Omron CJ - INSTRUCTIONS Reference Manual page 384

3. Instructions
Operation of @++B(594)/@++BL(595)
The up-differentiated variation is used in the following example, so the content of D100 will be
incremented 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 incremented by 1 only when CIO 0.00 has gone from OFF to ON.
0.00
@++BL
D100
346
Incremented only for
up-differentiation.
Wd: D100 Wd: D100
Incremented only for
up-differentiation.
Wd+1: D101 Wd: D100
: Execution of @++B(594)/@++BL(595)
Increment
Wd+1: D101 Wd: D100
Increment
CS/CJ/NSJ Series Instructions Reference Manual (W474)