RS485 (DSI) Protocol C-5
PowerFlex 4M Adjustable Frequency Drive FRN 1.xx - 2.xx User Manual
Publication 22F-UM001D-EN-E
Writing (06) Reference
The Speed Reference to a PowerFlex 4M drive can be controlled via the
network by sending Function Code 06 writes to register address 8193
(Reference).
P108 [Speed Reference] must be set to 5 “RS485 (DSI)
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 4M Logic Status data can be read via the network by
sending Function Code 03 reads to register address 8448 (Logic Status).
Reference
Address (Decimal) Description
8193
A decimal value entered as xxx.x where the decim
al point is fixed. For
example, a decimal “100” equals 10.0 Hz and “543” equals 54.3 Hz.
Logic Status
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 Not Used
15 Not Used
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