Rockwell Automation Publication 1756-RM003N-EN-P - October 2011 427
Array (File)/Shift Instructions (BSL, BSR, FFL, FFU, LFL, LFU) Chapter 9
Example: When enabled, the LFL instruction loads value_1 into the next position in the
LIFO, which is array_dint[5] in this example.
Before LIFO load After LIFO load
array_dint[0] 00000 00000
11111 11111
22222 22222
33333 control_1.pos = 5 33333
44444 value_1 = 55555 44444
array_dint[5]
00000 55555
00000 00000 control_1.pos = 6
00000 00000
00000 00000
00000 00000
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