C-6 RS485 (DSI) Protocol
PowerFlex 4M Adjustable Frequency Drive FRN 1.xx - 2.xx User Manual
Publication 22F-UM001D-EN-E
Reading (03) Feedback
The Feedback (Output Frequency) from the PowerFlex 4M drive can be
read via the network by sending Function Code 03 reads to register
address 8451 (Feedback).
Reading (03) Drive Error Codes
The PowerFlex 4M Error Code data can be read via the network by
sending Function Code 03 reads to register address 8449 (Drive Error
Codes).
Feedback
(1)
(1)
Returns the same data as Reading (03) Parameter d001 [Output Freq].
Address (Decimal) Description
8451
A xxx.x decimal value where the decimal poin
t is fixed. For example, a decimal
“123” equals 12.3 Hz and “300” equals 30.0 Hz.
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
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