5.3 Standard Arithmetic Functions
136
FXCPU Structured Programming Manual
(Application Functions)
5.3
Standard Arithmetic Functions
5.3.1
ADD_E
Outline
This function performs addition using two values (A + B = C), and outputs the operation result.
1. Format
*1.
Output variable
2. Set data
In explanation of functions, I/O variables inside ( ) are described.
Explanation of function and operation
1) This function performs addition (
+
) using word [signed]/double word [signed]/float (single
precision) data stored in devices specified in
and
, and outputs the operation result to a device
specified in
using the data type of data stored in devices specified in
and
.
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
ADD_E
ADD_E(EN,_IN,_IN,Output
label);
Example:
ADD_E(X000,D0,D10,D20);
Variable
Description
Data type
Input
variable
EN
Execution condition
Bit
_IN (
…
)
Data for addition or word device which stores such data
ANY_NUM
Output
variable
ENO
Execution status
Bit
*1
(
)
Word device which will store the operation result
ANY_NUM
ADD_E
EN
ENO
*1
D20
X000
D0
_IN
_IN
D10
s
d
s1
s2
s1
s2
d
s1
s2
+
1234
5678
6912
(Word
[signed] data)
s2
(Word
[signed] data)
s1
(Word
[signed] data)
d
Содержание 09R927
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