Allen-Bradley PowerFlex 520 Series User Manual

Rockwell Automation Publication 520-UM001G-EN-E - September 2014 193
RS485 (DSI) Protocol Appendix C
Writing (06) Comm
Frequency Command
The PowerFlex 520-series drive Comm Frequency Command can be controlled
through the network by sending Function Code 06 writes to register address
2001H (Comm Frequency Command).
Reading (03) Logic Status
Data
The PowerFlex 520-series drive Logic Status data can be read through the
network by sending Function Code 03 reads to register address 2100H (Logic
Status). PowerFlex 523 drives support only Velocity bit definitions.
PowerFlex 525 drives can use Parameter C122
[Cmd Stat Select] to select either
Velocity or Position bit definitions.
Position Bit Definitions
Comm Logic Command – C122 = 1 “Position”
Address (Decimal) Bit(s) Description
2000H (8192) 0 1 = Stop, 0 = Not Stop
1 1 = Start, 0 = Not Start
2 1 = Jog, 0 = No Jog
3 1 = Clear Faults, 0 = Not Clear Faults
5, 4 00 = No Command
01 = Forward Command
10 = Reverse Command
11 = No Command
61 = Logic In 1
71 = Logic In 2
10, 9, 8 000 = Freq. and Position Step 0
001 = Freq. and Position Step 1
010 = Freq. and Position Step 2
011 = Freq. and Position Step 3
100 = Freq. and Position Step 4
101 = Freq. and Position Step 5
110 = Freq. and Position Step 6
111 = Freq. and Position Step 7
11 1 = Find Home
12 1 = Hold Step
13 1 = Pos Redefine
14 1 = Sync Enable
15 1 = Traverse Disable
Comm Frequency Command
Reference
Address (Decimal) Description
2001H (8193) Used by internal comm modules to control the reference of the drive. In units of
0.01 Hz.

Allen-Bradley PowerFlex 520 Series Specifications

General

Brand	Allen-Bradley
Model	PowerFlex 520 Series
Category	DC Drives
Language	English