Linx Technologies HUM-xxx-DT - Manual (Page 23)

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Read Module Serial Number - Command Code = 33
This command reads out the module’s serial number.
The serial number is set at the factory and cannot be changed. Every DT
Series module manufactured by Linx has a unique serial number. This is
different from the module address. SN3 is the MSB and SN0 is the LSB in
the number.
Read Device Name - Command Code = 31
This command returns the name of the module.
The Device Name is “HUM-900-DT”. The bytes that are output correspond
to the ASCII values associated with the characters. They are terminated by
a 00 control character. For example, the response is:
3C 31 48 55 4D 2D 39 30 30 2D 44 54 00 3E
Read Firmware Version - Command Code = 32
This command reads out the module’s firmware version.
FW3 is the MSB and FW0 is the LSB in the number.
Read Device Name Command and Response
Command
Start Command End
3C 31 3E
Response
Start Response Param 1 ... Param 11 End
3C 31 Name0 ... Name11 3E
Figure 41: Read Device Name Command and Response
Read Firmware Version Command and Response
Command
Start Command End
3C 32 3E
Response
Start Response Param 1 Param 2 Param 3 Param 4 End
3C 32 FW3 FW2 FW1 FW0 3E
Figure 42: Read Firmware Version Command and Response
Read Module Serial Number Command and Response
Command
Start Command End
3C 33 3E
Response
Start Response Param 1 Param 2 Param 3 Param 4 End
3C 33 SN3 SN2 SN1 SN0 3E
Figure 43: Read Module Serial Number Command and Response