replace
Inputs
Input |
Data Type |
Range |
Unit |
Default |
Description |
---|---|---|---|---|---|
IN |
STRING |
|
|
|
Character string. |
STR |
STRING |
|
|
|
String containing the characters to be inserted in place of the NDEL removed characters. |
NDEL |
DINT |
|
|
|
Number of characters to be deleted before insertion of STR. |
POS |
DINT |
|
|
|
Outputs
Output |
Data Type |
Range |
Unit |
Description |
---|---|---|---|---|
Q |
STRING |
|
|
Modified string. |
Remarks
- The first valid character position is 1.
FBD Language Example
FFLD Language Example
- In the FFLD Language, the operation is executed only if the input rung (EN) is TRUE.
- The output rung (ENO) keeps the same value as the input rung.
- The function is executed only if EN is TRUE.
- ENO keeps the same value as EN.
IL Language Example
- In the IL Instruction list - This is a low-level language and resembles assembly. Language, the first input (the string) must be loaded in the current result before calling the function.
- Other arguments are operands of the function, separated by comas.
Op1: LD Ladder diagram - This is a method of drawing electrical logic schematics. It is a very popular graphical language for programming Programmable Logic Controllers (PLCs). It was originally invented to describe logic made from relays. The name is based on the observation that programs in this language resemble ladders, with two vertical rails and a series of horizontal rungs between them. IN
REPLACE STR, NDEL, POS
ST Q
ST Language Example
Q := REPLACE (IN, STR, NDEL, POS);
See Also