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Schneider EcoStruxure with HMITool via Modbus RTU RS485 (Zelio, M221, M241, M258, M251, M262, M340, M580)
If you are looking to use the Schneider EcoStruxure software to configure Modbus RTU RS485 communication with our HMIs using the HMITool software, then you are on the right page!
Modbus configuration on PLC
Register management between EcoStruxure and HMITool
Register name on EcoStruxure | Register name on HMITool | |
Memory word | %MW… | 3x… to read |
4x… to write | ||
Memory bit | %M… | 0x… |
Note: For writing ASCII characters from the HMI (with ASCII Entry function) to PLC
2 ASCII characters = 1 memory word (2 characters = 16 Bits)
Then the other characters are written on the memory words in succession
Ressources
EcoStreuxure .smbp file example: download
HMI-Tool .skm file example: download