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Model 5100-28-IT Combustible Gas Sensor Module
Page: 42
Command 143: Read MODBUS RTU Register
This command allows the reading of sensor module data as defined in the MODBUS RTU register map.
Request Data Bytes:
Byte Format Description
0-1 Unsigned-16 Address of Requested Modbus Register
40001 = lowest address
65535 = highest address
Command Specific Response Data Bytes:
Byte Format Description
0-1 Unsigned-16 Returns contents of selected Modbus Register
Command 144: Set Transducer Serial Number
This command allows user to add a device specific serial number, if required. This is different from the serial
number assigned by the Manufacturer.
Request Data Bytes:
Byte Format Description
0-2 Unsigned-24 Serial Number
Command Specific Response Data Bytes:
Byte Format Description
0-2 Unsigned-16 Returns new Serial Number
Command 145: Set Calibration Mode output current
Request Data Bytes:
Byte Format Description
0-1 Unsigned-16 Current output required during calibration, in
micro-amperes
Command Specific Response Data Bytes:
Byte Format Description
0-1 Unsigned-16 Returns new Calibration current value
Command 146: Set Trouble Mode output current
Request Data Bytes:
Byte Format Description
0-1 Unsigned-16 Current output required to indicate Trouble, in
micro-amperes
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