Mitsubishi Electric 09R927, Руководство по структурному программированию

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5.9 Functions Of Time Data Types
200
FXCPU Structured Programming Manual
(Application Functions)
5.9.2 SUB_TIME(_E)
Outline
This function performs subtraction of time data.
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 performs subtraction ( - ) of time data stored in devices specified in and , and
outputs the operation result expressed as time data to devices specified in .
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
SUB_TIME
SUB_TIME(_IN1,_IN2);
Example:
Label 3:=
SUB_TIME(Label 1,Label 2);
SUB_TIME_E
SUB_TIME_E(EN,_IN1,_IN2,
Output label);
Example:
SUB_TIME_E(X000,Label 1,
Label 2,Label 3);
Variable Description Data type
Input
variable
EN Execution condition Bit
_IN1 ( )
Head word device which stores time data to get subtraction Time
_IN2 ( )
Head word device which stores subtraction data Time
Output
variable
ENO Execution status Bit
*1 ( ) Head word device which will store the operation result Time
SUB_TIME
*1 Label 3 Label 1 _IN1
Label 2 _IN2
SUB_TIME_E
EN ENO
*1 Label 3
X000
Label 1 _IN1
Label 2 _IN2
s1
s2
d
s1 s2 s1 s2
d