SST Automation GS11-MT, Руководство пользователя

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Input
Data
Buffer
Output
Data
Buffer
04H Function Code
06H Function Code
10H Function Code
03H Function Code
04H function code is used to read input data; 06H and 10H function codes are used to write output data; 03H
function code is used to read back output data, and then multiple Modbus TCP masters can exchange data using
this function code.