Rockwell Automation Publication 520-UM001A-EN-E - February 2013 177
RS485 (DSI) Protocol Appendix C
Writing (06) Comm
Frequency Command
The PowerFlex 525 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 525 Logic Status data can be read through the network by
sending Function Code 03 reads to register address 2100H (Logic Status).
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.
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