Rockwell Automation Publication 750-PM001N-EN-P - February 2017 237
Embedded Feature and Option Module Parameters Chapter 5
Logic Command/Status Words
Table 4 - Logic Command Word
Logic Bits
3
1
3
0
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1
9
1
8
1
7
1
6
1
5
1
4
1
3
1
2
1
1
1
0
9876543210Command 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
xx
Unipolar Direction 00 = No Command
01 = Forward Command
10 = Reverse Command
11 = Hold Direction Control
x
Manual 0 = Not Manual
1 = Manual
x
Reserved
xx
Accel Time 00 = No Command
01 = Use Accel Time 1 (Par. 535)
10 = Use Accel Time 2 (Par. 536)
11 = Use Present Time
xx
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
x
Coast Stop 0 = Not Coast to Stop
1 = Coast to Stop
x
Current Limit Stop 0 = Not Current Limit Stop
1 = Current Limit Stop
x
Run
(4)
0 = Not Run
1 = Run
x
Jog 2
(2)
0 = Not Jog 2 (Par. 557)
1 = Jog 2
x
Reserved
x
Reserved
x
Reserved
x
Reserved
x
Reserved
x
Reserved
x
Reserved
x
Reserved
x
Reserved
x
Reserved
x
Reserved
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.”
(4) A Not Stop condition (logic bit 0 = 0) must first be present before a 1 = Run condition will run the drive. A transition to a “0” will stop the drive.
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