Program Branch Instructions - Mitsubishi MELSEC Q Series Programming Manual

2.4.5

Program branch instructions

Category
CJ
SCJ
Jump
JMP
GOEND
2.4.6
Program execution control instructions
Category
Disable
DI
interrupts
Enable
EI
interrupts
Interrupt
disable/
IMASK
enable
setting
Return IRET
2.4.7
I/O refresh instructions
Category
RFS
I/O
Refresh
RFSP
Table 2.14 Program Branch Instructions
Symbol
• Jumps to Pn when input conditions are
CJ Pn
met.
• Jumps to Pn from the scan after the
SCJ Pn
meeting of input condition.
• Jumps unconditionally to Pn.
JMP Pn
• Jumps to END instruction when input
GOEND
condition is met.
Table 2.15 Program Execution Control Instructions
Symbol
• Prohibits the running of an interrupt
DI
program.
• Resets interrupt program execution
EI
prohibition.
• Inhibits or permits interrupts for each
IMASK S
interrupt program.
• Returns to sequence program from an
IRET
interrupt program.
Table 2.16 I/O Refresh Instructions
Symbol
RFS S n
• Refreshes the relevant I/O area during
scan.
RFSP S n
Processing Details
Processing Details
Processing Details
Execution
Condition
2
6-132
2
2
1 - 6-135
Execution
Condition
1 -
1 -
6-136
2 -
1 - 6-143
Execution
Condition
3 - 6-145
2-27
2
3
4
4
6
7
8