5 SEQUENCE INSTRUCTIONS
5.2 Association Instructions
169
5
Storing/reading/clearing the operation result
MPS, MRD, MPP
• MPS: Storing the operation result
This instruction stores the operation result (on/off) immediately before the MPS instruction.
• MRD: Reading the operation result
This instruction reads the operation result stored by using the MPS instruction.
• MPP: Clearing the operation result
This instruction clears the operation result stored by using the MPS instruction.
■
Execution condition
Processing details
■
MPS
• This instruction stores the operation result (on/off) immediately before the MPS instruction.
• Up to 16 MPS instructions can be used consecutively. If the MPP instruction is used in the middle of the program, the
number of MPS instructions used is decremented by one.
■
MRD
• This instruction reads the operation result stored by using the MPS instruction, and performs operations from the next step
based on the operation result.
■
MPP
• This instruction reads the operation result stored by using the MPS instruction, and performs operations from the next step
based on the operation result.
• This instruction clears the operation result stored by using the MPS instruction.
• This instruction decrements the number of MPS instructions used in the program by one.
Ladder
ST
(In the ladder display, these instructions are hidden.)
ENO:=MPS(EN);
ENO:=MRD(EN);
ENO:=MPP(EN);
FBD/LD
Instruction
Execution condition
MPS
MRD
MPP
Every scan
RnCPU RnENCPU
RnSFCPU RnSFCPU
RnPCPU
RnPCPU
(Standard)
(Safety)
(Redundant)
(Process)
MRD
MPS
MPP
EN
ENO
Summary of Contents for MELSEC iQ-R Series
Page 1: ...MELSEC iQ R Programming Manual Instructions Standard Functions Function Blocks ...
Page 2: ......
Page 24: ...22 INDEX 2092 INSTRUCTION INDEX 2093 REVISIONS 2104 WARRANTY 2105 TRADEMARKS 2106 ...
Page 34: ...32 MEMO ...
Page 35: ...33 PART 1 PART 1 OVERVIEW This part consists of the following chapter 1 OVERVIEW ...
Page 68: ...66 1 OVERVIEW 1 5 Precautions on Programming MEMO ...
Page 1448: ...1446 14 REDUNDANT SYSTEM INSTRUCTIONS 14 2 Disabling Enabling System Switching MEMO ...
Page 1972: ...1970 33 TIME DATA TYPE FUNCTIONS 33 4 Division MEMO ...
Page 2067: ...APPX Appendix 5 PID Control Program Examples 2065 A 252 Set PID control data for loop 2 ...
Page 2109: ......