Standard Selection Functions; Sel_E - Mitsubishi Electric MELSEC FX Series Structured Programming Manual

FXCPU Structured Programming Manual
(Application Functions)
5.6

Standard Selection Functions

5.6.1 SEL(_E)
Outline
This function selects either one between two data in accordance with the input condition, and outputs the
selection result.
1. Format
Function name
SEL

SEL_E

*1. Output variable
2. Set data
Variable
EN
_G
Input
variable
_IN0 (
_IN1 (
ENO
Output
variable
*1
In explanation of functions, I/O variables inside ( ) are described.
Explanation of function and operation
This function outputs either one between the values stored in devices specified in
accordance with the value stored in a device specified in
type of data stored in a device specified in
When the value stored in a device specified in
device specified in
When the value stored in a device specified in
device specified in
Example: When the data type of input variables
FALSE
Bit data
1234
Word [signed] data
5678
Word [signed] data
162
FX
3U(C)
Expression in each language
Structured ladder
SEL
M0 _G
D0 _IN0
D10 _IN1
SEL_E
X000
EN
M0 _G
D0 _IN0
D10 _IN1
Execution condition
Bit data used as the selection condition
( )
s1
Selectable data, or word device which stores such data
)
s2
Selectable data, or word device which stores such data
)
s3
Execution status
Word device which will store the selection result
( )
d
to a device specified in
s2
to a device specified in
s3
SEL
G
_IN0
_IN1
FX FX FX
3G 2N(C) 1N(C)
SEL(_G,_IN0,_IN1);
Example:
*1 D20
D20:=
SEL(M0,D0,D10);
SEL_E(EN,_G,_IN0,_IN1,Output
label);
ENO
Example:
SEL_E(X000,M0,D0,D10,D20);
*1 D20
Description
to a device specified in
s1
and .
s2 s3
is "FALSE", this function outputs the value stored in a
s1
.
d
is "TRUE", this function outputs the value stored in a
s1
.
d
and is word [signed]
s2 s3
1234
Word [signed] data
5.6 Standard Selection Functions
FX FX /FX FX
1S U 2C 0N
ST
Data type
Bit
Bit
ANY
ANY
Bit
ANY
and
s2
using the data
d
FX
0(S)
in
s3