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Fig. 149 Json response message
9.5.2. Modbus slave address and register mapping
This function is very useful in data query and only used in modbus TCP/RTU query mode. When user select Modbus TCP/RTU query
mode to get data, the M100 gateway will be confused if there are the same slave address in different serial port or same register
address in different slave devices. All slave devices and registers on a gateway are planned and managed in a unified manner.
For example, user can map slave address 1 in Port1 to slave 1 in M100 gateway, map slave address 1 in Port2 to slave 2 in M100
gateway.
Fig. 150 Same slave ID and register address
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General