Allen-Bradley Logix5000

Rockwell Automation Publication 1756-RM003N-EN-P - October 2011 363
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
Rung-condition-in is true.
Rung-condition-out is
set to true.
Examine .IN bit.
.DN Bit = 0
.DN Bit = 1
.LEN = 0
No
Yes
INC Mode
No
yes
ALL mode
No
Yes
Loop_count =
Loop_count - 1
Loop_count < 0
No
yes
.POS = .POS + 1
Evaluate Comparison
.POS = .POS + 1
Match
No
Yes
.EN bit is set.
.FD bit is set.
.POS = .LEN
No
Yes
.DN bit is set.
.POS = .POS + 1
Examine .ER bit.
.ER Bit = 0
.ER Bit = 1
.DN bit is set.
.EN bit is set.
INC
Mode
ALL
Mode
Numeric
Mode
Common
page 355
page 353
page 354
.LEN < 0 or
.POS < 0
Yes
No
Major Fault
Examine .DN bit.
.DN Bit = 1
.IN Bit = 0
.DN Bit = 0