Yokogawa PR300 Power and Energy Meter - Manual (Page 10)

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IM 77C01E01-10E
2. Setup
This chapter describes how to set up the PR300, which is equipped with RS-485
communication as a standard feature.
When using an Ethernet-equipped model, either RS-485 or Ethernet can be selected
by parameter setting for communications.
For details of use of RS-485 communication, see subsection 2.1.1 “Procedure for
RS-485 Communication.”
For details of use of the Ethernet communication, see subsection 2.1.2 “Procedure
for Ethernet Communication.”
For details of use of the Ethernet-serial gateway function, see subsection 2.1.3
“Procedure for Ethernet-Serial Gateway Function.”
2.1 Setup Procedure
Set up the communication functions on the PR300 as follows:
WARNING
To avoid an electric shock, be sure to turn off the power supply source to the equipment
involved before you start wiring.
Note: Create communication programs referring to the user’s manual for communications of each higher-level device.
Higher-level devices : PCs, PLCs (sequencers), and others.