Example of communication between Siemens S7200 and inverter MODBUS

Port0 on the S7-200 CPU supports the MODBUS RTU protocol, which can be used for communication with devices such as wireless data radios. The ModBus network consists of controllers and computers and supports a variety of data acquisition and monitoring.

S7-200 supports MODBUS RTU protocol

Port0 on the S7-200 CPU supports the MODBUS RTU protocol, which can be used for communication with devices such as wireless data radios.

MODBUS network structure

The ModBus network consists of controllers and computers, supporting a variety of data collection and monitoring.

From the station command

MODBUS RTU only supports Port0 on the CPU from the station instruction library, and specific software needs to be installed to use it.