Sub_E - Mitsubishi Electric MELSEC FX Series Structured Programming Manual

FXCPU Structured Programming Manual
(Application Functions)
5.3.2

SUB_E

Outline
This function performs subtraction using two values (A - B = C), and outputs the operation result.
1. Format
Function name
SUB_E
*1. Output variable
2. Set data
Variable
EN
Input
_IN1 (
variable
_IN2 (
ENO
Output
variable
*1
In explanation of functions, I/O variables inside ( ) are described.
Explanation of function and operation
1) This function performs subtraction (
precision) data stored in devices specified in
specified in
Example: When the data type is word [signed]
12345
s1 (Word
[signed] data)
138
FX 3U(C)
Expression in each language
Structured ladder
X000 SUB_E
EN
D0 _IN1
D10 _IN2
Execution condition
Data to be subtracted or word device which stores such data
)
s1
Data for subtraction or word device which stores such data
)
s2
Execution status
Word device which will store the operation result
( )
d
using the data type of data stored in devices specified in
d
- 6789
s2 (Word
[signed] data)
FX 3G FX 2N(C) FX 1N(C)
SUB_E(EN,_IN1,_IN2,Output
label);
ENO
Example:
SUB_E(X000,D0,D10,D20);
*1 D20
Description
- ) using word [signed]/double word [signed]/float (single
s1 s2
and , and outputs the operation result to a device
s1 s2
5556
d (Word
[signed] data)
5.3 Standard Arithmetic Functions
FX 1S FX U /FX 2C FX 0N
ST
Data type
Bit
ANY_NUM
ANY_NUM
Bit
ANY_NUM
and .
s1 s2
FX 0(S)