Nj-Series Instructions Reference Manual (W502 - Omron NJ501-1500 Reference Manual

• If you use the MC and MCR instructions and the JMP instruction together, the operation is as follows:
• The following figure shows an MC-MCR pair inside a JMP-Label pair. Here, the jump is executed
regardless of the value of In.
JMP instruction executed.
Not executed due
to JMP instruction.
Instructions after the label
are executed.
• The following figure shows a JMP-Label pair inside an MC-MCR pair. Here, operation is as given
in the following table.
Value of In
TRUE
FALSE
● In = TRUE
Flow of processing
MC instruction not executed.
JMP instruction executed.
Not executed due
to JMP instruction.
Instructions after the label
are executed.
MCR instruction not executed.

NJ-series Instructions Reference Manual (W502)

Flow of processing
Label
UINT#1
UINT#1
Label:
Operation
Master control region is not reset. The jump is made.
Master control region is reset. The jump is not made.
MC
In ENO
UINT#1 MCNo
Label
Label:
MCR
EN ENO
UINT#1 MCNo
2 Instruction Descriptions
MC
In ENO
MCNo
MCR
EN ENO
MCNo
● In = FALSE
Flow of processing
MC instruction
executed.
Not executed due
to MC instruction.
Label:
MCR instruction
executed.
MC
In ENO
MCNo
UINT#1
Label
MCR
EN ENO
MCNo
UINT#1
2-71
2