48) 2 − 7(0.28) Model SJ300 -150LFU/HFE, HFU -185LFU/HFE, HFU -220LFU/HFE, HFU Air intake Exhaust 540(21.
Step-by-Step Basic Installation Inv er ter Mounting and Installation 2–10 Dimensional draw ings, continued... 300(11.81) 520(20.47) 2 − φ 12 (0.47) 2 − 12(0.47) 550(21.65) 386(15.20) 390(15.35) 110(4.33) 90(3.54) 250(9.84) Model SJ300 -370LFU/HFE, HFU -450LFU/HFE, HFU Optional adapter for NEMA1 rating Air intake Exhaust -550HFE, HFU 80(3.
SJ300 Inverter Inv erter Mounting and Installation 2–11 Dimensional drawings, continued. .. Model SJ300 -750HFE, HFU -900HFE, HFU 700(27.56) 670(26.38) 300(11.
Step-by-Step Basic Installation Inv er ter Mounting and Installation 2–12 Dimensional drawings, continued... Model SJ300 -1100HFE, HFU -1320HFE -1500HFU 740(29.
SJ300 Inverter Inv erter Mounting and Installation 2–13 S tep 5: The wiring enters the in verter through the entry /exit plate as shown to the right. The rubber grommets have a solid, thin membrane, so that unused ones continue to seal the opening .
Step-by-Step Basic Installation Inv er ter Mounting and Installation 2–14 Determining Wire and Fus e Sizes This section includes tables for 200V class a nd 400V class in verters (on the ne xt page).
SJ300 Inverter Inv erter Mounting and Installation 2–15 Determining wire and fuse sizes, continued... Note 1: Field wiring must be made by a UL-liste d and CSA certified ring lug terminal connector sized for the wire gau ge in volv e d. The connector must be fixed by using the crimping tool specified by the connector man ufacturer .
Step-by-Step Basic Installation Inv er ter Mounting and Installation 2–16 T erminal Dimensions and T or que Specs The following tables list the sc re w size of terminal and reco mmended torque for tightening for each of the SJ300 in verter models (400V models are on the next page).
SJ300 Inverter Inv erter Mounting and Installation 2–17 T erminal dimensions and to rque specs, contin ued... Note 1: The recommended ring lug connector listing consists of wire size – scre w size format. The wire sizes are in A WG or mm 2 format.
Step-by-Step Basic Installation Inv er ter Mounting and Installation 2–18 St e p 6 : In this step, you will conn ect wiring to the input of the in verter . All models have the same power connector terminals [R(L1)], [S(L2)], and [T(L3)] for three-phase input.
SJ300 Inverter Inv erter Mounting and Installation 2–19 NOTE: An in verter po wered by a portable or emerge ncy diesel po wer genera tor may result in a distorted power wa v eform, overheating the generato r . In general, the generator capacity should be at least f i ve time s that of the in v erter (kV A).
Step-by-Step Basic Installation Inv er ter Mounting and Installation 2–20 S tep 7: The process of motor selection is beyond the sc ope of this manual. Howe v er , it must be a three-phase AC induction motor . It should also come with a chassis ground lug.
SJ300 Inverter Inv erter Mounting and Installation 2–21 P o werup T est S tep 9: After wiring the in verter and motor , you’ re ready to d o a powerup test.
Powerup Test Inv er ter Mounting and Installation 2–22 CAUTION: If you operate a motor at a frequency higher than the inv erter standard default setting (50Hz/60Hz), be sure to check the motor and machine s pecif ications with the respecti ve manufacturer .
SJ300 Inverter Inv erter Mounting and Installation 2–23 Using the Fr ont P anel Ke ypad Front P anel Introduction Please take a moment to familiarize yourself wi th the keypad layout shown in the figure belo w . The display is used in programming the inv erter’ s p arameters, as well as monitoring specific parameter values during operation.
Using the Front Panel Keypad Inv er ter Mounting and Installation 2–24 • Function Key – This ke y is used to navigate through the lists of parameters and functions for setting and monitoring parameter values.
SJ300 Inverter Inv erter Mounting and Installation 2–25 Keyp a d Navigational Map The SJ300 Series in verter dri ves ha v e many pr ogrammable functions an d parameters. Chapter 3 will cov er these in detail , but you need to access just a few items to perform the po werup test.
Using the Front Panel Keypad Inv er ter Mounting and Installation 2–26 Selecting Functions and Editing P arame- ters In order to run the motor for the powerup test, this section will show ho w to: .
SJ300 Inverter Inv erter Mounting and Installation 2–27 Select the Potentiometer f or Speed Command - The motor speed ma y be controlled from the following sources: • Potentiometer on front pa nel.
Using the Front Panel Keypad Inv er ter Mounting and Installation 2–28 Confi gure the In verter for the Number of Motor Poles - The number of magnetic p oles of a motor is determined by the motor’ s internal wi nding arrangement. The sp ecificatio ns label on the motor usually indica tes its nu mber of poles.
SJ300 Inverter Inv erter Mounting and Installation 2–29 Monitoring P arameters with the Display After using the ke ypad for parameter editing, it’ s a go od idea to switch the in verter from Program Mode to Monitor Mode. This will turn out the PRG LED, and the Hertz, V olt, Ampere, or % LED indicates the display uni ts.
Using the Front Panel Keypad Inv er ter Mounting and Installation 2–30 St e p 1 0 : Reading this section w ill help you make so me useful obser v ations when first running the motor .
Configuring Drive P arameter s In This Chapter .... page — Choosing a Programming Device ..................................................... 2 — Using Keypad Devices ...................................................................... 3 — “D” Group: Monitoring Functions .
Choosing a Programming Device Configuring Dr ive P arameters 3–2 Choosing a Pr ogramming De vice Intr oduction Hitachi variable frequenc y driv es (in verters) use the latest el ectronics technology for getting the right A C wav eform to the motor at the rig ht time.
SJ300 Inverter Configuring Drive P ar ameters 3–3 Using K e ypad De vices In verter Front Pa n e l Ke y p a d The SJ300 Series in verter front ke ypad contains all the elements for both monitoring and programming parameters. The keypad layout (O PE–SRE) is shown belo w .
Using Keypad Devices Configuring Dr ive P arameters 3–4 Keyp ad Navigational Map Whether you use the keypad on the in verter or the read-write copy unit, ea ch navigates the same way . The diagram below sho ws the basic na vi gational map of para meters and functions.
SJ300 Inverter Configuring Drive P ar ameters 3–5 Operational Modes The R UN and PGM LEDs tell ju st part of the story; Run Mode and Program Modes are independent modes, not opposite modes. In the state diagram to the right, Run alternates with Stop, and Program Mode alternates with Monitor Mode.
“D” Group: Monitoring Functions Configuring Dr ive P arameters 3–6 “D” Gr oup: Monitoring Functions P arameter Monitoring Functions Y ou can access important system parameter v alu es with the “D” Group monitoring functions, whether the in verter is in Run Mode or Stop Mode.
SJ300 Inverter Configuring Drive P ar ameters 3–7 T rip Event and Programming Error Monito ring The trip ev ent and history monitoring feature le ts you cycle through related information using the keypad. See “ Monitoring Trip Ev ents, History , & Cond itions ” on page 6–5 for more details.
“F” Group: Main Profile Parameters Configuring Dr ive P arameters 3–8 “F” Gr oup: Main Pr ofile P arameter s The basic frequency (speed) profile is defined by parameters contained in the “F” Group as shown to the rig ht.
SJ300 Inverter Configuring Drive P ar ameters 3–9 “A” Gr oup: Standar d Functions Basic P arameter Settings These settings affect the most fundamental beha vi or of the in verter —the outpu ts to the moto r . The frequency of the in v erter’ s A C o utput de termines the motor speed.
