Delete_E - Mitsubishi Electric MELSEC FX Series Structured Programming Manual

FXCPU Structured Programming Manual
(Application Functions)
5.8.4 DELETE(_E)
Outline
This function deletes a character string.
1. Format
Function name
DELETE

DELETE_E

*1. Output variable
2. Set data
Variable
EN
_IN (
Input
variable
_L
_P (
ENO
Output
variable
*1
In explanation of functions, I/O variables inside ( ) are described.
Explanation of function and operation
1) This function deletes specified number of characters from an arbitrary position of a character string stored
in devices specified in
in .
d
The value specified in
The value specified in
Example: When "5" is specified in
2) A character string (data) stored in devices specified in
in units of byte in the range starting from the specified device.
190
FX 3U(C)
Structured ladder
DELETE
Label 1 _IN
D10 _L
D20 _P
X000 DELETE_E
EN
Label 1 _IN
D10 _L
D20 _P
Execution condition
) Head word device which stores a character string to get deletion
s
Number of characters to be deleted
( )
n1
Head position to get deletion
)
n2
Execution status
Head word device which will store a character string remaining after
( )
d
deletion
, and outputs the character string remaining after deletion to devices specified
s
specifies the number of characters to be deleted.
n1
specifies the position from which specified number of characters are deleted.
n2
"ABCDEF12345"
High-order byte Low-order byte
1st word 42H(B) 41H(A)
44H(D) 43H(C)
2nd word
3rd word 46H(F) 45H(E)
4th word 32H(2) 31H(1)
5th word 34H(4) 33H(3)
6th word 00H 35H(5)
FX 3G FX 2N(C)
Expression in each language
DELETE(_IN,_L ,_P);
Example:
*1 Label 2
Label 2:=
DELETE(Label 1,D10,D20);
DELETE_E(EN,_IN,_L ,_P,
Output label);
ENO Example:
DELETE_E(X000, Label 1,
*1 Label 2
D10, D20, Label 2);
Description
and
n1 n2
Deletion start
position
n2
= 5th character
Number of characters
to be deleted
n1
s
5.8 Standard Character String Functions
FX 1N(C) FX 1S FX U /FX 2C
ST
Bit
String
Word [signed]
Word [signed]
Bit
String
"ABCD45"
High-order byte Low-order byte
42H(B) 41H(A)
44H(D) 43H(C)
35H(5) 34H(4)
0000H
= 5
indicates the data until "00H" is detected first
FX 0N FX 0(S)
Data type
1st word
2nd word
3rd word
4th word