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Instruction Manual IM02602008E - Rev. D
Transformer Temperature Controllers
IM02602008E - Rev. D May 2019 www.eaton.com
Modbus Table 1 - Modbus Read Only Parameters (Cont’d)
Function
Code
Register
Address
(Decimal)
Register
Address
(Hex)
Register Type
Parameter Description
Data Range (Units)
Number of
Bytes
3
40019
13
Read Only
Relay Status
bit 0 = 1 = Some other bit is 1
bit 1 = 1 = ON,FAN1 Relay state
bit 2 = 1 = ON,FAN2 Relay state
bit 3 = 1 = ON,Alarm Relay state
bit 4 = 1 = ON,Trip Relay state
bit 5 = 1 = ON, Buzzer State
2
3
40020
14
Read Only
Serial Number
1 to 65535
2
3
40021
14
Read Only
Data Code
packed BCD yyyymmddy
4
3
40023
17
Read Only
Device Type
1 - TC-100
2 - TC-50 Modbus
TC - 50
2
† = TC-100 Only
Modbus Table 2 - Modbus Write Only Parameters
Function
Code
Register
Address
(Decimal)
Register
Address
(Hex)
Register Type
Parameter Description
Data Range
Number of
Bytes
6/16
40033
21
Write Only
FAN Control
1 - toggles ON/OFF
2
6/16
40034
22
Write Only
Buzzer Control
1 - toggles ON/OFF
2
Modbus Table 3 - Modbus Read/Write Parameters
Function
Code
Register
Address
(Decimal)
Register
Address
(Hex)
Register Type
Parameter Description
Data Range
Number
of Bytes
Code
40071
47
Read/Write
Reset Menu Password
Change
4 digits, 0-9 and A-F
4
Modbus Table 4 - Modbus Configurations
Function
Code
Register
Address
(Decimal)
Register
Address
(Hex)
Register Type
Parameter Description
Data Range
Number
of Bytes
3/6/16
40101
65
Read/Write
Display Mode
0 – Scroll
1 – Max
2
3/6/16
40102
66
Read/Write
Temp Display Unit
0 – C
1 – F
2
3/6/16
40103
67
Read/Write
Transformer Type
0 – Dry
1 – Caste
2
3/6/16
40104
68
Read/Write
Modbus Baudrate
0 = 9600
1 = 19.2k
2 = 38.4k
2