Energy Meter Manual

2-2
<Toc> <Ind> <2. Setup>
IM 77C01E01-10E
2.1.1 Procedure for RS-485 Communication
Communication parameters setting for PR300
Set up the communication function using
the front panel keys.
Subsection 2.2.1 “Conditions for RS-485
Communication”
Higher-level device
Station number 01
(arbitrary)
Station number 02
(arbitrary)
Station number 10
(arbitrary)
Station number 20
(arbitrary)
Maximum communication distance: 1200 m
Maximum number of slave stations to be connected: 31
(Example)
See
Connect a higher-level device with PR300
Subsection 2.3.1
“Wiring for RS-485 Communication”
See
Create communication programs for the
higher-level device to perform
communication
Chapter 3
“Procedures for Setting PR300 Functions”
For communication protocol, see
Chapter 4
“PC Link Communication Protocol”
Chapter 5
“
Modbus/RTU and ASCII Communication Protocols ”
Chapter 8
“PR201 Original Communication Protocol”
For data storage location, see
Chapter 7
“Functions and Usage of D Registers”
See
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3