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6 SEQUENCE INSTRUCTIONS
6.2 Association Instruction
Inverting the operation result
INV
This instruction inverts the operation result up to this instruction.
Processing details
• This instruction inverts the operation result up to this instruction.
Operation error
There is no operation error.
• This instruction operates using the operation result so far. Hence, use it at the same position as the AND
instruction. This instruction cannot be used at positions where the LD and OR instructions are programmed.
• If a ladder block is used, the operation result is inverted within the range of the ladder block. When
operating a ladder with this instruction and the ANB instruction, pay attention to the inversion range.
Broken line part: Inversion range
For details ANB instruction, refer to the following.
Ladder diagram
Structured text
ENO:=INV(EN);
FBD/LD
Operation result up to the INV
instruction
Operation result after execution of
INV instruction
OFF
ON
ON
OFF
EN
ENO
M0
ANB
M10
Y10
END
M1
M2
M20
Summary of Contents for MELSEC iQ-F FX5
Page 1: ...MELSEC iQ F FX5 Programming Manual Instructions Standard Functions Function Blocks ...
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Page 17: ...15 CONTENTS ...
Page 24: ...22 MEMO ...
Page 1050: ...1048 26 TIME DATA FUNCTIONS 26 4 Division MEMO ...
Page 1068: ...1066 29 COUNTER FUNCTION BLOCKS 29 4 Counter Function Block Operation error There is no error ...
Page 1107: ...I 1105 MEMO ...
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