Powerflex 750-series drives, Logic command word – Rockwell Automation 20-COMM-R Remote I/O Adapter User Manual
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Logic Command/Status Words
D-5
20-COMM-R Remote I/O Adapter User Manual
Publication 20COMM-UM004D-EN-P
PowerFlex 750-Series Drives
Important: When using a 20-COMM-R adapter with a PowerFlex
750-Series drive, the upper word (bits 16…31) of the Logic
Command and Logic Status words are not accessible and
cannot be used.
Logic Command Word
Logic Bits
31…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)
0 = Not Start
1 = Start
x
Jog 1
(2)
0 = Not Jog 1 (Par. 556)
1 = Jog 1
x
Clear Fault
(3)
0 = Not Clear Fault
1 = Clear Fault
x
x
Unipolar
Direction
00 = No Command
01 = Forward Command
10 = Reverse Command
11 = Hold Direction Control
x
Manual
0 = Not Manual
1 = Manual
x
Reserved
x
x
Accel Time
00 = No Command
01 = Use Accel Time 1 (Par. 535)
10 = Use Accel Time 2 (Par. 536)
11 = Use Present Time
x
x
Decel Time
00 = No Command
01 = Use Decel Time 1 (Par. 537)
10 = Use Decel Time 2 (Par. 538)
11 = Use Present Time
x
Ref Select 1
000 = No Command
001 = Ref A Select (Par. 545)
010 = Ref B Select (Par. 550)
011 = Preset 3 (Par. 573)
100 = Preset 4 (Par. 574)
101 = Preset 5 (Par. 575)
110 = Preset 6 (Par. 576)
111 = Preset 7 (Par. 577)
x
Ref Select 2
x
Ref Select 3
x
Reserved
(1)
A Not Stop condition (logic bit 0 = 0) must first be present before a 1 = Start condition will start the drive.
(2)
A Not Stop condition (logic bit 0 = 0) must first be present before a 1 = Jog 1/Jog 2 condition will jog the drive. A transition to a ‘0’ will stop
the drive.
(3)
To perform this command, the value must switch from ‘0’ to ‘1’.