
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)
Indefinite value
FALSE (Stops operation)
FALSE
Indefinite value
s1
d
s2
EN
ENO
d
s1
s2
Summary of Contents for MELSEC iQ-F FX5 series
Page 1: ...MELSEC iQ F FX5 Series Programming Manual Instructions Standard Functions Function Blocks ...
Page 2: ......
Page 21: ...19 PART 1 PART 1 OVERVIEW Part 1 consists of the following chapter 1 OVERVIEW ...
Page 98: ...96 4 STANDARD FUNCTIONS FUNCTION BLOCKS 4 2 Standard Function Blocks MEMO ...
Page 840: ...838 23 TIME DATA FUNCTIONS 23 4 Division MEMO ...
Page 887: ......