â—† Msystem R7 series small point input and output unit
1. Series The R7 series small point I/O unit is a remote expansion module based on Modbus RTU/TCP and consists of a basic unit (up to one additional expansion unit).
An example of a software screen
â—† Communication connection
2. Software settings
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According to the previous settings, the status of the extended output 0, 1, etc. needs to be opened by M1, and the Modbus-TCP is used to write (update status) the extended output module to achieve