Appendix D—Modbus Register Map
302
Power Xpert C445 Global Motor Management Relay
MN042003EN—January 2019
www.eaton.com
Appendix D—Modbus Register Map
C445 Modbus Register Map
Table 128. C445 Modbus Register Map
Register
Name
Attribute
Description
300
Motor Control Status
BYTE RO
Bitfield
Present Motor Control Status Bits (Running1, Running2, Remote, Tripped,
Warned).
301
I Phase A (L1) Scaled
UINT16 RO
Units: scaled A
Phase A (L1) Motor Current Scaled. Scaled by parameter “I Scale
Factor”.
302
I Phase B (L2) Scaled
UINT16 RO
Units: scaled A
Phase B (L2) Motor Current Scaled. Scaled by parameter “I Scale
Factor”.
303
I Phase C (L3) Scaled
UINT16 RO
Units: scaled A
Phase C (L3) Motor Current Scaled. Scaled by parameter “I Scale
Factor”.
304
Avg Current Scaled
UINT16 RO
Units: scaled A
Average motor Current Scaled. Scaled by parameter “I Scale Factor”.
305
I Scale Factor
UINT16 RO
This scale factor is applied to all current values monitored via a
communication network.
306
Current Unbalance
UINT8 RO
Units: %
Motor Current Unbalance Percent
307
GF Current RMS Scaled
UINT16 RO
Units: scaled A
Motor Ground Fault scaled current RMS. Scaled by parameter “I Scale
Factor”.
308
Thermal Capacity
UINT8 RO
Default: 0
Units: %
Thermal Capacity in Percent - An overload trip occurs when the Thermal
Capacity reaches 100%.
309
Time to Trip Overload
UINT16 RO
Units: seconds
Estimated Time for Overload to Reach Trip Threshold (100% Thermal
Memory)
310
Remaining Thermal
Capacity
UINT8 RO
Units: %
Thermal Capacity (Percent) Remaining to Trip
311
Time to Reset Overload
UINT16 RO
Units: seconds
Time for overload to reach reset threshold. The Thermal Memory must
drop below 75% (default value) before a reset is allowed.
Bit
Description
Coil
0
Running 1
4785
1
Running 2
4786
2
Remote enabled
4787
3
Faulted
4788
4
Warning
4789
5
Inhibited
4790
6
Ready
4791
7
Motor at speed
4792