Relay Ladder; Structured Text - Allen-Bradley Logix5000 Reference Manual

Chapter 7 Move/Logical Instructions (MOV, MVM, BTD, MVMT, BTDT, CLR, SWPB, AND, OR, XOR, NOT, BAND, BOR, BXOR, BNOT)
Initialize the tags.
Reverse the bytes.
Determine whether the SWPB instruction has acted on all the elements in the array.
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Relay Ladder

Structured Text

index := 0;
SIZE (array[0],0,array_length);
REPEAT
SWPB(array[index],REVERSE,array_bytes_reverse[index]);
index := index + 1;
UNTIL(index >= array_length)END_REPEAT;
Rockwell Automation Publication 1756-RM003N-EN-P - October 2011