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Instruction Manual IM02602008E - Rev. D
Transformer Temperature Controllers
IM02602008E - Rev. D May 2019 www.eaton.com
Appendix B - Modbus Registers
Table 1 - Modbus Read Only Parameters
Function
Code
Register
Address
(Decimal)
Register
Address
(Hex)
Register Type
Parameter Description
Data Range (Units)
Number of
Bytes
3
40001
1
Read Only
FAN1 Wear Time
0 – 65000 (hours)
2
3
40002
2
Read Only
FAN2 Wear Time
0 – 65000 (hours)
2
3
40003
3
Read Only
FAN1 Max On Time
0 – 3600 (hours)
2
3
40004
4
Read Only
FAN2 Max On Time
0 – 3600 (hours)
2
3
40005
5
Read Only
Firmware Version
1 to 100
2
3
40006
6
Read Only
Hardware Version
1 to 100
2
3
40007
7
Read Only
Winding 1 Temperature
0 – 255 (°C or °F *)
2
3
40008
8
Read Only
Winding 2 Temperature
0 – 255 (°C or °F *)
2
3
40009
9
Read Only
Winding 3 Temperature
0 – 255 (°C or °F *)
2
3
40010
A
Read Only
Ambient Temperature
0 – 255 (°C or °F *)
2
3
40011
B
Read Only
Max Temperature
0 – 255 (°C or °F *)
2
3
40012
C
Read Only
Average Temperature
0 – 255 (°C or °F *)
2
3
40013
D
Read Only
Winding 1 Max Temperature
0 – 255 (°C or °F *)
2
3
40014
E
Read Only
Winding 2 Max Temperature
0 – 255 (°C or °F *)
2
3
40015
F
Read Only
Winding 3 Max Temperature
0 – 255 (°C or °F *)
2
3
40016
10
Read Only
Ambient Max Temperature
0 – 255 (°C or °F *)
2
3
40017
11
Read Only
Phase With Maximum
Temperature
bit 0 is always a 1
bit 1 = 1 = Winding 1
bit 2 = 1 = Winding 2
bit 3 = 1 = Winding 3
2
3
40018
12
Read Only
Diagnostic Status
bit 0 = 1 = Some other bit is 1
bit 1 = 1 = Over
bit 2 = 1 = Air Flow not Detected
bit 3 = 1 = Temperature Decrease not
Detected
bit 4 = 1 = EEPROM Failure
bit 5 = 1 = Isothermal block Out of
Range
bit 6 = 1 = Fan WearOut
bit 7 = 1 = Max Fan On Time
bit 8 = 1 = Open Circuit Alarm
bit 9 = 1 = Reverse Circuit Alarm
bit 10 = 1 = FRAM Alarm
2