“A” Group: Standard Functions Configuring Dr ive P arameters 3–10 NOTE: The base frequency must be le ss than or equal to the maximum frequency (ensure that A003 ≤ A004). A203 B ase frequency setting, 2nd motor Settable from 30 Hz to the maximum frequency ✘ ✘ 50.
SJ300 Inverter Configuring Drive P ar ameters 3–11 Analog Input Settings The in verter has the capability to accept external analog i nputs that can command the output frequency to the motor .
“A” Group: Standard Functions Configuring Dr ive P arameters 3–12 “A” Function Run Mode Edit Lo Hi Defaults Units SRW Display Func. Code Name Description –FE (CE) –FU (UL) –FR (Jpn) A0.
SJ300 Inverter Configuring Drive P ar ameters 3–13 Multi-speed and Jog Frequency Settings The SJ300 in verter has the capability to store and output up to 16 p reset frequencies to the motor (A020 to A035 ). As in traditional motion terminology , we call this multi-speed pr ofile capability .
“A” Group: Standard Functions Configuring Dr ive P arameters 3–14 T or que Contr ol Algorithms The in verter generates the motor output according to the V/f algorithm or the sensorless vector control algorithm.
SJ300 Inverter Configuring Drive P ar ameters 3–15 c. After reaching th e base frequency , th e characterist ic maintain s a constant output voltage for higher frequen cies.
“A” Group: Standard Functions Configuring Dr ive P arameters 3–16 The V/f free-setti ng endpoint f7/V7 parameters must stay within the m ore basic in verter limits in order for the specifi ed free-setting characteristic curve to be achieved.
SJ300 Inverter Configuring Drive P ar ameters 3–17 A042 Manu al torque boost val u e Can boost starting torque between 0 and 20% above normal V/f curve, from 0 to 1/2 base frequency ✔ ✔ 1.
“A” Group: Standard Functions Configuring Dr ive P arameters 3–18 DC Braking Settings The DC brakin g feature can provid e additional stopping torque when comp ared to a normal deceleration to a stop. It can also e nsure the motor and load are stopped b efore acceleration.
SJ300 Inverter Configuring Drive P ar ameters 3–19 Derating of DC Braking – The inv erter uses an internal carrier frequency (set by A059) to generate a DC braking voltage (do not confuse wi th ma in in verter output carrier f requency set by B083).
“A” Group: Standard Functions Configuring Dr ive P arameters 3–20 Frequency- related Functions Freque ncy Limi ts – Upper an d lo wer limits can be imposed on the in verter output frequency . These limits will apply regardless of the source of the speed reference.
SJ300 Inverter Configuring Drive P ar ameters 3–21 Acceleration P ause Function The acceleration pause function can be used to mi nimize the occur rence of ov er-current trips when ac celerating high inertia loads. It introduces a dwell or pause in the acceleration ramp.
“A” Group: Standard Functions Configuring Dr ive P arameters 3–22 PID Contr ol When enabled, the built-in PID loop calculates an ideal inv erter output v alue to cause a loop feedback process variable (PV) to mov e closer in value to the setpoin t (SP).
SJ300 Inverter Configuring Drive P ar ameters 3–23 A utomatic Vo l t a g e Regulation (A VR) Function The automatic voltage regulatio n (AVR) feature keeps the inve rter ou tput voltage at a relatively constant ampl itude during power in put fluctuations.
“A” Group: Standard Functions Configuring Dr ive P arameters 3–24 Optimal Accel/Decel Operation, continued... The acceleration time is controlled to mai n tain output current below the lev el set by the Overload Restriction Function if enabled (Parameters B021/B 024, B022/B025, and B02 3/ B026).
SJ300 Inverter Configuring Drive P ar ameters 3–25 NOTE: For A095 and A096 (and for 2nd motor settings ), if you set a very rapid Acc1 or Dec1 time (less than 1.0 second), the in v erter may not be able to change rates to Acc2 or Dec2 before reaching the target frequency .
“A” Group: Standard Functions Configuring Dr ive P arameters 3–26 Accel/Decel Characteristics Standard (def ault) acceleration and decele ration is linear with tim e. The in verte r CPU can also calculate other curves shown in the graphs belo w .
SJ300 Inverter Configuring Drive P ar ameters 3–27 The acceleration a nd dece leration curv es can de viate from a st raight line to a varying degree. Parameters A131 and A132 contro l the amount of deviation for the acceleratio n and decelera- tion curves respectiv ely .
“A” Group: Standard Functions Configuring Dr ive P arameters 3–28 Additional Analog Input Settings The param eters in the fo llowing table adjust th e input characteri stics of the analog inputs.
SJ300 Inverter Configuring Drive P ar ameters 3–29 “B” Gr oup: Fine-T uning Functions The “B” Group of functions and parameters adjust some of the more subtle but useful aspects of motor control and system configuration.
“B” Group: Fine-Tuning Functions Configuring Dr ive P arameters 3–30 CAUTION: When a loss of phase occurs, increased ri pple current will markedly reduce main capacitor life over time. Diode bridge failure can also re sult. If phase loss occurs under load, the in verter could be damaged.
SJ300 Inverter Configuring Drive P ar ameters 3–31 The torque dev eloped in a motor is directly propo rtional to the current in the windings, wh ich is also proportional to the heat generated (and te mperature, over time). Th erefore, you must set the thermal ov erload threshold in terms of current (amperes) with parameter B012.
“B” Group: Fine-Tuning Functions Configuring Dr ive P arameters 3–32 Constant T or que Characteristic – Selecting the consta nt torque characteristic for t he example motor giv es the curves belo w . A t 2.5 Hz, the ou tput current is reduced by a factor of 0.
SJ300 Inverter Configuring Drive P ar ameters 3–33 Any intelligent ou tput termina l may be program med to indicat e a thermal warni ng [THM]. Parameter C061 determines the wa rning threshold. Please see “ Ther mal W arning Signal ” on page 4–55 for more details.
“B” Group: Fine-Tuning Functions Configuring Dr ive P arameters 3–34 Overload Restriction If the in verter’ s out put current exceeds a preset current lev el you specify during acceleration or constant speed, the ov erload restriction feature automati- cally reduce s the ou tput frequency to restrict the overload.
SJ300 Inverter Configuring Drive P ar ameters 3–35 NOTE: T wo sets of ov erload restricti on parameters are av ai lable. The set that is in use may be selected by means of an inte lligent input terminal (see “ Overload Rest riction ” on page 4–35 ).
“B” Group: Fine-Tuning Functions Configuring Dr ive P arameters 3–36 Software Loc k Mode The software lock functio n keeps personnel fro m acci dentally changing parame ters in the in verter memory . Use B031 to select from various protection lev els.
SJ300 Inverter Configuring Drive P ar ameters 3–37 Miscellaneous Settings The miscellaneous settin gs include scaling fact ors, in itializati on mode s, and others.
“B” Group: Fine-Tuning Functions Configuring Dr ive P arameters 3–38 Function Code Data Resulting Non-displayed Functions (when B37 = 01) Notes A044, A244 02 B 100 – B113 Contro l methods A051.
SJ300 Inverter Configuring Drive P ar ameters 3–39 Function Code Data Resulting Non-displayed Functions (when B37 = 01) Notes C021 – C025, C026 02, 06 C042, C043 Frequency arriv al signal 03 C040,.
“B” Group: Fine-Tuning Functions Configuring Dr ive P arameters 3–40 Controlled Deceleration at Po wer Loss – When enabled, this featur e permits the i n verter to control final motor deceleration upon loss of in verter input po wer . First, yo u must make a wiring change to the inv erter .
SJ300 Inverter Configuring Drive P ar ameters 3–41 Miscellaneous functions, continued... B083: Carrier frequency adjustment – The internal switch ing frequency of the inverter circuitry (a lso called th e chopper frequency ). It is ca lled the ca rr ier frequency because the lower AC output frequency of the inverter “rid es” the carrier.
