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Instruction Manual IM02602008E - Rev. D
Transformer Temperature Controllers
IM02602008E - Rev. D May 2019 www.eaton.com
Modbus Table 5 - Modbus Logs
Function
Code
Register
Address
(Decimal)
Register
Address
(Hex)
Register Type
Parameter Description
Data Range (Units)
Number
of Bytes
3
40201 - 40207, †
40208 - 40214,
. . . .
40894 - 40900
C9 – CF
D0 - D6,
. . . .
37E – 384
Read Only
Trend Log
The data format for this log is detailed
below.
14
Bytes (7
Registers)
Per Each
Record
100
Records
Max.
3
40901 - 40908, †
40909 - 40916,
. . . .
41093 - 41100
385 – 38C
38D – 394,
. . . .
445 – 44C
Read Only
Trip Log
The data format for this log is detailed
below.
16
Bytes (8
Registers)
Per Each
Record,
25
Records
Max.
3
41101 – 41108 †
41109 - 41116
. . . .
41293 - 41300
44D – 454,
455 – 45C
50D – 514
Read Only
Alarm Log
Alarm Log
16
Bytes (8
Registers)
Per Each
Record
25
Records
Max.
† = TC-100 Only
The data format for each log is detailed below.
Trend Log Format (14 Bytes)
Byte Number
Description
Data Range
1
Series Number
1-100
2
Winding 1 Temperature
0-255 °C
3
Winding 2 Temperature
0-255 °C
4
Winding 3 Temperature
0-255 °C
5
Ambient Temperature
0-255 °C
6
Temperature Unit Setting at Time of Log Entry
0= °C, 1= °F
7
Time Stamp – Hour
0-23
8
Time Stamp – Minute
0-59
9
Time Stamp – Second
0-59
10
Time Stamp – Month
1-12
11
Time Stamp – Day
1-31
12-13
Time Stamp – Year
2000-3000
14
Record Separator
255
