ToshibaメーカーMDB-100の使用説明書/サービス説明書
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August, 1999 ICC #10207-000 “MICRO” A DJUSTA BLE SPEED DRIVE INTERFA CE MDB-100 MODBUS RTU / A SCII COMMUNICA TIONS INTERFA CE FOR THE TOSHIBA VF-S7 SERIES A DJUSTA BLE SPEED DRIVE.
1 Introduction Thank you f or purchasing t he ICC MDB-100 Modbus RTU / ASCII Comm unicat ions Interf ace f or the Toshiba VF-S7 Ser ies Micro Adjustable Speed Dr ive. Before using the MDB-100 interf ace, please familiar ize yourself with the product and be sure t o thoroug hly read the inst ructions and precaut ions cont ained in t his manual.
2 Usage Precautions • Please use the MDB-100 only when the ambient tem perature of the environm ent into which the MDB-100 is ins talled is within the following specif ied temper ature lim its: Oper.
3 TABLE OF CONTENTS 1. Interface Package Diagram .................................................................. 4 2. Feature Summary.................................................................................. 5 3. Installing The MDB-100 ....
4 1. Interf ace P ac k ag e Diag r am Note that t he above diag r am shows the MDB-100 with its cover removed. However, it is only necessary to remove the cover in or der t o initially config ure the MDB-100. Once conf ig ured, the cover should be r einst alled t o pr event damage and dust accumulation.
5 2. F ea tur e Summary The MDB-100 interf ace provides a wide array of network data access and dr ive control f eatures. Com bined with the f lexible data access methods and universal acceptance of t he Modbus network, t his allows powerful net worked control and monitoring system s t o be desig ned.
6 Programmable Pointer Regist ers 32 progr am m able point er register s ar e pr ovided for user def inition. By using t hese register s, f req uent ly-accessed dr ive paramet er s that may be scatter ed t hr oughout the register m ap can be g rouped tog et her and accessed with a single holding reg ist er read or write comm and.
7 3. Installing T he MDB-100 The MDB-100 connects to each drive via the drive’s communication por t , located on the right -hand side of t he drive enclosure under a small snap-on cover.
8 6. Repeat steps 1, 2, 4 and 5 above to connect anot her drive to Channel B on the MDB-100, if desired. 7. Remove the cover of the MDB-100 by removing the 4 cover screws. 8. Config ure the Modbus network character istics such as baud r at e, parity etc.
9 4. Equipment Specifica tions Item Specif ication Operating Environment Indoors, less t han 1000m above sea level, do not expose to direct sunlight or corrosive / explosive gasses Operating Temper at.
10 6. Stor ag e And W arr anty 6.1 Storage Observe the f ollowing points when the MD B-100 interf ace is not used imm ediat ely aft er pur chase or when it is not used f or an extended period of time. • Avoid storing the MDB-100 in places that ar e hot or humid, or t hat cont ain large quantit ies of dust or m et allic dust.
11 7. Netw or k Char acteristics Configura tion The MDB-100 interf ace board uses an 8-position DI P switch (labeled SW 1) t o config ure the Modbus network communication char act er ist ics.
12 A Note A bout Modbus Communi cation Formats Accordi ng to the Modicon Modbus Protocol Reference Guide , t he specificat ions f or both Modbus ASCII and RTU comm unication modes are as f ollows: A SCII Mod e Coding System: .
13 8. Modb us Sta tion Addr ess Selection The MDB-100 interf ace provides two diff er ent methods f or conf ig uring t he node’s station address. O ne m ethod uses the inverter num ber par am eter r.
14 Hold ing Register Wri t e Dat a Meaning 0x5A5A Reset the MDB-100 0xFEBA Reset the MDB-100 and return MDB-100 config uration reg isters to f actory def ault values.
15 9. Modicon Pr og ra mming 9.1 Supported Modbus Commands The MDB-100 interf ace supports 5 Modbus commands: comm and 1 ( 0x01: read coil status), com m and 3 ( 0x03: read holding reg isters), com m and 5 ( 0x05: f orce sing le coil), comm and 6 ( 0x06: pr eset sing le register ) and command 16 (0x10: pr eset multiple reg isters).
16 data will be the data obtained f rom reg isters 0xFE03, 0xFE04, 0xFE06, and 0xFD00 (in that order ) . Note that t he set t ings of t he pr og rammable address r egisters (0x6000 ∼ 0x601F) are stored in the MDB-100’s nonvolatile EEPROM. Ther ef ore, do not write t o any of these reg ister s m ore than 100,000 t imes.
