Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 71

■Pulse NOT operation start, pulse NOT series connection, pulse NOT parallel connection
Instruction symbol Processing details
LDPI Turns on when the specified device is off, on, or at the falling edge (on to off). (Rising edge pulse
NOT operation start instruction)
LDFI Turns on when the specified device is at the rising edge (off to on), off, or on. (Falling edge pulse
NOT operation start instruction)
ANDPI Performs an AND operation with the previous operation result. (Rising edge pulse NOT series
connection instruction)
ANDFI Performs an AND operation with the previous operation result. (Falling edge pulse NOT series
connection instruction)
ORPI Performs an OR operation with the previous operation result. (Rising edge pulse NOT parallel
connection instruction)
ORFI Performs an OR operation with the previous operation result. (Falling edge pulse NOT parallel
connection instruction)
Association instructions
■Ladder block series/parallel connection
Instruction symbol Processing details
ANB Performs AND operations between logical blocks (series connection between logical blocks)
ORB Performs OR operations between logical blocks (series connection between logical blocks)
■Storing/reading/clearing the operation result
Instruction symbol Processing details
MPS Stores the operation result (on/off) immediately before the MPS instruction.
MRD Reads the operation result stored by using the MPS instruction.
MPP Clears the operation result stored by using the MPS instruction.
■Inverting the operation result
Instruction symbol Processing details
INV Inverts the operation result up to just before the INV instruction.
■Converting the operation result into a pulse
Instruction symbol Processing details
MEP Turns on at the rising edge (off to on) of the operation result up to the MEP instruction.
MEF Turns on at the falling edge (on to off) of the operation result up to the MEF instruction.
■Converting the edge relay operation result into a pulse
Instruction symbol Processing details
EGP Stores the operation result up to the EGP instruction in the edge relay (V). The instruction turns on
at the rising edge (off to on) of the operation result.
EGF Stores the operation result up to the EGF instruction in the edge relay (V). The instruction turns on
at the falling edge (on to off) of the operation result.
Reference
Page 165 LDPI, LDFI,
ANDPI, ANDFI, ORPI,
ORFI
Reference
Page 168 ANB, ORB
Reference
Page 169 MPS, MRD,
MPP
Reference
Page 171 INV
Reference
Page 172 MEP, MEF
Reference
Page 173 EGP, EGF
2 CPU MODULE INSTRUCTIONS
2.1 Sequence Instructions
2
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