Allen-Bradley Logix5000 Reference Manual page 421

1756 controllogix, 1768 compactlogix, 1769 compactlogix, 1789 softlogix, 1794 flexlogix, powerflex 700s with drivelogix

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When enabled, the FFU instruction unloads array_dint[0] into value_2 and

shifts the remaining elements in array_dint.

Before FIFO unload

array_dint[0]

array_dint[5]

Rockwell Automation Publication 1756-RM003N-EN-P - October 2011

Array (File)/Shift Instructions (BSL, BSR, FFL, FFU, LFL, LFU)

After FIFO unload

control_1.pos = 6

control_1.pos = 5

value_2 = 00000

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