Fisherメーカー244EHの使用説明書/サービス説明書
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Models 244EH and 244ER PC-Pr ogrammable T emperatur e Tr a n s m i t t e r s 00809- 0100-473 7 English Rev. EA P r o d u c t D i s c o n t i n u e d.
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¢00809-0100-4737f ¤ 00809- 0100-473 7 Rev EA 10/00 Product Manual Models 244EH and 244ER PC-Pr ogrammab le T emperature T ransmitter s Fisher-Rosemount satisfies all obligations coming from legislation to harmonise product requirements in the European Union.
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1 T able of Contents SECTION 1 Introduction S a f e t yM e s s a g e s ..................................... 1 - 1 Transmitter Overview ................................. 1 - 1 M a n u a lO v e r v i e w.................................... 1 - 2 C o n s i d e r a t i o n s .
Rosemount Models 244EH and 24 4ER PC-Prog ramma ble T emperature T ra nsmitters 2 APPENDIX A Reference Data Transmitter Speci fication ............................. A - 1 F u n c t i o n a l ....................................... A - 1 P e r f o r m a n c e .
Section 1-1 1 Intr oduction S a f e t yM e s s a g e s . ...... .......... .......... .....p a g e 1 - 1 T r a n s m i t t e rO v e r v i e w .... ....... ......... .........p a g e 1 - 1 M a n u a lO v e r v i e w .... ...... .......... .......... ..
Rosemount Models 244EH and 244ER PC-Pr ogrammable T emperature T ransmitters 1-2 MAN U AL OVERV IEW This manual i s design ed to assi st in the ins tallatio n, operat ion, and maintenance of Rosemoun t ® Model 244E H and 244ER PC Programma ble T emperature T ransmitters and the Mod el 244EC Configuration Interf ace.
1-3 CONSIDERATIONS General El ectrical temperatu re sensors suc h as RTDs and thermocoup les produce low -level signals proportion al to their sensed temperature. The Models 244 EH and 244E R transmit ters convert the low-level s ensor signal t o a standard 4–20 mA d c signal that is relat ively inse nsitive t o lead lengt h and electrical noise.
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Section 2-1 2 Installation S a f e t yM e s s a g e s . ...... .......... .......... .....p a g e 2 - 1 T o o l sn e e d e df o r I n s t a l l a t i o n ........ .......... .....p a g e2 - 2 Mounting . .... ......... .......... ...... .........p a g e 2 - 3 I n s t a l l a t i o nP r o c e d u r e s .
Rosemount Models 244EH and 244ER PC-Pr ogrammable T emperature T ransmitters 2-2 Figur e 2-1. T ransm itte r Inst alla tion Fl owchar t TO O L S N E E D E D F O R INSTALLATION The too ls needed for in.
2-3 MOUNTING The Model 2 44EH instal ls in a connect ion head or unive rsal head mounted direct ly on a se nsor assembly , apart from a senso r assembl y using a universal head, or to a DIN rail using an op tional mount ing clip. The Model 24 4ER mounts direct ly to a wall or to a D IN rail.
Rosemount Models 244EH and 244ER PC-Pr ogrammable T emperature T ransmitters 2-4 Special Mounting Considerations Special mounting hardware is ava ilable for mounting a Model 244EH head mount transmitter to a DIN rail, or assembling a new Mode l 244EH to an existing thre aded senso r connection he ad (former op tion code L1).
2-5 INSTALLATION PROCEDU RES T ransmitte r Refer to the appropri a te pr ocedure and the accompanyi ng illustrations when in stalling t he trans mitter .
Rosemount Models 244EH and 244ER PC-Pr ogrammable T emperature T ransmitters 2-6 Head Mount T ransmitter with Threaded Sensor The leas t compli cated assembl y uses: • a th readed sensor with flying.
2-7 Rail Mount T r ansmitter with Integral Mount Sensor The leas t compli cated assembl y uses: • an integral mount sensor with terminal block • an integral DIN style conne ction head •a s t a n.
Rosemount Models 244EH and 244ER PC-Pr ogrammable T emperature T ransmitters 2-8 Rail Mount T ransmitter with Threaded Sensor The leas t compli cated assembl y uses: • a threaded senso r with flying.
