Omron SYSMAC CP Series Instruction & Reference Manual page 185

Operation of @++(590)/@++L(591)
The up-differentiated variation is used in the following example, so the content of D100 will be incre-
mented by 1 only when CIO 0.00 has gone from OFF to ON.
0.00
@ ++
D100
The up-differentiated variation is used in the following example, so the content of D101 and D100 will be
incremented by 1 only when CIO 0.00 has gone from OFF to ON.
0.00
@++L
D100
CP1E CPU Unit Instructions Reference Manual(W483)
Incremented every cycle
while CIO 0.00 is ON.
Wd: D100 Wd: D100
+ 1
0 0 1 9 0 0 1 A
Incremented only for
up-differentiation.
Wd+1: D101 Wd: D100
0 0 0 0 F F F F +1
: Execution of @++(590) or @++L(591)
0.00
Increment
Wd+1: D101 Wd: D100
0 0 0 1 0 0 0 0
Increment
2 Instructions
2
2-149