Mitsubishi MELSEC iQ-F FX5 series, Programming Manual, Page: 48 / 888

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2 CPU MODULE INSTRUCTION
2.2 Basic instruction
No operation instruction
■
No operation
2.2
Basic instruction
Comparison operation instruction
■
Comparing 16-bit binary data
■
Comparing 32-bit binary data
■
Comparison output 16-bit binary data
Instruction symbol Description Reference
NOP No processing (for deletion of instruction or for space) Page 144
Instruction symbol Description Reference
LD=, AND=, OR= (s1)=(s2): Conductive
(s1)

(s2): Non-Conductive
Page 145
LD=_U, AND=_U, OR=_U
LD<>, AND<>, OR<> (s1)

(s2): Conductive
(s1)=(s2): Non-Conductive
LD<>_U, AND<>_U, OR<>_U
LD>, AND>, OR> (s1)>(s2): Conductive
(s1)

(s2): Non-Conductive
LD>_U, AND>_U, OR>_U
LD<=, AND<=, OR<= (s1)

(s2): Conductive
(s1)>(s2): Non-Conductive
LD<=_U, AND<=_U, OR<=_U
LD<, AND<, OR< (s1)<(s2): Conductive
(s1)

(s2): Non-Conductive
LD<_U, AND<_U, OR<_U
LD>=, AND>=, OR>= (s1)

(s2): Conductive
(s1)<(s2): Non-Conductive
LD>=_U, AND>=_U, OR>=_U
Instruction symbol Description Reference
LDD=, ANDD=, ORD= [(s1)+1, (s1)] = [(s2)+1, (s2)]: Conductive
[(s1)+1, (s1)]

[(s2)+1, (s2)]: Non-Conductive
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LDD=_U, ANDD=_U, ORD=_U
LDD<>, ANDD<>, ORD<> [(s1)+1, (s1)]

[(s2)+1, (s2)]: Conductive
[(s1)+1, (s1)] = [(s2)+1, (s2)]: Non-Conductive
LDD<>_U, ANDD<>_U,
ORD<>_U
LDD>, ANDD>, ORD> [(s1)+1, (s1)] > [(s2)+1, (s2)]: Conductive
[(s1)+1, (s1)]

[(s2)+1, (s2)]: Non-Conductive
LDD>_U, ANDD>_U, ORD>_U
LDD<=, ANDD<=, ORD<= [(s1)+1, (s1)]

[(s2)+1, (s2)]: Conductive
[(s1)+1, (s1)] > [(s2)+1, (s2)]: Non-Conductive
LDD<=_U, ANDD<=_U,
ORD<=_U
LDD<, ANDD<, ORD< [(s1)+1, (s1)] < [(s2)+1, (s2)]: Conductive
[(s1)+1, (s1)]

[(s2)+1, (s2)]: Non-Conductive
LDD<_U, ANDD<_U, ORD<_U
LDD>=, ANDD>=, ORD>= [(s1)+1, (s1)]

[(s2)+1, (s2)]: Conductive
[(s1)+1, (s1)] < [(s2)+1, (s2)]: Non-Conductive
LDD>=_U, ANDD>=_U,
ORD>=_U
Instruction symbol Description Reference
CMP (s1)>(s2): (d) is on
(s1)=(s2): (d) +1 is on
(s1)<(s2): (d) +2 is on Page 149
CMPP
CMP_U
CMPP_U