Yokogawa JUXTA VJ Series Limit Alarms Manual de usuario descargar pdf (Pagina 7)

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IM 77J01J11-01E

CONTENTS

IM 77J01J11-01E 3rd Edition

VJ Series Communication Functions

Introduction........................................................................................................... i

Documentation Conventions ...............................................................................ii

Notices .................................................................................................................iii

1. Setup ....................................................................................................... 1-1

1.1 Setup Procedure ............................................................................................. 1-1

1.2 Notes on Setting Parameters ......................................................................... 1-2

2. Communication Specifications.............................................................. 2-1

2.1 RS-485 Communication Specifications ......................................................... 2-1

3. PC Link Communication ........................................................................ 3-1

3.1 Overview.......................................................................................................... 3-1

3.1.1 Configuration of Command ............................................................... 3-2

3.1.2 Configuration of Response ............................................................... 3-3

3.1.3 Response Error Codes ..................................................................... 3-4

3.2 Commands ...................................................................................................... 3-5

3.2.1 List of Commands ............................................................................. 3-5

3.2.2 BRD Reading I Relays on a Bit-by-bit Basis ..................................... 3-6

3.2.3 BRR Reading I Relays on a Bit-by-bit Basis in a Random Order....... 3-7

3.2.4 BRS Specifying I Relays to be Monitored on a Bit-by-bit Basis ......... 3-8

3.2.5 BRM Monitoring I Relays on a Bit-by-bit Basis ................................. 3-9

3.2.6 WRD Reading D Registers/I Relays on a Word-by-word Basis....... 3-10

3.2.7 WRR Reading D Registers/I Relays on a Word-by-word Basis in a Random

Order ............................................................................................... 3-11

3.2.8 WRS Specifying D Registers/I Relays to be Monitored on a Word-by-word

Basis .............................................................................................. 3-12

3.2.9 WRM Monitoring D Registers/I Relays on a Word-by-word Basis ... 3-13

3.2.10 INF Reading the Model, Presence/Absence of Options, and Revision3-14

3.3 Communication with Higher-level Devices ................................................. 3-15

3.3.1 Example of Communication Program Created Using Visual Basic .. 3-16

3.3.2 Communication with UT Link Module .............................................. 3-20

3.3.3 Communication with Graphic Panel ................................................ 3-21

3rd Edition : Oct. 15, 2007-00

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Yokogawa JUXTA VJ Series Limit Alarms Manual de usuario Pagina 7