4. The following table shows how to set.
Note: this table also can be applied for the configuration of Modbus Read function block
Data format instruction
For the detail information about I, AI, Q, AQ, registers address of x-Messenger ,refer to the RTU protocol file.
6.5.34 Modbus read write
Short description:
This function block is developed for the new Ethernet PLC which has web server built-in, if you need use the
Ethernet as master PLC, so block should be applied into the program.
For the CPU with "-N" type, the hardware version number is 1(built-in webserver type). If your CPU hardware
version is not 1 and without webserver built-in, you can still use the modbus read and modbus write block to
establish the communication.
You can get the hardware version number by Tools-> transfer-> get PLC version number.
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