Energy Meter Manual

2-1

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.