Logic command word, Appendix c, Logic command/status words: powerflex 520-series – Rockwell Automation 25-COMM-P PowerFlex PROFIBUS DPV1 Adapter User Manual
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Rockwell Automation Publication 520COM-UM004A-EN-E - November 2013
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Appendix
C
Logic Command/Status Words: PowerFlex 520-
Series Drives
Appendix C presents the definitions of the Logic Command and Logic Status
words that are used for PowerFlex 520-series drives. PowerFlex 523 drives
support only Velocity bit definitions. PowerFlex 525 drives can use
Host
parameter C122 [Cmd Stat Select] to select either Velocity or Position bit
definitions.
Logic Command Word
Velocity Bit Definitions
Comm Logic Command – C122 = 0 “Velocity”
Logic Bits
15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
Command
Description
x
Normal Stop
0 = Not Normal Stop
1 = Normal Stop
x
Start
(1)
(1) A Not Stop condition (logic bit 0 = 0) must first be present before a 1 = Start condition will start the drive.
0 = Not Start
1 = Start
x
Jog 1
(2)
(2) A Not Stop condition (logic bit 0 = 0) must first be present before a 1 = Jog condition will jog the drive. A transition to a “0” will stop
the drive.
0 = Not Jog
1 = Jog
x
Clear Fault
(3)
(3) To perform this command, the value must switch from “0” to “1.”
0 = Not Clear Fault
1 = Clear Fault
x
x
Unipolar Direction
00 = No Command
01 = Forward Command
10 = Reverse Command
11 = No Command
x
Keypad
0 = Not Force Keypad Control
1 = Force Keypad Control
x
MOP Increment
0 = Not MOP Increment
1 = MOP Increment
x
x
Accel Time
00 = No Command
01 = Use Accel Rate 1 (P041 [Accel Time 1])
10 = Use Accel Rate 2 (A442 [Accel Time 2])
11 = Hold Accel Rate Selected
x
x
Decel Time
00 = No Command
01 = Use Decel Rate 1 (P042 [Decel Time 1])
10 = Use Decel Rate 2 (A443 [Decel Time 2])
11 = Hold Decel Rate Selected
x
Ref Select 1
000 = No Command
001 = Freq. Source = P047 [Speed Reference1]
010 = Freq. Source = P049 [Speed Reference2]
011 = Freq. Source = P051 [Speed Reference3]
100 = A410 [Preset Freq 0]
101 = A411 [Preset Freq 1]
110 = A412 [Preset Freq 2]
111 = A413 [Preset Freq 3]
x
Ref Select 2
x
Ref Select 3
x
MOP Decrement
0 = Not MOP Decrement
1 = MOP Decrement