Univex 5100-02-IT - Manual (Page 43)

Model 5100-02-IT Combustible Gas Sensor Module
Page: 41
Command Specific Response Data Bytes
Byte Format Description
0 Unsigned-8 Returns new Gas Factor value
Command 150: Write MODBUS RTU Register
This command allows the writing of sensor module data as defined in the MODBUS RTU register map.
Request Data Bytes
Byte Format Description
0-1 Unsigned-16 Address of Designated Modbus Register
40001 = lowest address
65535 = highest address
2-3 Unsigned-16 Data for Designated Modbus Register
Command Specific Response Data Bytes
Byte Format Description
0-1 Unsigned-16 Returns MODBUS register value
Version 1.20 Updated 30 January 2012