Logic Command/Status Words; Powerflex 7-Class Drives (Except Powerflex 700S - Allen-Bradley 1769-SM1 User Manual

Logic Command/Status Words

Appendix E provides the definitions of the Logic Command/Logic Status
words that are used for some drives that can be connected to the
1769-SM1. If your product is not included here, refer to its documentation.

PowerFlex 7-Class Drives (except PowerFlex 700S)

Logic Command Word
Logic Bits
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Command Description
x x
x x x
x
(1)
A "0 = Not Stop" condition (logic 0) must first be present before a "1 = Start" condition will start the drive. The Start
command acts as a momentary Start command. A "1" will start the drive, but returning to "0" will not stop the drive.
(2)
This Start will not function if a digital input (parameters 361-366) is programmed for 2-Wire Control (option 7, 8 or 9).
(3)
This Reference Select will not function if a digital input (parameters 361-366) is programmed for "Speed Sel 1, 2 or 3"
(option 15, 16 or 17). Note that Reference Select is "Exclusive Ownership" - see drive User Manual for further information.
x x
x
x
x x
(1)
x Stop
(1)(2)
x Start
x Jog
x Clear Faults 0 = Not Clear Faults
Direction
Local
Control
MOP
Increment
Accel Rate 00 = No Command
Decel Rate 00 = No Command
Reference
(3)
Select
MOP
Decrement
Appendix
0 = Not Stop
1 = Stop
0 = Not Start
1 = Start
0 = Not Jog
1 = Jog
1 = Clear Faults
00 = No Command
01 = Forward Command
10 = Reverse Command
11 = Hold Direction Control
0 = No Local Control
1 = Local Control
0 = Not Increment
1 = Increment
01 = Accel Rate 1 Command
10 = Accel Rate 2 Command
11 = Hold Accel Rate
01 = Decel Rate 1 Command
10 = Decel Rate 2 Command
11 = Hold Decel Rate
000 = No Command
001 = Ref. 1 (Ref A Select)
010 = Ref. 2 (Ref B Select)
011 = Ref. 3 (Preset 3)
100 = Ref. 4 (Preset 4)
101 = Ref. 5 (Preset 5)
110 = Ref. 6 (Preset 6)
111 = Ref. 7 (Preset 7)
0 = Not Decrement
1 = Decrement
E