Rockwell Automation Allen-Bradley PowerFlex 520 Series - Writing (06) Comm Frequency Command

Rockwell Automation Publication 520-UM001K-EN-E - August 2021 207
Appendix C RS485 (DSI) Protocol
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).
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
6 1 = Logic In 1
7 1 = 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.