Omron CJ - INSTRUCTIONS REFERENCE MANUAL 07-2009 Reference Manual page 378

Operation of @--B(596)/@--BL(597)
The up-differentiated variation is used in the following example, so the BCD content of D100 will be
decremented by 1 only when CIO 0.00 has gone from OFF to ON.
0.00
B
@
D100
The up-differentiated variation is used in the following example, so the BCD content of D101 and D100
will be decremented by 1 only when CIO 0.00 has gone from OFF to ON.
0.00
BL
@
D100
CS/CJ/NSJ Series Instructions Reference Manual (W474)
Decremented only
for up-differentiation.
Wd: D100 Wd: D100
1
Decremented only for
up-differentiation.
Wd+1: D101 Wd: D100
: Execution of @
Decrement
Wd+1: D101 Wd:
1
B(596)/@ BL(597)
Decrement
3. Instructions
D100
341
3