YOKOGAWA UT150L, User Manual

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IM 05C01E22-10E
FD No. IM 05C01E22-10E
3rd Edition: Jun. 2004 (YK)
AllRights Reserved. Copyright © 2000. Yokogawa Electric Corporation
Introduction
This instruction manual describes the communication functions of the UT150L controller and contains
information on how to create communication programs.
Read the manual carefully to understand the communication functions of the UT150L.
The UT150L controller has the following communication protocols.
1) PC link communication protocol
2) MODBUS communication protocol
Note that the UT150L controller cannot communicate with a host device with a communication
protocol other than these.
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Intended Readers
This manual is intended for people familiar with the functions of the UT150L Controller and control
engineers and personnel in charge of maintaining instrumentation and control equipment.
You are required to understand as a background knowledge the communication specifications of
higher-level devices, in regard to their communication hardware, language used for creating communi-
cation programs, and so on.
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Related Documents
The following instruction manuals all relate to the communication functions.
Read them as necessary. The codes enclosed in parentheses are the document numbers.
• Model UT150L Limit Controller (IM 05C01E22-01E)
Explains the basic operation of the UT150L controller.
Supplied with the UT150L Limit Controller.