Rockwell Automation Publication 1756-RM003N-EN-P - October 2011 355
Array (File)/Misc. Instructions (FAL, FSC, COP, CPS, FLL, AVE, SRT, STD, SIZE) Chapter 8
Postscan The rung-condition-out is set to false.
Condition Relay Ladder Action
Examine .EN bit.
.EN Bit = 1
.EN Bit = 0
.POS = .POS + 1
.POS ≥ .LEN
Yes
No
Examine
internal bit.
Bit = 1
Bit = 0
Internal bit is set.
Numeric
Mode
Common
.POS = .POS - 1
.POS = 0
Yes
No
.DN bit is set.
.EN bit is set.
Rung-condition-out is set
to true.
End
.LEN ≥ mode
Yes
No
Mode = .LEN
.EN bit is set.
loop_count = .LEN - .POS
Mode
≥
loop_count
No
.EN bit is set.
Loop_count = mode
Yes
page 352
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