Mitsubishi MELSEC iQ-F FX5 series User Manual

812
21 COMPARISON FUNCTIONS
21.2 Compare
21.2 Compare
NE(_E)
These functions output the data comparison result of input values.
Setting data
■Descriptions, types, and data types
Processing details
■Operation processing
• These functions perform a comparison operation of input values of (s) and output operation results from (d) in the BOOL
type.
• A data value of the INT, DINT, REAL, BOOL, WORD, DWORD, TIME, or STRING type can be input to (s).
■Operation result
1. Function without EN/ENO
The following table lists the operation results.
2. Function with EN/ENO
The following table lists the execution conditions and operation results.
*1 When FALSE is output from ENO, data output from (d) is undefined. In that case, modify a program so that the data output from (d) is
not used.
Ladder diagram Structured text
[Without EN/ENO] [With EN/ENO] [Without EN/ENO]
d:=NE(s1,s2);
[With EN/ENO]
d:=NE_E(EN,ENO,s1,s2);
Argument Description Type Data type
EN Execution condition (TRUE: Execution, FALSE: Stop) Input variable BOOL
s1, s2 Input Input variable ANY_SIMPLE
ENO Output status (TRUE: Normal, FALSE: Abnormal) Output variable BOOL
d Output (TRUE: True value, FALSE: False value) Output variable BOOL
• NE(_E): These functions compare [(s1)(s2)].
• When (s1)(s2), these functions output TRUE.
• These functions output FALSE when (s1)=(s2).
Operation result (d)
No operation error occurred Operation output value
An operation error occurred Indefinite value
Execution condition Operation result
EN ENO (d)
TRUE (Executes operation) TRUE (Operation error did not occur) Operation output value
FALSE (Operation error occurred)
*1
Indefinite value
FALSE (Stops operation) FALSE
*1
Indefinite value
s1 d
s2
EN ENO
ds1
s2

Mitsubishi MELSEC iQ-F FX5 series Specifications

General

Brand	Mitsubishi
Model	MELSEC iQ-F FX5 series
Category	Controller
Language	English