Yokogawa PR300 Power and Energy Meter - Manual (Page 2)

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IM 77C01E01-10E
Introduction
This user's manual describes the communication functions of the PR300 power and energy
meter and contains information on how to create communication programs.
Hereafter, the PR300 power and energy meter is simply referred to as the PR300.
Read the manual carefully to understand the communication functions of the PR300 .
The PR300 has the following communication protocols.
●
PC link communication protocol
●
Modbus /RTU and Modbus/ASCII communication protocols
●
Modbus/TCP communication protocol (for the PR300 with Ethernet communication
function)
●
PR201 original communication protocol
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 PR300, control engi-
neers 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 PR300. Read
them as necessary.
●
Model PR300 Power and Energy Meter User's Manual (electronic manual)
Document number: IM 77C01E01-01E
● Model PR300 Power and Energy Meter Startup Manual <Installation>
Document number: IM 77C01E01-02E
●
Model PR300 Power and Energy Meter Startup Manual <Initial Setup Operations>
Document number: IM 77C01E01-03E
These manuals provide information about the procedure of installation, wiring and opera-
tion.
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Trademark
(1) All the brands or names of Yokogawa Electric's products used in this manual are
either trademarks or registerd trademarks of Yokogawa Electric Corporation.
(2) Ethernet is a registered trademark of XEROX Corporation in the United States.
(3) Company and product names that appear in this manual are trademarks or registered
trademarks of their respective holders.
Media No. IM 77C01E01-10E 3rd Edition : Feb. 15, 2007 (YK)
All Rights Reserved Copyright © 2006, Yokogawa Electric Corporation