Stop Instruction; Stopping The Sequence Program - Mitsubishi Electric MELSEC iQ-R Series Programming Manual

5.7

Stop Instruction

Stopping the sequence program

STOP
RnPCPU RnPCPU
RnCPU RnENCPU
(Process) (Redundant)
This instruction stops the operation of the CPU module. (The operation of this instruction is the same as setting the switch of
the CPU module to the STOP position.)
Ladder
FBD/LD
EN ENO
■Execution condition
Instruction
STOP
Processing details
• This instruction resets the output (Y) and stops the operation of the CPU module when the execution command turns on.
(The operation of this instruction is the same as setting the switch of the CPU module to the STOP position.)
• To restart the operation of the CPU module after execution of the STOP instruction, set the switch back to STOP, and then
set it to RUN again.
Operation error
Error code Description
(SD0)
3340H After execution of the FOR instruction, the STOP instruction is executed before the NEXT instruction.
3381H After execution of the CALL(P), FCALL(P), ECALL(P), EFCALL(P), or XCALL instruction, the STOP instruction is executed before the
RET instruction.
33A1H Within the interrupt program specified by the interrupt pointer (I), the STOP instruction is executed before the IRET instruction.
33A3H The STOP instruction is executed within a fixed scan execution type program.
33A4H The STOP instruction is executed within an event execution type program.
RnSFCPU RnSFCPU
(Standard) (Safety)
Execution condition
ST
ENO:=STOP(EN);
5 SEQUENCE INSTRUCTIONS
215
5.7 Stop Instruction
5