My communication Line log
2018-03-18 09:44:08 Communication session with the Device 61 “recorder”, type KpModbus, call number: 192.168.22.248
Request element group “South Freezer”
Send (12): 00 00 00 00 00 06 00 03 03 FB 00 01
Receive (7/7): 00 00 00 00 00 05 00
Receive (4/4): 03 02 00 73
OK!
this is a positive number
2018-03-18 09:44:08 Communication session with the Device 61 “recorder”, type KpModbus, call number: 192.168.22.248
Request element group “South Freezer”
Send (12): 00 00 00 00 00 06 00 03 03 FB 00 01
Receive (7/7): 00 00 00 00 00 05 00
Receive (4/4): 03 02 FF 79
OK!
this is a negative number