Allen-Bradley Logix5000 Reference Manual

424 Rockwell Automation Publication 1756-RM003N-EN-P - October 2011
Chapter 9 Array (File)/Shift Instructions (BSL, BSR, FFL, FFU, LFL, LFU)
Execution:
Condition: Relay Ladder Action
Prescan
End
.EN bit is set to prevent a
false load when scan begins.
Rung-condition-out is set
to false.
.LEN < 0
Yes
No
.POS < 0
Yes
.EM is cleared.
.DN is cleared.
No
.POS = 0
Yes
No
.EM is set.
.POS ≥ .LEN
Yes
No
.DN is set.
.EM is set.

Allen-Bradley Logix5000 Specifications

General

Brand	Allen-Bradley
Model	Logix5000
Category	Controller
Language	English