“B” Group: Fine-Tuning Functions Configuring Dr ive P arameters 3–42 B085 Country code for initial- ization Select default parameter values for country on initial- ization, four option codes: 00.
SJ300 Inverter Configuring Drive P ar ameters 3–43 B091/B088: Stop Mode / Rest art Mode Configuration – Y ou can configure ho w the in verter performs a standard stop (each time Run FWD an d REV signals turn OFF).
“B” Group: Fine-Tuning Functions Configuring Dr ive P arameters 3–44 B090: Dynamic braking usage ratio – T his paramete r limits the am ou nt of time the in verter can use the dynamic braking accessory de vice wi thout entering the Trip Mode.
SJ300 Inverter Configuring Drive P ar ameters 3–45 Free-setting V/f P attern The free-setting V/f in verter m ode of operation uses voltage and frequency para meter pairs to define se ven points on a V/f graph. This provides a way to define a multi-se gment V/f curve that best suits your application.
“B” Group: Fine-Tuning Functions Configuring Dr ive P arameters 3–46 External Brake Control The brake control function in the inv erter contro ls external braking used in systems such as elev ators.
SJ300 Inverter Configuring Drive P ar ameters 3–47 “C” Gr oup: Intelligent T erminal Functions The eight input terminal s [ 1] , [ 2] , [ 3] , [ 4] , [ 5] , [ 6] , [ 7], an d [ 8] can be configured for an y of 44 different functions. The next two tables sho w ho w to configure the e ight terminals.
“C” Group: Intelligent Terminal Functions Configuring Dr ive P arameters 3–48 The input logic con vention is programmable for ea ch of the six inputs. Most inputs default to normally open (activ e high), but yo u can select normally closed (active lo w) in or der to inv ert the sense of the logic.
SJ300 Inverter Configuring Drive P ar ameters 3–49 Intelligent Input T erminal Overview Each of the eight intell igent terminals may be assigned any of the opti ons in the following table. When you program one of th e option code s fo r terminal assignments C001 to C008, the respecti ve te rminal assumes the function role of that option code.
“C” Group: Intelligent Terminal Functions Configuring Dr ive P arameters 3–50 13 USP Unatten ded Start Protection ON On po werup, the in verter will not resume a Run command (mos tly used in th .
SJ300 Inverter Configuring Drive P ar ameters 3–51 24 PIDC PID Reset ON Resets the PID lo op controller . The main conse- quence is that the integrator sum is forced to zero.
“C” Group: Intelligent Terminal Functions Configuring Dr ive P arameters 3–52 39 OLR Overload restriction ON Selects current overload parameter set 2 (B024, B025, B026 ) OFF Selects current ov erload parameter set 1 (B021, B022, B023 ) 40 TL T orque limit enab le ON Enables torqu e limit feature OFF Disables all torque limit sources.
SJ300 Inverter Configuring Drive P ar ameters 3–53 Output T erminal Configuration The in verter pro vides configuration for logic (d iscrete) and analog outputs, shown in the table belo w .
“C” Group: Intelligent Terminal Functions Configuring Dr ive P arameters 3–54 Output Summary T able - This table shows all twenty-tw o functions for the logic output terminals [11] – [15] at a g lan ce.
SJ300 Inverter Configuring Drive P ar ameters 3–55 06 F A3 Frequency arri va l type 3 – at frequen cy ON when output to motor is at th e F A threshold 1 (C04 2) during accel, or at C043 during dec.
“C” Group: Intelligent Terminal Functions Configuring Dr ive P arameters 3–56 Analog Summary T able - The following table shows all ei ght functions av ailable for assign- ment to the three analog output terminals [FM], [AM], [AMI] at a glan ce.
SJ300 Inverter Configuring Drive P ar ameters 3–57 Output Function Adjustment P arameters The follo wing parameters work in conjunct ion with the in telligent o utput function, when configured. The overload le vel parameter (C041) sets the motor curren t le vel at which the ov erload signal [OL] turns O N.
“C” Group: Intelligent Terminal Functions Configuring Dr ive P arameters 3–58 C044 PID de viation lev el setting Sets the PID loop error threshold |SP - PV| (absolute value) to trigger intelligen t output [OD]. Range is 0.0 to 100%, resolution is 0.
SJ300 Inverter Configuring Drive P ar ameters 3–59 Serial Communications The following table conf igures th e communicatio ns port of the SJ300 in verter . Y ou can have up to thirty-two d e vices on th e serial commun ications network. T he in verters are slaves and the computer or digital operator is the master .
“C” Group: Intelligent Terminal Functions Configuring Dr ive P arameters 3–60 Analog Signal Calibration Settings The function s in the following table c onfigure the signals for the analog outp ut terminals.
SJ300 Inverter Configuring Drive P ar ameters 3–61 Miscellaneous Functions The follo wing table contains miscellaneous functions not in o ther function groups.
“H” Group: Motor Constants Functions Configuring Dr ive P arameters 3–62 “H” Gr oup: Motor Constants Functions Intr oduction The “H” Group parame ters configure the in verter for the motor characteristics. You must manually set H003 and H00 4 values to match the motor.
SJ300 Inverter Configuring Drive P ar ameters 3–63 “H” Function Run Mode Edit Lo Hi Defaults Units SR W Display Func. Code Name Description –FE (CE) –FU (UL) –FR (Jpn) H203 M otor capacity , 2nd setting Select 0.2 to 75.0kW for models up to –55 0xxx, 0.
“H” Group: Motor Constants Functions Configuring Dr ive P arameters 3–64 H224 Motor constant J, 2nd motor Ratio (unit-less), range is 1.0 to 1000 ✘ ✘ According to in verter rating — >H224 2AUX J 0 00.055 H030 Auto-tuned motor constant R1, 1st motor Auto-tuning data ✘ ✘ According to in verter rating Ohm >H030 AUX A-R1 00.
SJ300 Inverter Configuring Drive P ar ameters 3–65 “P” Gr oup: Expansion Car d Functions The two (optional) expansion cards for the SJ 300 have associated configuration data. The following table def ines the functions and their va lue rang es. Please r efer to the e xpans ion card manual for more details.
“P” Group: Expansion Card Functions Configuring Dr ive P arameters 3–66 NOTE: Parameters P044 to P049 are a v ailable only in inv erters with manufacturing code x8K xxxxxx xxx xx or later . The manuf acturing code is printed on the product specifications labels, located on the front an d side of the inv erter housing.
SJ300 Inverter Configuring Drive P ar ameters 3–67 “U” Gr oup: User -selectab le Menu Functions The user-selectable menu functions allo w you to configure (s elect) any twelve of the other functions in the in verter and place them together in a conv enient list.
Programming Error Codes Configuring Dr ive P arameters 3–68 Pr ogramming Err or Codes The SJ300 inv erter operator keypad displays a sp ecial cod e (begins with the character) to indicate a programming error . Pr ogramming errors exist when one parameter conflict s with the meaningful range permitte d by related parameter( s).
SJ300 Inverter Configuring Drive P ar ameters 3–69 NOTE: Set frequency (speed) values are not permitte d to be inside the jump frequency ranges, if defined.
Operations and Monitoring In This Chapter .... page — Introduction ............................................................... ........................ 2 — Optional Controlled Decel and Alarm at Power Loss ........................ 4 — Connecting to PLCs and Other Devices .
Introduction Operations and Monitoring 4–2 Intr oduction The previous material in Chapter 3 gav e a refe rence listing of all the programmable functions of the in verter . W e suggest that yo u first scan through the listing of inv erter functions to gain a general famili arity .
