Rockwell Automation 22C PowerFlex 400 AC Drive FRN 1.xx - 7.xx - Manual (Page 194)

E-4 Modbus RTU Protocol
PowerFlex 400 Adjustable Frequency AC Drive FRN 1.xx - 7.xx User Manual
Publication 22C-UM001I-EN-P
Writing (06) Reference
The Speed Reference to a PowerFlex 400 drive can be controlled via the
network by sending Function Code 06 writes to register address 8193
(Reference). P038 [Speed Reference] must be set to 5 “Comm Port” in
order to accept the Speed Reference. In addition to being written,
register address 8193 can be read using Function Code 03.
Reading (03) Logic Status Data
The PowerFlex 400 Logic Status data can be read via the network by
sending Function Code 03 reads to register address 8448 (Logic Status).
Reading (03) Feedback
The Feedback (Output Frequency) from the PowerFlex 400 drive can be
read via the network by sending Function Code 03 reads to register
address 8451 (Feedback).
Reference
Address (Decimal) Description
8193
A decimal value entered as xxx.xx where the decimal point is fixed. For
example, a decimal “1000” equals 10.00 Hz and “543” equals 5.43 Hz.
Error Codes
Address (Decimal) Bit(s) Description
8448
0 1 = Ready, 0 = Not Ready
1 1 = Active (Running), 0 = Not Active
2 1 = Cmd Forward, 0 = Cmd Reverse
3 1 = Rotating Forward, 0 = Rotating Reverse
4 1 = Accelerating, 0 = Not Accelerating
5 1 = Decelerating, 0 = Not Decelerating
6 1 = Alarm, 0 = No Alarm
7 1 = Faulted, 0 = Not Faulted
8 1 = At Reference, 0 = Not At Reference
9 1 = Reference Controlled by Comm
10 1 = Operation Cmd Controlled by Comm
11 1 = Parameters have been locked
12 Digital Input 1 Status
13 Digital Input 2 Status
14 Digital Input 3 Status
15 Digital Input 4 Status
Feedback (1)
(1) Returns the same data as Reading (03) Parameter b001 [Output Freq].
Address (Decimal) Description
8451
A xxx.xx decimal value where the decimal point is fixed. For example, a
decimal “1234” equals 12.34 Hz and “300” equals 3.00 Hz.