Mitsubishi MELSEC iQ-F FX5 series

5 SEQUENCE INSTRUCTIONS
5.2 Association Instruction
105
5
Storing/reading/clearing the operation result
MPS, MRD, MPP
• MPS: This instruction stores the preceding operation result (ON/OFF) to memory.
• MRD, MPP: These instructions read the operation result stored by the MPS instruction, and executes operations from the
next step using that operation result.
Processing details
■MPS
• This instruction stores the preceding operation result (ON/OFF) to memory.
• This instruction can be used up to 16 times consecutively. When MPP instruction is used in between, the number of uses of
MPS instruction is decremented by 1.
■MRD
• This instruction reads the operation result stored by the MPS instruction to memory, and executes operations from the next
step using that operation result.
■MPP
• This instruction reads the operation result stored by the MPS instruction to memory, and executes operations from the next
step using that operation result.
• This instruction clears the operation result stored by the MPS instruction from memory.
• The number of uses of MPS instruction is decremented by 1.
Operation error
There is no operation error.
Ladder diagram Structured text
ENO:=MPS(EN);
ENO:=MRD(EN);
ENO:=MPP(EN);
MRD
MPS
MPP