SJ300 Inverter Operations and Monitoring 4–3 W arnings f or Operating Procedures Before continuing, please read the following W arning messages. W ARNING: Be sure to turn ON the i nput power supply only after c losing the fron t case. While the in verter is ener gized, be sure not to open the front case.
Optional Controlled Decel and Alarm at Power Loss Operations and Monitoring 4–4 Optional Contr olled Decel and Alarm at P o wer Loss W ith the default SJ300 in v erter configuration, a sudden power loss will cause the in verter to shut down immediately .
SJ300 Inverter Operations and Monitoring 4–5 Follo w the steps to implement the wiring change shown in the pre vious diagram. 1. Remove the 2-wire jumper J51 (terminals [R0] and [T0] to connector J51 ). 2. Procure several inches of multi-strand 20 A WG (0.
Optional Controlled Decel and Alarm at Power Loss Operations and Monitoring 4–6 The timing diagram below shows a power loss scenario and the related parameter settings. During the cont rolled decelerati on the in verter itself acts as a load to decele rate the motor .
SJ300 Inverter Operations and Monitoring 4–7 Connecting to PLCs and Other De vices Hitachi in verters (dri ves) are useful in many types of applications. During installation, the in verter k eypad (or other programming device) will f acilitate the initial conf iguration.
Connecting to PLCs and Other Devices Operations and Monitoring 4–8 Example Wiring Diagram The schematic diagram below provides a gene ral e xample of logic connector wiring, in addition to basic power and motor wiring covered in Chapter 2.
SJ300 Inverter Operations and Monitoring 4–9 Specifications of Control an d Logic Connections The control logic connector board is removable for wiring con v enience, as shown belo w (first, remove two retaining screws). The small connecto r to the left is for serial communications.
Connecting to PLCs and Other Devices Operations and Monitoring 4–10 T erminal Listing Use the following table to lo cate pages for i ntelligent input and outpu t material in this chapte r .
SJ300 Inverter Operations and Monitoring 4–11 Using Intelligent Input T erminals Intelligent terminals [1], [2 ], [3], [4], [5], [6 ], [7], and [8] are identi cal, programmable inputs for general use. The input circuits can use the in v erter’ s internal (isolated) +24V field supply (P24) to power the inputs.
Using Intelligent Input Terminals Operations and Monitoring 4–12 Wiring Diagram Con ventions The input wiri ng diagrams in this chapter a r e examples only . Default and non-default input terminal assignments are noted th roughout; yo ur particular assignments may be different.
SJ300 Inverter Operations and Monitoring 4–13 Multi-Speed Select The inverter can store up to 16 different fixed target frequencies ( speeds) in parameters A020 to A035. Binary inputs select the speed th rough fo ur of the intelligent terminals configured as binary-encoded inp uts CF1 to CF4 per the table.
Using Intelligent Input Terminals Operations and Monitoring 4–14 While using the multi-speed capability, you ca n monitor the ou tput fre quency with mo nitor function D001 during each segment of a multi-speed operation. There are two ways to program the speeds into the registers A020 to A035: 1.
SJ300 Inverter Operations and Monitoring 4–15 The Bit Operation method of speed control uses up to seven intelligent inputs to select from up to eight speeds. S ince the all-switch es-OFF comb ination selects the first speed, you only need N-1 switches to select N speeds.
Using Intelligent Input Terminals Operations and Monitoring 4–16 Joggin g Command The Jog input [JG] is u sed to command the motor to ro tate slowly in small incr ements for manual operation. The speed is limited to 10 Hz. The frequency for th e jogging operation is set by parameter A0 38.
SJ300 Inverter Operations and Monitoring 4–17 External Signal fo r DC Inje ction Braking When the terminal [DB] is turned ON, the DC braking [DB] feature is enabled. Set the following parameters when the external DC braking te rminal is to be used: • A053 – DC braking delay time setting.
Using Intelligent Input Terminals Operations and Monitoring 4–18 Set Second or Third Motor s If you assign the [SET] or [SET3 ] functions to an intelligen t input terminal, you can select between two or three sets of motor pa rameters. You may assign one or both of these functions.
SJ300 Inverter Operations and Monitoring 4–19 Tw o - s t a g e Acceleration and Deceleration When terminal [2CH] is turned ON, the inverter cha nges the rate of ac celeration and deceleration from the initia l settings (F002 and F003) to use the se cond set of acce lera- tion/decel eration value s.
Using Intelligent Input Terminals Operations and Monitoring 4–20 Free-run Stop When the terminal [FRS] is turned ON, the inv e rter turns OFF the output and the motor enters the free-run state (coastin g). If terminal [FRS] is turned OFF , the output resumes sending po wer to the motor if the Run com mand is still ac tiv e.
SJ300 Inverter Operations and Monitoring 4–21 External T rip When the terminal [EXT] is t urned ON, the inv erter enters the t rip state, indicate s error code E12, and stops the output. This is a general pur pose interrup t type feature, and the meaning of the error depends on what you connect to the [EXT] termin al.
Using Intelligent Input Terminals Operations and Monitoring 4–22 Unattended Start Pr otection If the Run command is already present when powe r is turned ON, the inv erter starts running immediately after po werup.
SJ300 Inverter Operations and Monitoring 4–23 Commer cial P o wer Source Switching The commerc ial power source switching funct ion is useful in systems with excessiv e starting torque requiremen ts. This featur e permits the motor to be started “across the line, ” sometimes called a bypass configuration.
Using Intelligent Input Terminals Operations and Monitoring 4–24 In the previous timing diagram, when the mo tor has been started across the line, Mg2 is switched OFF and Mg3 is switched ON. W ith the Forward command to the in verter already ON, the [CS] terminal is switche d ON and relay M g1 contacts close.
SJ300 Inverter Operations and Monitoring 4–25 Software Lock When the terminal [SFT] is t urned ON, the data of all the parameters and functions (ex cept the output frequency, depending o n the setting of B0 31) is locked (prohibited from editing). When the data is locked, the keypad keys cannot edit inverter parameters.
Using Intelligent Input Terminals Operations and Monitoring 4–26 Analog Input Current/V oltage Select The [AT] te rminal operates in c onjunction with parame ter sett ing A005 to dete rmine the analo g input terminals that are enabled for current or v oltage input.
SJ300 Inverter Operations and Monitoring 4–27 Reset In ver ter The [RS] terminal causes the inverter to execute the reset oper ation. If the inverter is in Trip Mode, the reset cancels the Trip state. When the signal [RS] is t urned ON and OFF, the inv erter execute s the reset operation.
Using Intelligent Input Terminals Operations and Monitoring 4–28 Thermistor Thermal Pr otection Motors that are equipped with a thermistor can be protected fr om overheating. Input terminal [TH] is dedicated to sense a thermistor resistan ce. The input can be set up (via B 098 and B099) to accept a wide variet y of NTC or PTC type thermistors.
SJ300 Inverter Operations and Monitoring 4–29 Three-wire Interface Operation The 3-wire interface is an industry standard motor control in terface. This function uses two inputs for momentary contact start/ stop control, and a third for selecting forward or rev erse direction.
Using Intelligent Input Terminals Operations and Monitoring 4–30 PID ON/OFF and PID Clear The PID loop function is useful for contr olling motor sp eed to achiev e constant flow , pressure, temperature, etc. in man y process applicat ions . The PID Disable function temporarily suspends PID loop execution via an intelligent input te rminal.
SJ300 Inverter Operations and Monitoring 4–31 Internal Speed Loop Gain Settings When sensorless vector control, 0Hz sensorless vect or control, or vector control with sensor is selected for the control method, the Control Gain Switching function selects between two sets of gains in th e internal spe ed loop.
Using Intelligent Input Terminals Operations and Monitoring 4–32 The speed control mode is normally propo rtional- integral compensat ion (PI), which atte mpts to keep the de viation between th e actual speed and speed command equal to zero. Y ou can also select proportional (P) contr ol function, which can be used for dr oop control (i.
