Allen-Bradley Logix5000 Reference Manual page 401

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

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If you want to

Load bits into, shift bits through, and unload

bits from a bit array one bit at a time

Load and unload values in the same order

Load and unload values in reverse order

Array (File)/Shift Instructions

(BSL, BSR, FFL, FFU, LFL, LFU)

Bit Shift Left (BSL)

Bit Shift Right (BSR)

FIFO Load (FFL)

FIFO Unload (FFU)

LIFO Load (LFL)

LIFO Unload (LFU)

Use the array (file)/shift instructions to modify the location of data within arrays.

Use this instruction

You can mix data types, but loss of accuracy and rounding errors might occur.

For relay ladder instructions, bold data types indicate optimal data types. An

instruction executes faster and requires less memory if all the operands of the

instruction use the same optimal data type, typically DINT or REAL.

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

Available in these languages

Relay ladder

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