Rockwell Automation 22A PowerFlex 4 User Manual FRN 6.xx - Manual (Page 97)

RS485 (DSI) Protocol C-5
Reading (03) Drive Error Codes
The PowerFlex 4 Error Code data can be read via the network by sending
Function Code 03 reads to register address 8449 (Drive Error Codes).
Reading (03) and Writing (06) Drive Parameters
To access drive parameters, the Modbus register address equals the
parameter number. For example, a decimal “1” is used to address
Parameter d001 [Output Freq] and decimal “39” is used to address
Parameter P039 [Accel Time 1].
Additional Information
Refer to http://www.ab.com/drives/ for additional information.
Logic Status
Address (Decimal) Value (Decimal) Description
8449
0 No Fault
2 Auxiliary Input
3 Power Loss
4 Undervoltage
5 Overvoltage
6 Motor Stalled
7 Motor Overload
8 Heatsink Overtemperature
12 HW Overcurrent (300%)
13 Ground Fault
29 Analog Input Loss
33 Auto Restart Tries
38 Phase U to Ground Short
39 Phase V to Ground Short
40 Phase W to Ground Short
41 Phase UV Short
42 Phase UW Short
43 Phase VW Short
63 Software Overcurrent
64 Drive Overload
70 Power Unit Fail
80 AutoTune Fail
81 Communication Loss
100 Parameter Checksum Error
122 I/O Board Fail