2-9 Multichannel Installations Several transmitters can be connected to a single master power supply as show n in Figure 2-9. In t his case, the sys tem may be gro unded only at the nega tive power supp ly terminal.
Rosemount Models 244EH and 244ER PC-Pr ogrammable T emperature T ransmitters 2-10 Choose the pro cedure that matche s the operating sys tem you are using . Pr ocedure for Windows 3.1 or Windo ws for W orkgroups 3.11 1. If y ou do not have Win32s inst alled, install it now .
2-11 Screen Conventions The Models 244EH and 244ER Configuratio n Software follow s the Microsoft W indows screen conventions with the following exception: Configuration parameters change co l or to indicate fields where information has change d.
Rosemount Models 244EH and 244ER PC-Pr ogrammable T emperature T ransmitters 2-12 5. Turn on the Model 244EC usi ng the power s witch on th e top side of the housing . NO TE V erify that the Model 2 44EC “Low B attery” L ED is not on be fore initiating communication with the transmitter .
2-13 Use th e followin g steps to wire the transmit ter: 1. Co nnect the posit ive lead fro m the power s upply to th e transmitt er terminal marked “ + ” and the n egative le ad to the transmi tter terminal marked “ – ” (see Figure 2-11 and Figure 2-13) .
Rosemount Models 244EH and 244ER PC-Pr ogrammable T emperature T ransmitters 2-14 Sensor Lead Wire Resist ance Effect RT D Input When using a 4-wire RTD, the effect of le ad resistan ce is eliminated and has no impact on accuracy .
2-15 •P t 1 0 0 2 - w i r e R T D : Lead wire resistance seen by the transmitter = 150 m × 2 wires × 0.025 Ω /m = 7 .5 Ω Thermocouple or Milli v olt Inputs F or integral mounting a pplications , the thermocouple can be connected directly to the trans mitter .
Rosemount Models 244EH and 244ER PC-Pr ogrammable T emperature T ransmitters 2-16 Figure 2 -13. T ransmitte r P ower , Sensor , and Configur ation T er minal s FA ILURE MODE The Models 24 4EH and 244 ER features software driven alarm diagnost ics and an independ ent circuit.
Section 3-1 3 Operation S a f e t yM e s s a g e s . ...... .......... .......... .....p a g e 3 - 1 P ower Supply . . . . . . . . . . . . . .... ...... .......... ..p a g e 3 - 1 C o n f i g u r a t i o n . ...... .......... ......... .........p a g e3 - 2 I n t e r m i t t e n t S e n s o rA l g o r i t h m .
Rosemount Models 244EH and 244ER PC-Pr ogrammable T emperature T ransmitters 3-2 Gr ounding T he transmitter will op erate with the current signal loop either floati ng or groun ded. However , the extra noise in f l oati ng systems affe cts many types o f readout devices.
3-3 Configuring a Single T ransmitte r NOTE See “Confi guration Softw are” on page 2-9 for ins tructions on how to install the co nfiguration software. T o configure a sing le Model 244EH or 24 4ER transmitt er , perform th e follow ing procedure: 1.
Rosemount Models 244EH and 244ER PC-Pr ogrammable T emperature T ransmitters 3-4 NOTE Each configuration pa rameter is explained in detail in the on-line help provided with t he software. T o access hel p, clic k the HELP bu tton on the main config uration window (see Figure 3-1).
3-5 Vie wing the Process Va r i a b l e With version 2.0 and la ter of the Model 244EC Conf iguration Interface, users can view the measured t emperature (PV) by selecting SER VIC E from the menu bar of the main configu ration window (see Figure 3-2).
Rosemount Models 244EH and 244ER PC-Pr ogrammable T emperature T ransmitters 3-6 Case Ex amples Case 1: Ope n Sensor If the algor ithm detects an o pen senso r , the tran smitter immediat ely goes into al arm (high or low , de pending on the position of the failure mode switch) .
3-7 D) If an open se nsor is vali dated at the end of t he first update cyc le (Time = 500 ms), the output w ill go dire ctly to alarm level. T he original s pike (at Time = 0 ms) will not be seen at the outp ut.
