Yokogawa JUXTA M Series Digital Limit Alarms MVTK - Manual (Page 3)

i
IM 77J04J11-01E 1st Edition : 2006.08.25-00
Introduction
This user's manual describes the communication functions of the M Series digital limit
alarms (hereinafter simply referred to as M Series) and contains information on how to
create communication programs.
Read the manual carefully to understand the communication functions of the M Series.
The M Series have the following communication protocols.
●
PC link communication protocol
●
MODBUS communication protocol
●
Ladder communication protocol
Note that the M Series cannot communicate with a higher-level device with a communica-
tion protocol other than these.
You are required to have background knowledge of the communication specifications of
higher-level devices, their communication hardware, language used for creating communi-
cation programs, and so on.
■
Intended Readers
This manual is intended for people familiar with the functions of the M Series, control
engineers and personnel in charge of maintaining instrumentation and control equipment.
■
Related Documents
The following user's manuals all relate to the communication functions of the M Series.
Read them as necessary.
● Model MVHK Digital Limit Alarm (DC Input Type)
Document number: IM 77J04H31-01E
●
Model MVRK Digital Limit Alarm (RTD Input Type)
Document number: IM 77J04R31-01E
●
Model MVTK Digital Limit Alarm (Thermocouple Input Type)
Document number: IM 77J04T31-01E
The user's manuals above describe mounting, wiring, and how to operate the digital
limit alarms.
Media No. IM 77J04J11-01E (MO) 1st Edition : 2006.08.25 (YK)
All Rights Reserved Copyright © 2006, Yokogawa Electric Corporation