Chapter 8 Logic Instructions 
8-283 
 
FB/FC 
FC 
DELETE deletes the specified-length string from the specified position from 
the string variable or constant.   
 
  Parameters 
Meaning 
Description  Valid range   
In  String for deletion    Input  String for deletion   
Depends on the data type of the 
variable that the input parameter is 
L 
characters to 
Input 
Number of 
characters to delete   
0~ maximum length of the string 
P 
Input 
1~ maximum length of the string 
Out  Deletion result    Output  String after deletion   
Depends on the data type of the 
variable that the output parameter is 
 
 
Boolean 
Bit string  Integer 
Real 
number 
Time, date 
String 
BOOL 
BYTE 
WORD 
LWORD 
UINT 
UDINT 
ULINT 
SINT 
INT 
DINT 
LINT 
REAL 
STRING 
In 
                                     
● 
L 
           
● 
                         
P 
           
● 
                         
Out 
                                     
● 
Note: 
The symbol ● indicates that the parameter is allowed to connect to the variable or constant of the data 
type.