Yokogawa JUXTA VJ Series Limit Alarms Uživatelský manuál Strana 1

User’sManualIM 77J01J11-01EVJ SeriesCommunication FunctionsIM 77J01J11-01E3rd Edition

1-2<Toc> <Ind> <1. Setup >IM 77J01J11-01E1.2 Notes on Setting ParametersThis section describes the setting parameters for using the

<Toc> <Ind> <1. Setup >1-3IM 77J01J11-01E● Address number (ADDRESS)Set the address number of the VJ Series itself. An address numb

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<Toc> <Ind> <2. Communication Specifications >2-1IM 77J01J11-01E2. Communication SpecificationsThe RS-485 communication interface h

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<Toc> <Ind> <3. PC Link Communication >3-1IM 77J01J11-01E3. PC Link Communication3.1 OverviewThe use of PC link communication enabl

3-2<Toc> <Ind> <3. PC Link Communication >IM 77J01J11-01E3.1.1 Configuration of CommandCommands sent from a higher-level device to

<Toc> <Ind> <3. PC Link Communication >3-3IM 77J01J11-01E3.1.2 Configuration of ResponseResponses from the VJ Series with respect t

3-4<Toc> <Ind> <3. PC Link Communication >IM 77J01J11-01E3.1.3 Response Error CodesSee Also3.1.2, “Configuration of Response”, for

<Toc> <Ind> <3. PC Link Communication >3-5IM 77J01J11-01E3.2 Commands3.2.1 List of CommandsThe following shows lists of commands av

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3-6<Toc> <Ind> <3. PC Link Communication >IM 77J01J11-01E3.2.2 BRD Reading I Relays on a Bit-by-bit Basis● FunctionReads a sequenc

<Toc> <Ind> <3. PC Link Communication >3-7IM 77J01J11-01E3.2.3 BRR Reading I Relays on a Bit-by-bit Basis in a RandomOrder● Functi

3-8<Toc> <Ind> <3. PC Link Communication >IM 77J01J11-01E3.2.4 BRS Specifying I Relays to be Monitored on a Bit-by-bitBasis● Funct

<Toc> <Ind> <3. PC Link Communication >3-9IM 77J01J11-01E3.2.5 BRM Monitoring I Relays on a Bit-by-bit Basis● FunctionReads the ON

3-10<Toc> <Ind> <3. PC Link Communication >IM 77J01J11-01E3.2.6 WRD Reading D Registers/I Relays on a Word-by-wordBasis● FunctionR

<Toc> <Ind> <3. PC Link Communication >3-11IM 77J01J11-01E3.2.7 WRR Reading D Registers/I Relays on a Word-by-wordBasis in a Rando

3-12<Toc> <Ind> <3. PC Link Communication >IM 77J01J11-01E3.2.8 WRS Specifying D Registers/I Relays to be Monitored on aWord-by-wo

<Toc> <Ind> <3. PC Link Communication >3-13IM 77J01J11-01E3.2.9 WRM Monitoring D Registers/I Relays on a Word-by-wordBasis● Functi

3-14<Toc> <Ind> <3. PC Link Communication >IM 77J01J11-01E3.2.10 INF Reading the Model, Presence/Absence of Options, andRevision●

<Toc> <Ind> <3. PC Link Communication >3-15IM 77J01J11-01E3.3 Communication with Higher-level DevicesHigher-level devices are those

<Toc> <Ind> <Rev>iIM 77J01J11-01E 3rd Edition : Oct. 15, 2007-00IntroductionThis instruction manual describes the communication func

3-16<Toc> <Ind> <3. PC Link Communication >IM 77J01J11-01E3.3.1 Example of Communication Program Created Using VisualBasicThis subs

<Toc> <Ind> <3. PC Link Communication >3-17IM 77J01J11-01ELabel1.Caption = "[stx]" + strSend + "[etx][cr]"Label

3-18<Toc> <Ind> <3. PC Link Communication >IM 77J01J11-01E'Initialize label control that displays character strings sent and r

<Toc> <Ind> <3. PC Link Communication >3-19IM 77J01J11-01EstrReceive = "Time Out!"fSend = False 'Receiving is regard

3-20<Toc> <Ind> <3. PC Link Communication >IM 77J01J11-01E3.3.2 Communication with UT Link ModuleCommunication with FA-M3 is achiev

<Toc> <Ind> <3. PC Link Communication >3-21IM 77J01J11-01E3.3.3 Communication with Graphic PanelCommunication with a graphic panel

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<Toc> <Ind> <4. Ladder Communication >4-1IM 77J01J11-01E4. Ladder Communication4.1 OverviewCommunication with a sequencer (PLC) is

4-2<Toc> <Ind> <4. Ladder Communication >IM 77J01J11-01E4.2 Commands/Responses at the PLCThe PLC sends commands and receives respon