SJ300 Inverter Operations and Monitoring 4–33 Remote Control Up and Down Functions The [UP] [DWN] terminal functions can adjust the output frequency for remote control while the motor is running. The accelerati on time and decele ration time used with this function is the same as for normal operation ACC1 and DEC1 (2A CC1,2DEC1).
Using Intelligent Input Terminals Operations and Monitoring 4–34 For ce Operation fr om Digital Operator This function permits a digital operator interfac e to override the Run co mmand source setting (A002) when it is c onfigured for a source othe r than the opera tor interface.
SJ300 Inverter Operations and Monitoring 4–35 Overload Restriction The in verter constantly moni tors the motor current during acceleration, dece leration, and constant spee d. If the inv erter reaches the ove rload restriction le vel, it adjusts the output frequency automa tically to limit the a mount of ov erload.
Using Intelligent Input Terminals Operations and Monitoring 4–36 The figure belo w sho ws the operation during an ov erload restriction event. The o verload restriction lev el is set by B022 an d B025. The overl oad restriction constant is the time to de cel- erate to 0H z from maximum frequency .
SJ300 Inverter Operations and Monitoring 4–37 To r q u e L i m i t The T orque Limit func tion limits the motor output torque for sensorless vector control, sensor- less vec tor control 0Hz domain, or vector control with feedback. In the torque limit function, the follo wing ope rational modes are a v ailable (selected by B040): 1.
Using Intelligent Input Terminals Operations and Monitoring 4–38 The 4-quadrant operation mode for torque limiting (B040=00) is illustrated in the figure to the right. The instantaneou s torque depends on in verter acti vity (accelerat io n, constant speed, or deceleration), as well as the load.
SJ300 Inverter Operations and Monitoring 4–39 External Brake Control Function The External Brake Control functi on enables the in v erter to cont rol external el ectromechanical brake systems with a parti cular safety characte ristic.
Using Intelligent Input Terminals Operations and Monitoring 4–40 The diagram below sho ws the e vent sequence de scribed in the steps on the previous page. The following table pertains to the brake conf irmation input. B123 Brake wait ti me for stopping 0.
SJ300 Inverter Operations and Monitoring 4–41 Expansion Card Input Signals Other inputs listed below require the expansi on card SJ-FB Encoder Fe edback. Please see the SJ-FB manual for more information. The diagram below sho ws how the Input/Output connections for the SJ–FB feedback board.
Using Intelligent Output Terminals Operations and Monitoring 4–42 Using Intelligent Output T erminals The intelligent output terminals are programmab l e in a similar way to the intelligent in put terminals. The in verter has sev eral output functi on s that you can assign individually to fi ve physical logic outputs.
SJ300 Inverter Operations and Monitoring 4–43 Run Signal When the [R UN] signa l is selected as an intelligent output terminal, the in verter outputs a signal on that terminal when it is in Run Mode. The output logic is active lo w , and is the open collector type (switch to common).
Using Intelligent Output Terminals Operations and Monitoring 4–44 Frequency Arriv al Signals The F requency Arrival group of outputs help coordinate external systems with the current velocity prof ile of the in verter . As the name implies, outp ut [F A1] turns ON when the output fr eque ncy arrives at the standard set frequency (parameter F001).
SJ300 Inverter Operations and Monitoring 4–45 Frequency arriv al output [F A1] uses the standard output frequency (parameter F001) as the threshold for switching. In the figure to the right, the in v erter accelerat es to the set output frequency , wh ich serves as the threshold for [F A1].
Using Intelligent Output Terminals Operations and Monitoring 4–46 Overload Adv ance Notice Signal When the output current exceeds a preset value, the [OL] or [OL2] terminal signal turns ON. The par ame- ter C041 (or C111, respectively) sets the o verloa d threshol d.
SJ300 Inverter Operations and Monitoring 4–47 Output Deviation fo r PID Control The PID loop error is defined as the magnitude (absolute value) of the differ- ence between the Setpoint (target v alue) and the Process V ariable (actua l val ue). When the error magnitude exce eds the preset value for C044, the [OD] terminal signal turns ON.
Using Intelligent Output Terminals Operations and Monitoring 4–48 Alarm Signal The in v erter alarm signal i s acti ve when a fault has occurred and it is in the Trip Mode (refer to the diagram at r ight). When the fault is clea red the alarm signal becomes in activ e.
SJ300 Inverter Operations and Monitoring 4–49 The alarm output terminals operat e as shown bel o w (left) by default. The contact logic can be in verted as sho wn (belo w right) by using th e par ameter setting C036. The relay contacts normally open (N.
Using Intelligent Output Terminals Operations and Monitoring 4–50 Over-tor que Signal The Over -torque function [O TQ] turns ON when th e estimated v alue of output torque of motor increases more than the arbi trary level set for the output.
SJ300 Inverter Operations and Monitoring 4–51 Instantaneous P o wer Failure / Under -v oltage Signal An instantaneous power failure (complete loss) or under-v oltag e condition (partial loss) of in verter input v oltage can occur without warning. SJ300 Series inv erters can be configured to respond to these conditions in different ways.
Using Intelligent Output Terminals Operations and Monitoring 4–52 In the following e xamples, t 0 = instantaneous powe r failure time, t 1 = allow able under-voltage / power f ailure time (B002), and t 2 = retry wait time (B003).
SJ300 Inverter Operations and Monitoring 4–53 Examples 3 and 4 relate to c onfiguring the inv erter to retry upon power failure. Frequency matching is possible if the in verter frequency is greater than the B007 value.
Using Intelligent Output Terminals Operations and Monitoring 4–54 T or que Limit Signal The T orque Limit output [TRQ] works in conjunc tion with the torque limit function cov ered in the intelligent input section. T he torque limit f unction limits the motor torque according to the criteria selec ted by parameter B040.
SJ300 Inverter Operations and Monitoring 4–55 Thermal W arning Signal The purpose of the electronic thermal set tin g is to protect the motor from ov erloading, ov erheating and being damaged.
Using Intelligent Output Terminals Operations and Monitoring 4–56 The table below sho ws the settings and their meanings. Use the one that matches your lo ad. Reduced T or que Characteristic – The exampl e below sho ws the effect of the reduced torque characterist ic curve (for example moto r and curre nt rating).
SJ300 Inverter Operations and Monitoring 4–57 The left graph below sho ws the region for possi ble free-setting curves. Th e right graph be low shows an e xample curve def ined by three data points specified by B015 – B020 . Suppose the elec tronic thermal sett ing (B012) is set to 44 Amperes.
Using Intelligent Output Terminals Operations and Monitoring 4–58 Brake Contr ol Signals The Brake Control func tion enables the in verter to control external b raking systems with a particular safety characteristi c . A complete discussion of the op eration of brake control is in “ External B rake Control Funct ion ” on page 4–39 .
SJ300 Inverter Operations and Monitoring 4–59 Analog Input Operation Input T erminal Signals The SJ300 inv erters provide for an external anal og input to command the in verter frequency output value.
Analog Input Operation Operations and Monitoring 4–60 The following tables show the av ailable an al og input settings. Parameters A006, A005, and input terminal [A T] determin e the Ex ternal Frequency Com mand input term inals that are av ail- able and how they function.
SJ300 Inverter Operations and Monitoring 4–61 The examples belo w show ho w the use of the [A T] input during operation enables/disables the T rim Frequency Command input [O2]—[L]. The [O2] —[L] inpu t may be used alone, or as an offset control for the primary analog input.
Analog Output Operation Operations and Monitoring 4–62 Analog Output Operation In the system design for inv erter applications it is sometimes useful to monitor in v erter opera- tion from a re mote location. In some cases, this requires only a pane l-mounted analog meter (moving-coil type).
