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Chapter 5 Instruction Specifications
5-23
Item number Basic instructions-15, 16, 17 Name Save/read/clear operation result (Branching of ladder)
Ladder format Condition code
Processing time (µs)
Remark
R7F4 R7F3 R7F2 R7F1 R7F0
Average Maximum
DER ERR SD V C
Save
Read
Clear
zzzzz
Instruction format Number of steps
MPS Save
Condition Steps
MRD Read
0
MPP Clear
Bit Word Double word
Usable I/O
XY
R,
M
TD, SS,
CU, CT WX WY
WR,
WM TC DX DY
DR,
DM
Constant
Other
Function
X00100 Y00101
LD X00100
MPS
AND R001
MPS
OUT Y00101
MPP
AND R002
OUT Y00102
MRD
AND R003
OUT Y00103
MPP
AND R004
OUT Y00104
R001
Y00102R002
Y00103R003
Y00104R004
• MPS stores the previous operation result. (Push)
• MRD reads the results stored by the MPS and continues operation.
• MPP reads the results stored previously by the MPS and continues operation, then clears the results after operation. (Pull)
MPS Save
MRD Read
MPP Clear