DEC instruction on Omron PLC : Decrement BCD
Decrements the memory data specified by the operand by 1.
Variations: Differentiate Up DEC
Purpose:
DEC(091) decrements Wd, without affecting CY.
Further information can be found in BCD calculations.
Operand Data Areas:
Wd: Decrement word CIO, G, A, DM, DR, IR
make Ladder Diff.Up DEC :