SJ300 Inverter Operations and Monitoring 4–63 T o calibrate the meter reading, generate a full-s cale output (always ON) at terminal [FM]. T hen use parameter B081(gain setting from 0 to 255) to ad just the corresponding full-scale read ing of the mete r .
Analog Output Operation Operations and Monitoring 4–64 [AM] and [AMI] T erminals The [AM] and [AMI] terminals provide signals to monitor various in v ert er parameters such as output frequen cy , output current, and torque.
SJ300 Inverter Operations and Monitoring 4–65 Setting Motor Constants f or V ector Control Introduction These adv anced torque control algorithms impr ove performance, particularly at low speeds: • Sensorless V e ctor Control – impro ved torque control at outp ut frequencies down to 0.
Setting Motor Constants for Vector Control Operations and Monitoring 4–66 The in v erter has three separate motor constant sets named 1st , 2nd , and 3r d . The 1st motor constant set is the default, while the SET and SET2 intellig ent inputs se lect the 2nd and 3rd constant sets, respectiv ely .
SJ300 Inverter Operations and Monitoring 4–67 A uto-tuning of Motor Constants The SJ300 in verter features auto-tuning, which detects and records the motor characteristic parameters to use in all ve ctor control modes. Auto-tuning determines the resistance and induc- tance of mo tor windings.
Setting Motor Constants for Vector Control Operations and Monitoring 4–68 Preparation f or A uto-tun ing Procedur e – Be sure to study the prep aration items and verify the related inv erter configuration befo re going further in this procedure. 1.
SJ300 Inverter Operations and Monitoring 4–69 If the auto-tuning procedure is successful, the in verter updates the motor characteristic parameters and indicate s normal termi- nation of the procedure as sho wn. Pressing any ke y on the keypa d will clear the result from the display .
Setting Motor Constants for Vector Control Operations and Monitoring 4–70 Manual Setting of Motor Constants W it h ve cto r c on tr ol , th e i nverte r u se s th e o ut pu t current, outp ut voltage, and motor constants to estimate the motor torque and speed.
SJ300 Inverter Operations and Monitoring 4–71 PID Loop Operation In standard operation, the inv erter uses a refe rence source selected by parameter A001 for the output frequency , which may be a fix ed value (F 001), a v ariable set by the front panel potenti- ometer , or value from an analog input (v oltage or current).
Configuring the Inverter for Multiple Motors Operations and Monitoring 4–72 Configuring the In ver ter f or Multiple Motors Sim ultaneous Connections For some applications, you may need t o connect two or more motor s (wired in parall el) to a single in verter’ s output.
SJ300 Inverter Operations and Monitoring 4–73 Parameters for the second motor and third motor s hav e function codes of the form x2xx and x3xx respectively .
In ver ter System Accessories In This Chapter .... page — Introduction ............................................................... ........................ 2 — Component Descriptions ............................................................
Introduction Motor Control Accessories 5–2 Intr oduction A motor speed control system will obviously incl ude a motor and in verter , as well as fuses for safety . If you are co nnecting a motor to the inv erter on a test bench just to get started, that’ s all you may need for now .
SJ300 Inverter Motor Control Accessori es 5–3 Component Descriptions A C Reactors, Input Side This is useful in suppressing harmonics ind uced on the power su pply lines, or when the main po wer volt age imbalance e xceeds 3% (and po wer s ource capacity is more than 500 kV A), or to smooth out line fluctu ations.
Component Descriptions Motor Control Accessories 5–4 Zero-phase Reactor (RF Noise Filter) Electrical no ise interferenc e may occur on nearby equipment such as a rad io recei ver . The zero-phase reactor helps reduce radiated noise from the inv erter wiring.
SJ300 Inverter Motor Control Accessori es 5–5 Expansion Cards The SJ–FB Encoder Feedback Board installs i n the in verter’ s expansion bay , which can accept up to two expansion cards. The encoder card accepts two-c hannel incremental encoder signals.
Dynamic Braking Motor Control Accessories 5–6 Dynamic Braking Intr oduction The purpose of dynamic b raking is to improve the ability of the inv erter to stop (dec elerate) the mot or and load.
SJ300 Inverter Motor Control Accessori es 5–7 SJ300 Dynamic Braking Selection T ables The SJ300 Series 200V and 400V class inv erter mo dels in the 1 /2 to 15 hp range have internal braking uni ts. Addition al stopping to rque is a v ai lable by adding e xternal resistors.
Dynamic Braking Motor Control Accessories 5–8 Choosing a Braking Unit The SJ300 Series 200V and 400V class in verter models in the 20 to 200 hp range require external braking units to increa se their braking tor que. Braking units come in sizes correspon d- ing to the power handing requireme nts for particular resi stor selections.
SJ300 Inverter Motor Control Accessori es 5–9 Selecting a Braking Resistor Y ou can add one or more resistors to your in vert er conf iguration to in crease braking torque performance. The number of resistors and their co nfiguration (series or pa rallel) dep ends on the desired bra king torque .
Dynamic Braking Motor Control Accessories 5–10 The table below lists the perfo rmance of 2 00V -class in v erter models with the optional external braking units. In some cases, th e resistor select ion specifies mult iple resisto rs in a paralle l, series, or combination pa rallel/series conf ig urati on.
SJ300 Inverter Motor Control Accessori es 5–11 The table belo w lists the performa nce of 400V - class in v erter models with the optional external braking un its. In some c ases, th e resistor selection specifies mu ltiple resistors in a parallel, series, or combination parallel /series configuration.
Dynamic Braking Motor Control Accessories 5–12 NOTE: Other braking units and resistors are also av ailable. For braking requirements beyond those in the t ables, contact your Hitachi d istributor . –300HFU BRD–EZ2–5 5K HRB3 x (4) (2) para llel x 2 series 17 4800 10 110 HRB3 x (6) (3) para llel x 2 series 11.
T r oub leshooting and Maintenance In This Chapter .... page — T roubleshooting ................................................................................ 2 — Monitoring T rip Events, History , & Conditions ..............................
Troubleshooting T roubleshooting and Maintenance 6–2 T r oub leshooting Safety Messages Please read the foll o wing safety messages be fore troubleshoo ting or performing maintenance on the inv erter and mot or system.
SJ300 Inverter T roubleshooting and Maintenance 6–3 T r oub leshooting Tips The table below lists typical sympto ms and the corresponding solutio n(s). Symptom/condition Probable Cause Solu tion The motor will not run. The in v erter outputs U, V , W are not sup plying volt age.
Troubleshooting T roubleshooting and Maintenance 6–4 The moto r speed will not rea ch the target frequenc y (desired speed). • If using the analog input, is there current or voltage at [O] or [OI]? • Check the wiring. • Check the po tentiomete r or signal generating device.
SJ300 Inverter T roubleshooting and Maintenance 6–5 Monitoring T rip Events, History , & Conditions Fa ult Detection and Clearing The microprocessor in t he in v erter detect s a variety of fa ult conditions and captures the event, recording it in a history ta ble.
Monitoring Trip Events, History, & Conditions T roubleshooting and Maintenance 6–6 E05 Overload protection When a moto r over load is de tected by t he electronic thermal function, the in verter trips and turns OFF its output.
SJ300 Inverter T roubleshooting and Maintenance 6–7 NOTE: If an EEPR OM error (E08) occu rs, be sure to confirm the param eter data v alues are still correct. E23 Gate array error An internal invert er error has occurred in commu- nications between the CP U and gate ar ray IC.
Monitoring Trip Events, History, & Conditions T roubleshooting and Maintenance 6–8 T rip History and In verter Status W e recommend that you first find the cause of th e fault before attempting clearing it. When a fault occurs, the in verter stores important perfo rmance data at the moment of the fault.
