Справочник Пользователя для Mitsubishi Electronics Mitsubishi Digital Electronics Welding System FXCPU
5.6 Standard Selection Functions
168
FXCPU Structured Programming Manual
(Application Functions)
(Application Functions)
5.6.4
LIMITATION(_E)
Outline
This function judges whether data is located within the range between the upper limit value and the lower limit
value.
value.
1. Format
*1.
Output variable
2. Set data
In explanation of functions, I/O variables inside ( ) are described.
Explanation of function and operation
This function outputs data whose type is same as the data stored in devices specified in
,
and
to a device specified in
in accordance with ANY_SIMPLE type data stored in devices specified in
,
and
.
1) In the case of "Contents of a device specified in
> Contents of a device specified in
", this
function outputs the contents of a device specified in
to a device specified in
.
2) In the case of "Contents of a device specified in
< Contents of a device specified in
", this
function outputs the contents of a device specified in
to a device specified in
.
3) In the case of "Contents of a device specified in
≤ Contents of a device specified in
≤ Contents
of a device specified in
", this function outputs the contents of a device specified in
to a device
specified in
.
Example: When the data type is word [signed]
FX
3U(C)
FX
3G
FX
2N(C)
FX
1N(C)
FX
1S
FX
U
/FX
2C
FX
0N
FX
0(S)
Function name
Expression in each language
Structured ladder
ST
LIMITATION
LIMITATION(_MN,_IN,_MX);
Example:
D30:=
LIMITATION(D0,D10,D20);
Example:
D30:=
LIMITATION(D0,D10,D20);
LIMITATION_E
LIMITATION_E(EN,_MN,_IN,_MX,
Output label);
Example:
LIMITATION_E(X000,D0,D10,D20,
D30);
Output label);
Example:
LIMITATION_E(X000,D0,D10,D20,
D30);
Variable
Description
Data type
Input
variable
variable
EN
Execution condition
Bit
_MN (
)
Lower limit data, or word device which stores such data
ANY_SIMPLE
_IN (
)
Input data, or word device which stores such data
ANY_SIMPLE
_MX (
)
Upper limit data, or word device which stores such data
ANY_SIMPLE
Output
variable
variable
ENO
Execution status
Bit
*1
(
)
Word device which will store the output data
ANY_SIMPLE
LIMITATION
*1
D30
D0
_MN
_IN
D10
_MX
D20
LIMITATION_E
EN
EN
ENO
X000
*1
D30
D0
_MN
_IN
D10
_MX
D20
s1
s2
s3
d
s1
s2
s3
d
s1
s2
s3
s2
s3
s3
d
s2
s1
s1
d
s1
s2
s3
s2
d
LIMITATION
_MN
_IN
_MX
120
Word [signed] data
Word [signed] data
100
Word [signed] data
Output value
Input value
Maximum input value
Minimum input value
-100
Word [signed] data
100