Appendix D—Modbus Register Map
366
Power Xpert C445 Global Motor Management Relay
MN042003EN—January 2019
www.eaton.com
1084
Start Threshold Percent
UINT8 RW NV
Default: 30
Range: 1 to 100
Units: %
Config CRC
Run Lock
Admin Lock
USB Lock
Backup Mem
The C445 recognizes a motor Start when it measures motor current
exceeding 30% of the FLA setting by default.
1085
Stop Threshold Percent
UINT8 RW NV
Default: 5
Range: 1 to 50
Units: %
Config CRC
Run Lock
Admin Lock
USB Lock
Backup Mem
A motor Stop is recognized when the current falls below 5% of the FLA
setting by default.
1086
Transition Threshold
Percent
UINT8 RW NV
Default: 115
Range: 25 to 200
Units: %
Config CRC
Run Lock
Admin Lock
USB Lock
Backup Mem
Motor Transition to Run Threshold Percent.
1087
Trip Indication Only Enable
BYTE RW NV
Array size: 4
Default: 0x00, 0x00, 0x00,
0x00
Bitfield
Config CRC
Run Lock
Admin Lock
USB Lock
Backup Mem
Enable trip indication only by selecting the box next to each protection to
place a check mark in it. Each protection selected will enable those
protections but will not cause the C445 control to drop out when trip
occurs.
Table 128. C445 Modbus Register Map, continued
Register
Name
Attribute
Description
Bit
Description
Coil
0
Under voltage
17377
1
Over voltage
17378
2
Not Implemented
17379
3
Ground current fault
17380
4
Current phase loss
17381
5
Current unbalance
17382
6
Instantaneous over current
17383
7
Jam
17384
8
Power factor deviation
17385
9
Voltage phase loss
17386
10
Voltage unbalance
17387
11
Frequency deviation fast
17388
12
Frequency deviation slow
17389
13
Under current
17390
14
High power
17391
15
Low power
17392
16
Reserved
17393
17
Starts limit exceeded
17394
18
Overload
17395