Appendices
CM-2201/CM-2202
Appendix E
Modbus Address List
©2018 Nelson Heat Tracing Systems
www.nelsonheaters.com
GA2497 Rev.6
30
D.2 Module Monitoring Group (Read Only)
40045
44
2 System Temp in °F
= x per °F
= 32765 if RTD Fail
= 32763 if Undetected *
40046
45
2 System Temp in °C
= x per °C
= 32765 if RTD Fail
= 32763 if Undetected *
40047
46
2 RTD-A Temp in °F
= x per °F
= 32765 if RTD Fail
= 32763 if Undetected *
40048
47
2 RTD-A Temp in °C
= x per °C
= 32765 if RTD Fail
= 32763 if Undetected *
40049
48
2 RTD-B Temp in °F
= x per °F
= 32765 if RTD Fail
= 32763 if Undetected *
40050
49
2 RTD-B Temp in °C
= x per °C
= 32765 if RTD Fail
= 32763 if Undetected *
40051
50
2 Heater Power
= x per 10%
40052
51
2 Current
= x per 0.1A
= 32766 if Out of Range
40053
52
2 Reserved
40054
53
2 GF Current
= x per 1mA= 32766 if Out of
Range
40055
54
2 Voltage
= x per 1V
= 32766 if Out of Range
40056
55
2 Heater status
= 1 on
= 0 off
40057
56
2 Max Temp in °F
= x per °F
= 32765 if RTD Fail
= 32763 if Undetected *
40058
57
2 Max Temp in °C
= x per °C
= 32765 if RTD Fail
= 32763 if Undetected *
40059
58
2 Min Temp in °F
= x per °F
= 32765 if RTD Fail
= 32763 if Undetected *