SJ300 Inverter T roubleshooting and Maintenance 6–9 Restoring F actory Default Settings Y ou can restore all inv erter parameters to the or iginal factory (default) settings for the intended country of use. After initializing the inverter , use the po werup test in Chapte r 2 to get the motor running again.
Maintenance and Inspection T roubleshooting and Maintenance 6–10 Maintenance and Inspection Monthl y and Y earl y Inspection Chart Note 1: The l ife of a capac itor is affected by the ambi ent tempera ture. See “ Capacitor Life Curve ” on page 6–12 .
SJ300 Inverter T roubleshooting and Maintenance 6–11 Megger T est The me gger is a piece of test equipment that uses a high voltage to determ ine if an insulati on degradation has occurred. For in verters, it is im portant that the power terminals be isol ated from the Earth GND terminal via the proper amount of insulation.
Maintenance and Inspection T roubleshooting and Maintenance 6–12 Spare parts W e recommend that you stock spare parts to re duce down time, including parts listed belo w: Capacitor Life Curve The DC bus inside the in ve rter uses a large capacitor as shown in the diagram belo w .
SJ300 Inverter T roubleshooting and Maintenance 6–13 Capacitor Replacement The capacitor bank consists of an assembly that sl ides out of the SJ300 unit. This means that no soldering is required! 1. First, make sure that all power is remov ed from the unit, and that you hav e waited 5 minutes before accessing the wiring area.
Maintenance and Inspection T roubleshooting and Maintenance 6–14 Fan A s se m bly Replacement The SJ300 Series in vert ers ha ve f ield-replac eable fa n units. They include an internal connector for easy remov al and replacement. Y ou will need to remove the front pa ne l cove rs to r em ove the fan assembly .
SJ300 Inverter T roubleshooting and Maintenance 6–15 General In verter Electrical Measurements The follo wing table specif ies ho w to measure ke y system electrical para meters. The diagrams on the next page sho w in ve rter-motor systems and the location of measurem ent points for these parameters.
Maintenance and Inspection T roubleshooting and Maintenance 6–16 The figure below sho ws measureme nt locations fo r voltage, current, and power measurements listed in the table on the previous page. The v o ltage to be meas ured is the fundamental w av e effe cti ve v oltage.
SJ300 Inverter T roubleshooting and Maintenance 6–17 IGBT T est Method The follo wing procedure will check the in verter transistors (IGBTs) and diodes: 1. Disconnect input power to te rmin als [R, S, and T] and mo tor terminals [U, V , and W]. 2. Disconnect any wires from terminals [P] and [RB] for regenerativ e braking.
Warranty T roubleshooting and Maintenance 6–18 Wa r r a n t y W arranty T erms The warranty period under norma l instal lation and handlin g conditions shall be two (2) years from the date of manufacture (“DA TE” on produ ct nameplate), or one (1) year from the date of installation , whichev er occurs first.
Glossar y and Bib liograph y In This Appendix.... page — Glossary ............................................................................................ 2 — Bibliography .............................................................. ........
Glossary Appendix A A–2 Glossary Ambient Te m p e r a t u r e The air tem perature in th e chamber con taining a powered electronic unit. A unit’ s heat sinks rely on a lower ambient temperature in order to dissipate heat away fro m sensitiv e electroni cs.
SJ300 Inverter Appendix A A–3 Diode A semiconductor device that has a voltage-curre nt characteristic that allows current to flow only in one direction, with negligible leakage current in th e re verse direction. See also r ectif ier . Duty Cycle 1.
Glossary Appendix A A–4 Isolation T ransf ormer A transformer with 1:1 v oltage ratio that pro vid es electrical iso lation between its pri mary and secondary windings.
SJ300 Inverter Appendix A A–5 Reactance The impedance of inductors and capacitors has tw o components. The resist ive part is constant, while the re activ e part change s with applied frequency . These devices hav e a complex imped- ance (complex number), where the resistance is t he real part and the reactance is the imaginary part.
Bibliography Appendix A A–6 Thermal Switch An electromechanical safe ty device that opens to stop current flo w when the temperature at the device reaches a specif ic temperature threshold. Thermal switch es are someti mes installed in the motor in order to pr otect the windings fro m heat damage.
Serial Comm unications In This Appendix.... page — Introduction ............................................................... ........................ 2 — Communications Protocol ................................................................. 5 — Communications Reference Information .
Introduction Appendix B B–2 Intr oduction SJ300 in verters hav e a built-in RS485 serial co mmunicati ons interface. This serial communica- tions function provides a way of controlling from 1 to 32 in vert ers on a common serial network.
SJ300 Inverter Appendix B B–3 Serial Connection Diagrams The serial connector is to the left of the co ntrol logic connector as shown belo w: Each device requires just two connections for da ta tra nsmission and rece ption. Additionally , the device at each physical end of the wiring requi res a termination resistor .
Introduction Appendix B B–4 Serial Netw ork P arameter Settings Sev eral paramete r settings are necessary to c onfigure serial communic ations, listed below . For in verters on the same network, some settings must match from in v erter to in v erter .
SJ300 Inverter Appendix B B–5 Comm unications Pr otocol Introduction to Command List The network master sends a frame to initiate communications with a sla ve, as sho wn in the figure to the ri ght. After the set waiting time (per parameter C078, the inv erter responds.
Communications Protocol Appendix B B–6 Command – 00 The 00 command controls the Forward, Rev erse a nd Stop mode of the in verter . Y ou must set parameter A002=03 in order for serial commun i cations control of the in verter to apply . The frame format of command 00 follows the timing diagram and specification table.
SJ300 Inverter Appendix B B–7 Command – 02 The 02 command assigns the function of the intelligent in put terminals. The frame format of command 02 follows the timing diagram and specif ication table.
Communications Protocol Appendix B B–8 The arrangem ent of the ter minal assignm ent data permits you to assign all inputs in a single command. The exam ple belo w shows a transmission to the inv erter at address Node 1 to set the Forward command, Multi-speed 1 and Multi-sp eed 2.
SJ300 Inverter Appendix B B–9 The data in the receiv e frame contains 8-byte va lues for 13 items, listed in the table below: The eight bytes for intellig ent input or intelligent output d ata hav e a bit set in the data field for each I/O poin t that is ON, accord ing to the f ollowing table: No.
Communications Protocol Appendix B B–10 Command – 04 The 04 command reads the status of the inv erter . The frame format of command 04 follows the diagrams and specificati on tables. The transmit frame has no data field. The receive frame has an 8-byte data f ield, containing values for three t rip items (plus a reserved f ield).
SJ300 Inverter Appendix B B–11 Command – 05 The 05 command reads the in verter’ s trip history . The frame format of command 05 follows the diagrams and specification tables. Th e transmit frame has no data field. The recei ve frame has a 440-byte data f ield.
Communications Protocol Appendix B B–12 For Command 05, bytes 2, 3, and 4 o f the ev ent history are status co des A, B, and C, respectiv ely . The tables below provide status co de descriptions.
SJ300 Inverter Appendix B B–13 Command – 06 The 06 command reads a single parameter value from the in verter , wh ich is specified by the data fi eld this read command. The recei ve frame include s an A CK (acknowledge) character , follo wed by an 8-byte data field.
Communications Protocol Appendix B B–14 Command – 07 The 07 command sets a parameter value equal to the value spec ified in the transmissio n.The frame format of command 07 follows th e diagra m and specification tabl e.
SJ300 Inverter Appendix B B–15 Command – 08 The 08 command initializes the in verter parame ters to the factory default v alues. First, you must set B84 (use command 07) to specify wh ethe r you want to clear the trip history at th e same time. Also, set B85 to sp ecify the country code for the in itialization (use command 0 7).
Communications Protocol Appendix B B–16 Command – 0A The 0A command sets a value in the EEPROM. The frame format of command 0A follows the diagram and specification table. Command – 0B The 0B comman d recalculat es the in verter’ s inte rnal motor constants.