17 For setting 2 (coast stop) , the drive will coast stop (f r ee run) if it was running. T his action clears bit #10 in the select ed drive’s communication comm and bit st r uct ure (reg ister 0x7A00 / 0xFA00 - also the same data as write-only coil #10 / #26) and set s bit #11 (same as coil #11 / #27).
18 The response delay time r value is read only upon MDB-100 initialization, req uiring the unit to be r eset if t he value is changed f or t he new value to tak e ef f ect . This setting is also non- volatile ( writt en t o t he MDB-100’s EEPROM). T her ef ore, do not write to this reg ister more t han 100, 000 times.
19 10. Modbus Pr ogr amming Interface 10.1 Overview Three t ypes of Modbus data may be accessed via the MDB-100. These are holding register s ( 4x reference) , r ead-only coils (0x reference) and write- only coils (0x ref er ence) .
20 Figure 2: MDB- 100 Hol di ng Register Mappi ng Dr i ve A Co m m . Nu m b e rs M DB- 100 H oldin g R e gi s t e r Ma p Dr i ve B Co m m . Nu m b e rs FFFF F0 0 0 D r ive B regi ster s FFFF F0 0 0 EF.
21 Table 1: Holding Regist er M appi ng General Overview Register # Name / Function Factory Setting Adj ustment Range 0000 ∼ 05FF Access d riv e A -- -- 6000 ∼ 601F Non-volatile program m able poi.
22 Sections 10.2 to 10. 4 specif y the communicat ion num ber → holding regist er mappings and coil def initions f or all current VF- S7 communication number s.
23 the MDB-100 does not place any restrictions on coils mark ed as “Reserved”. These coils may be written to at any time. The data or f unction associated with these coils is entirely defined by the connect ed dr ive.
24 10.2 Holding Registers Drive Reg. # (hex) Title Function M ax (hex:dec) Min (hex:dec) Run Mode Modify A B 0000 8000 AU1 Automa tic accelera tion and deceleration tim e 1 0 Yes A B 0001 8001 AU2 Aut.
25 Drive Reg. # (hex) Title Function M ax (hex:dec) Min (hex:dec) Run Mode Modify A B 0023 8023 Sr6 Preset speed 6 UL LL Yes A B 0024 8024 Sr7 Preset speed 7 UL LL Yes A B 0100 8100 F100 Low speed signal output frequenc y FH 0:0.0 Yes A B 0101 8101 F101 Speed reac h signal output frequenc y FH 0:0.
26 Drive Reg. # (hex) Title Function M ax (hex:dec) Min (hex:dec) Run Mode Modify A B 0241 8241 F241 Run f requency FH 0:0.0 Yes A B 0242 8242 F242 Run f requency hy ster esis FH 0:0.
27 Drive Reg. # (hex) Title Function M ax (hex:dec) Min (hex:dec) Run Mode Modify A B 0292 8292 F292 Pres et speed 13 UL LL Yes A B 0293 8293 F293 Pres et speed 14 UL LL Yes A B 0294 8294 F294 Pres et speed 15 UL LL Yes A B 0300 8300 F300 PW M c arrier fr equency (kHz) * 16:2.
28 Drive Reg. # (hex) Title Function M ax (hex:dec) Min (hex:dec) Run Mode Modify A B 0505 8505 F505 Ac celeration & deceler ation pattern #1 & #2 switching frequenc y UL 0:0.
29 Status Monitori ng Par ameter s (read-only) Drive Comm # (hex) Function A B 7D00 FD00 Current output fr equency A B 7E00 FE00 Output Frequency (saves trip frequenc y ) A B 7E01 FE01 Status (saves t.
30 Trip Data C odes Displa y Da ta Trip Ty pe nErr 0000 No trip OC1 0001 Overcurr ent dur ing acceleration OC2 0002 Overcurr ent dur ing deceleration OC3 0003 Overcurr ent dur ing constant-speed r un .
31 10.3 Write-Only Coils Coil # S7 A SD Function OFF ON 31 Comm and s ource Local Network 30 Frequenc y c omm and sourc e Local Network 29 Fault reset N/A Reset 28 Emergency OFF com m and N/A Tr ip .
32 10.4 Read-Only Coils Coil # S7 A SD Function OFF ON 131 Drive B online / off line status Offline Online 130 Reserved Alway s “0” 129 Reserved Alway s “0” 128 Reserved Alway s “0” 127 Re.
33 11. Notes.
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