<Toc> <Ind> <4. Ladder Communication >4-3IM 77J01J11-01E4.2.2 Reading ParametersParameters from the PLC are read in the VJ Series s

ii<Toc> <Ind> <Rev>IM 77J01J11-01E 3rd Edition : Oct. 15, 2007-00Documentation Conventions SymbolsThis manual uses the following sy

4-4<Toc> <Ind> <4. Ladder Communication >IM 77J01J11-01E4.2.3 Response Error CodesData that the master station (PLC) will receive i

<Toc> <Ind> <5. MODBUS Communication >5-1IM 77J01J11-01E 3rd Edition : Oct. 15, 2007-005. MODBUS Communication5.1 OverviewThe use o

5-2<Toc> <Ind> <5. MODBUS Communication >IM 77J01J11-01E 3rd Edition : Oct. 15, 2007-005.1.1 Configuration of MessageMessages sent

<Toc> <Ind> <5. MODBUS Communication >5-3IM 77J01J11-01E 3rd Edition : Oct. 15, 2007-005.1.2 Specifying D RegistersSpecification of

5-4<Toc> <Ind> <5. MODBUS Communication >IM 77J01J11-01E 3rd Edition : Oct. 15, 2007-005.2 Function Codes5.2.1 List of Function Cod

<Toc> <Ind> <5. MODBUS Communication >5-5IM 77J01J11-01E 3rd Edition : Oct. 15, 2007-0003 Reads data from multiple D registers.● Fu

5-6<Toc> <Ind> <5. MODBUS Communication >IM 77J01J11-01E 3rd Edition : Oct. 15, 2007-00● Example:Reading the statuses of alarms-1 a

<Toc> <Ind> <5. MODBUS Communication >5-7IM 77J01J11-01E 3rd Edition : Oct. 15, 2007-0008 Performs a loop back test.● FunctionThis

5-8<Toc> <Ind> <5. MODBUS Communication >IM 77J01J11-01E 3rd Edition : Oct. 15, 2007-005.2.2 Response Error Code[Response]● Message

<Toc> <Ind> <5. MODBUS Communication >5-9IM 77J01J11-01E 3rd Edition : Oct. 15, 2007-005.3 Example of Setting up Commercially Avail

<Toc> <Ind> <Rev>iiiIM 77J01J11-01E 3rd Edition : Oct. 15, 2007-00Notices Regarding This Instruction Manual(1) This manual should b

5-10<Toc> <Ind> <5. MODBUS Communication >IM 77J01J11-01E 3rd Edition : Oct. 15, 2007-00● Example of setting the tag variable of In

<Toc> <Ind> <6. Functions and Usage of D Registers >6-1IM 77J01J11-01E 3rd Edition : Oct. 15, 2007-006. Functions and Usage of D Re

6-2<Toc> <Ind> <6. Functions and Usage of D Registers >IM 77J01J11-01E 3rd Edition : Oct. 15, 2007-006.3 D Register Map TableD-Regi

<Toc> <Ind> <6. Functions and Usage of D Registers >6-3IM 77J01J11-01E 3rd Edition : Oct. 15, 2007-006.3.1 Contents of D Registers●

6-4<Toc> <Ind> <6. Functions and Usage of D Registers >IM 77J01J11-01E 3rd Edition : Oct. 15, 2007-00● D0002, D0003: INPUT1_L, INPU

<Toc> <Ind> <7. Functions and Usage of I Relays >7-1IM 77J01J11-01E 3rd Edition : Oct. 15, 2007-007. Functions and Usage of I Relay

7-2<Toc> <Ind> <7. Functions and Usage of I Relays >IM 77J01J11-01E 3rd Edition : Oct. 15, 2007-007.1 StatusThe following table sho

<Toc> <Ind> <Appendix. Table of ASCII Codes (Alphanumeric Codes) >App.-1IM 77J01J11-01EAppendix Table of ASCII Codes(Alphanumeric C

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i<Int> <Toc> <Ind>IM 77J01J11-01ERevision Information● Title : VJ Series Communication Functions● Manual No. : IM77J01J11-01EAug. 19

iv<Toc> <Ind> <Rev>IM 77J01J11-01E 3rd Edition : Oct. 15, 2007-00 Force Majeure(1) Yokogawa does not make any warranties regarding

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Toc-1<Int> <Ind> <Rev>IM 77J01J11-01ECONTENTSIM 77J01J11-01E 3rd EditionVJ Series Communication FunctionsIntroduction...

<Int> <Ind> <Rev>IM 77J01J11-01EToc-24. Ladder Communication......

<Toc> <Ind> <1. Setup >1-1IM 77J01J11-01E1. SetupThis chapter describes the setup procedure required to use the communicationfuncti