Rosemount Models 244EH and 244ER PC-Pr ogrammable T emperature T ransmitters 3-8 Figure 4-1 ill ustrates an example of intermittent se nsor detect w ith damping en abled. If the temp erature undergo es a step change greate r than the t hreshold val ue, or from 1 00 degrees to 11 0 degrees , and the damping is s et to 5.
3-9 T r ansmitter Behavior with Intermittent S ensor Detect ON When the I nterm itten t Se nsor D etect featu re is switch ed ON , the transmi tter can elim inate the outp ut pulse caused by intermit tent open sensor conditio ns.
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Section 4-1 4 Maintenance and T r oubleshooting S a f e t yI n f o r m a t i o n ... .......... ......... .........p a g e4 - 1 T r o u b l e s h o o t i n g .
Rosemount Models 244EH and 244ER PC-Pr ogrammable T emperature T ransmitters 4-2 The “Informa tion T ransmit ter UNSUCCESSFUL ” me ssage ap pears because the transmitter did not accept the change made in the Intermittent Sensor Det ect field.
Appendix A-1 Appendix A Reference Data T r a n s m i t t e rS p e c i f i c a t i o n ........ ...... .......... ..p a g e A - 1 O r d e r i n gI n f o r m a t i o n . ...... .......... .......... ..p a g eA - 6 D i m e n s i o n a lD r a w i n g s ..
Rosemount Models 244EH and 24 4ER PC-Prog ramma ble T emperature T ra nsmitters A-2 Failure Mode The values that the tra nsmitter driv es its output to in fail ure mode depend on whether it is factory configure d t o standard or NAMUR-compli ant ope ration.
A-3 Accuracy When using a Pt 100 ( α = 0.00385) sensor inpu t with a 7 5 to 150 ° C range, the accuracy w ill be 0.05% o f span + 0. 15 °C or 0.20 °C , whichever is g reater . Sa mple Calculatio n:[0.0005 (1 50-75) + 0 .15] = 0.19 °C, which is less than 0.
Rosemount Models 244EH and 24 4ER PC-Prog ramma ble T emperature T ra nsmitters A-4 Ambient T emperature Effect Tr ansmitters can be installed in lo cations where the ambie nt temperature is between –40 a nd 85 °C (–40 and 185 °F). At the f actory , each transm itter is indivi dually charac terized ove r this ambient temperate rang e.
A-5 Ph ysical Electrical Connections Materials of Construction Mounting The Model 2 44EH instal ls in a connect ion head or unive rsal head mounted direct ly on a se nsor assembly , apart from a senso r assembl y using a universal head, or to a DIN rail using an op tional mount ing clip.
Rosemount Models 244EH and 24 4ER PC-Prog ramma ble T emperature T ra nsmitters A-6 OR DERING INFORMATION T ABLE A-4. Model 244EH and 244ER T emperatu re T ransmit ter Ordering Inf ormation • = Av a.
A-7 T ABLE A-5. Model 2 44EC Configur ation Interf ace Ordering Inf ormation • = Av ailable — = Not ava ilable Mode l Pro duct Descriptio n 244EH 244EC Model 244 EC Configu rati on Interf ace Hardw are and Soft ware • T ypic al Mode l Number: 244EC T ABLE A-6.
Rosemount Models 244EH and 24 4ER PC-Prog ramma ble T emperature T ra nsmitters A-8 Or dering Flameproof and Explosion-proof Appr ov als f or T emperature Assemblies Both flameproo f and explosio n-proof protection depe nd on the enclosure type .
A-9 DIMENSIONAL DRAWINGS T ransmitte r Enc losure and Model 2 44EC Configuration Interface Model 244ER Model 244EH Shown with Standar d Compression Screw T erminals Shown w ith W AGO ® Spring Clamp T erminals Dimensions are in millimeters (inches) 36 (1.
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Appendix B-1 Appendix B Appr o v als S a f e t yM e s s a g e s . ...... .......... .......... .....p a g e B - 1 Hazardous Locations Installations . . . . . . . . . .... .....p a g eB - 1 L o c a t i o n s C e r t i f i c a t i o n s . ....... ......
