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4-4
MODBUS and TCP communication
The MODBUS and RTU protocols developed by Modicon in the United States are compatible with the communication
MODBUS and TCP functions packaged with the TCP/IP protocols. Both master and slave functions are supported. The
server function uses the ERX and EWX commands.
4-4-1
Modbus/TCP functionality
The following data can be read and written in MODBUS/TCP communication.
・
Reading timer elapsed values and counter counts
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Reading and Writing Data Registers
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Reading and writing function memory such as I/O, internal relay, stage, etc.
・
The client (master) mode uses the ERX command and the EWX command.
Communication setting using the KPP tool
Select [PLC Settings] from the PLC view of the KPP tool, and then select [General Purpose Communication Port Settings].
Select a Port3 on the port and place a point in the Modbus TCP client server.
Clicking the Modbus TCP client server opens the following window.
Summary of Contents for Kostac SJ-Ether Series
Page 1: ...English version of the KOSTAC SJ Ether series user s manual SJ ETHER USER M...
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