Yokogawa JUXTA M Series Digital Limit Alarms MVTK - Manual (Page 7)

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IM 77J04J11-01E 1st Edition : 2006.08.25-00
CONTENTS
IM 77J04J11-01E 1st Edition
M Series Digital Limit Alarms
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
3.1.4 Specifying Broadcast ........................................................................ 3-5
3.2 Commands ...................................................................................................... 3-6
3.2.1 List of Commands ............................................................................. 3-6
BRD Reads I relays on a bit-by-bit basis ......................................... 3-7
BWR Writes data into I relays on a bit-by-bit basis ........................... 3-8
BRR Reads I relays on a bit-by-bit basis in random order ................ 3-9
BRW Writes data into I relays on a bit-by-bit basis in random order .. 3-10
BRS Specifies I relays to be monitored on a bit-by-bit basis ........... 3-11
BRM Monitors I relays on a bit-by-bit basis .................................... 3-12
WRD Reads D registers and I relays on a word-by-word basis ....... 3-13
WWR Writes data into D registers and I relays on a word-by-word
basis ..................................................................................... 3-14
WRR Reads D registers and I relays on a word-by-word basis in
random order ........................................................................ 3-15
WRW Writes data into D registers and I relays on a word-by-word
basis in random order ........................................................... 3-16
WRS Specifies D registers and I relays to be monitored on a word-
by-word basis ....................................................................... 3-17
WRM Monitors D registers and I relays on a word-by-word basis .... 3-18
INF Reads the model, range code number, number of alarms and
revision ................................................................................. 3-19