SJ300 Inverter Appendix B B–17 Comm unications Ref erence Inf ormation In verter Affirmative Reply The standard aff irmativ e reply from the in verter uses the ACK character (acknowledge) in the da ta field. The frame format of this reply fo llo ws the diagram and specif ication table.
Communications Reference Information Appendix B B–18 Block Chec k Code (BCC) This section shows ho w the in v erter protocol computes def ine s a BCC—block c heck code . The BCC is calculated for each frame transmit ted and can be used to verify the integrity of data transmission.
SJ300 Inverter Appendix B B–19 Communication Te s t M o d e The communication test mode verif ies that the in verter can properly send and receiv e data via the RS485 serial port.
Drive P arameter Settings T ab les In This Appendix.... page — Introduction ............................................................... ........................ 2 — Parameter Settings for Keypad Entry ..........................................
Introduction Appendix C C–2 Intr oduction This appen dix lists the u ser -programma ble para meters for the SJ300 series in ve rters and the default v alues for European, U. S. and Japanese produ ct types. The right-most column of the tables is blank so you can record values you ha ve changed from the default.
SJ300 Inverter Appendix C C–3 Standard Functions “A” Gr oup Parameters Default Setting User Setting Func. Code Name -FE (Europe) -FU (USA) -FR (Japan) A001 Frequency source setting 01 01 02 A002 Run command source setting 01 01 02 A003 Base frequency setting 50.
Parameter Settings for Keypad Entry Appendix C C–4 A028 Multi-speed 8 setting 0.00 0.00 0.00 A029 Multi-speed 9 setting 0.00 0.00 0.00 A030 Multi-speed 10 setting 0.00 0.00 0.00 A031 Multi-speed 11 setting 0.00 0.00 0.00 A032 Multi-speed 12 setting 0.
SJ300 Inverter Appendix C C–5 A056 DC braking / edge or lev el detection for [DB] input 01 01 01 A057 DC braking force for starting 0. 0. 0. A058 DC braking time for starting 0.0 0.0 0.0 A059 DC braking carrier frequency setting 5.0 5.0 5.0 A061 Frequency upper limit setting 0.
Parameter Settings for Keypad Entry Appendix C C–6 A293 Deceleration (2) time setting, 2nd motor 15.0 15.0 15.0 A393 Deceleration (2 ) time setting, 3rd motor 15.0 15.0 15.0 A094 Select method to switch to Acc2/ Dec2 profile 00 00 00 A294 Select method to switch to Acc2/ Dec2, 2nd motor 00 00 00 A095 Acc1 to Acc2 frequency transition point 0.
SJ300 Inverter Appendix C C–7 Fine T uning Functions “B” Group Parameters Default Setting User Setting Func. Code Name -FE (Europe) -FU (USA) -FR (Japan) B001 Selection of restart mode 00 00 00 B002 Allo wable under -v oltage po wer failure time 1.
Parameter Settings for Keypad Entry Appendix C C–8 B023 Deceleration rate at ov erload restric- tion 1.0 1.0 1.0 B024 Overload restriction operation mode (2) 01 01 01 B025 Overload restriction setting (2) Rated current x 1.50 Rated current x 1.50 Rated current x 1.
SJ300 Inverter Appendix C C–9 B084 Initialization mode (parameters or trip history) 00 00 00 B085 Country code for initialization 01 02 00 B086 Frequency scaling con version factor 1.0 1.0 1.0 B087 ST OP key enable 00 00 00 B088 Restart mode after FRS 00 00 00 B090 Dynamic braking usage ratio 0.
Parameter Settings for Keypad Entry Appendix C C–10 Intelligent T erminal Functions B126 Brake Release Current Setting Rated current for each in v erter Rated current for each in verter Rated current for each in verter “B” Group P arameters Default Setting User Setting Func.
SJ300 Inverter Appendix C C–11 C031 T erminal [11] acti ve state 00 00 00 C032 T erminal [12] acti ve state 00 00 00 C033 T erminal [13] acti ve state 00 00 00 C034 T erminal [14] acti ve state 00 0.
Parameter Settings for Keypad Entry Appendix C C–12 C082 [OI] input span calibration Fac tory set Factory set Factory set C083 [O2] input span calibration Fa ctory set Factory set F actory set C085 Thermistor input tuning 105.0 105.0 105.0 C086 [AM] terminal of fset tuning 0.
SJ300 Inverter Appendix C C–13 Motor Constants Functions “H” Group P arameters Default Setting User Setting Func. Code Name -FE (Europe) -FU (USA) -FR (Japan) H001 Auto-tuning Setting 00 00 00 H.
Parameter Settings for Keypad Entry Appendix C C–14 H031 Auto constant R2, 1st motor According to in verter rating According to in verter rating According to in verter rating H231 Auto constan t R2,.
SJ300 Inverter Appendix C C–15 Expansion Card Functions “P” Group Parameters Default Setting User Setting Func. Code Name -FE (Europe) -FU (USA) -FR (Japan) P001 Operation mode on expansion card.
Parameter Settings for Keypad Entry Appendix C C–16 User -selectab le Menu Functions P047 DeviceNet polled I/O: Input instance number 01 01 01 P048 In v erter action on DeviceNet idle mode 000 P049 Motor poles setting for RPM 01 01 01 “P” Group P arameters Default Set ting User Setting Func.
CE–EMC Installation Guidelines In This Appendix.... page — CE–EMC Installation Guidelines .......................................................
CE–EMC Installation Guidelines Appendix D D–2 CE–EMC Installation Guidelines Y ou are required to satisfy the EMC directive (89/ 336/EEC) when using an SJ300 inv erter in an EU country . T o satisfy the EMC directiv e and to comply with standard, follow the guidelines in this section.
SJ300 Inverter Appendix D D–3 6. Follo w safety measures in the filter installation. • Ensure that the protective earth terminal (PE) of the f ilter is properly connected to the PE terminal of the adjustable frequency in verter .
Hitachi EMC Recommendations Appendix D D–4 Hitachi EMC Recommendations W ARNING: This equipmen t should be installed, adju sted, and serviced by qualified personal familiar with construction and operatio n of th e equipment and the hazards in v olved.
Inde x A A Group functions 3–9 AC reactors 5–3 Acceleration 1–15 , 3–8 characteristic curves 3–26 second function 3–24 two-stage 4–19 Acceleration stop function 3–21 Access levels 3–.
Index –2 D D Group parameters 3–6 DC braking 4–16 , 4–17 , A–2 derating 3–19 settings 3–18 DC link A–2 choke 5–4 Deadband A–2 Deceleration 1–15 , 3–8 , 4–16 characteristic cu.
SJ300 Inverter Index –3 I IGBT 1–13 , A–3 test method 6–17 Index of terminal functions 4–10 Inertia A–3 Initialization 6–9 Input active range 3–28 Input circuits 4–11 Input terminals.
Index –4 P P Group functions 3–65 P/PI selection 4–31 Parameter ed iting 2–23 , 2–26 Parameter settings table s C–2 Parameters 1–15 Phase loss 3–29 PID loop 1–18 , A–4 clearing 4.
SJ300 Inverter Index –5 T Tachometer A–5 Technical support 1–xviii Term definitions A–2 Terminal block 1–4 Terminal listing 4–10 Thermal overload 3–30 Thermal protection 4–28 Thermal s.
デバイスHitachi SJ300-037HFEの購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
Hitachi SJ300-037HFEをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはHitachi SJ300-037HFEの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Hitachi SJ300-037HFEの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Hitachi SJ300-037HFEで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Hitachi SJ300-037HFEを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はHitachi SJ300-037HFEの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Hitachi SJ300-037HFEに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちHitachi SJ300-037HFEデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