Rosemount Models 244EH and 24 4ER PC-Prog ramma ble T emperature T ra nsmitters B-2 LOCATIONS CERTIFICATIONS Factory M utual (FM) Appro vals E5 Explosion-Proo f for Class I, Divisi on 1, Groups B , C , and D . Dust-Ignitio n Proof for Class II, Divi sion 1, Groups E, F , and G .
B-3 KEMA Approv als ED ATEX II 2 G Flameproof (Z one 1) (Model 244EH onl y) EEx d IIC T6 (T amb = –40 to 65 °C). NOTE: Flameproo f certificat ion is only ava ilable as a complete as sembly with Rosemount universal head – option codes J5 or J6.
Rosemount Models 244EH and 24 4ER PC-Prog ramma ble T emperature T ra nsmitters B-4 N7 Type N Approva l , Ex n IIC T5 (T amb = 70 °C) Special Conditions f or Safe Use ( X ): The assemb ly must be ins talled such that its external terminals and communication pins are protected to at least t he requirements of IP54.
B-5 Figure B-1. Can adian Standards Associ ation (CSA) Intrinsic S afety Install ation Dra wing 0 0644-1064, Re v . AB.
Rosemount Models 244EH and 24 4ER PC-Prog ramma ble T emperature T ra nsmitters B-6 Figure B-2. Can adian Standards Associati on (CSA) Explosion-Pro of Install ation Dra wing 0 0644-1059, Re v .
B-7 Figure B-3. F actor y Mutual (FM) Intrinsi c Safet y Install ation Dra wing 00644-00 09, Rev . AA 644-0009A01A.
Rosemount Models 244EH and 24 4ER PC-Prog ramma ble T emperature T ra nsmitters B-8 Figure B-4. F actor y Mutual (FM) Explosi on-Proof Installa tion Drawing 00644-10 49, Rev .
Appendix C-1 Appendix C Models 644 and 244E T emperature T ransmitter s Manual Supplement O l dT r a n s m i t t e r ...... .......... ...... .......... ..p a g eC - 2 N e wT r a n s m i t t e r .. ......... ....... .......... .....p a g eC - 3 S p e c i f i c a t i o n s .
Rosemount Models 244EH and 24 4ER PC-Prog ramma ble T emperature T ra nsmitters C-2 OLD T RANSMITTER OLD T RANS MITTER T rans mitter D esig n Sensor Wiring Diagrams Special Mounting Considerations Models 6 44H and 244 EH Models 644 R and 244 ER T wo Mou nting Ho les Models 644 a nd 244E * Rosemo unt In c.
C-3 NEW T RANSMITTER NEW TRANSMITTER T rans mitter D esig n Sensor Wiring Diagrams Special Mounting Considerations HAR T Communicator (Model 644H only) T o guarante e proper trans mitter function ality and com municatio n, your Model 275 HAR T Communicato r should contai n device revisio n Dev v5 DD v2 or higher .
Rosemount Models 244EH and 24 4ER PC-Prog ramma ble T emperature T ra nsmitters C-4 SPECIFICATIONS Old New B ASEFF A (1) Int rinsically Safe Installa tion Entity Paramet ers: P ower Loop U max:in 30 V dc 3 0Vd c I max:in 200 mA 200 mA Group II C Zones 0 and 1 W max :in 1.
I-1 Inde x A Alarm see Failure mode Ambient Temper ature . . . . . . . . A-4 Approvals . . . . . . . . . . . . . . . . . B-1 C Changing Swi tch Positio ns . . . 2-16 Configura tion . . . . . . . . . . . . . . 3-2 244EC Interface Ambient temper ature .
Rosemount Model 3244MV M ultiV ariable T emperature T ransmitter with Profibus-P A I-2 Wiring diagrams . . . . . . . . . . . . . 2-13 Sensors diagram .
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© Rosemount Inc., 2000 Rosemount Inc. 8200 Market Boule vard Chanhassen, MN 55317 USA T el 1-800-999-9307 F ax (952) 949- 7001 Fisher-Rosemou nt Limited Heath Place Bognor R egis West Sussex PO2 2 9SH England T el 44 (1243) 863 121 F ax 44 (1243) 867 5541 Fisher-Rosemou nt Singapore Pte Ltd.
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