MID
Function - Extract characters of a string at any position.
Inputs
|
Input |
Data type |
Description |
|
IN |
STRING |
Character string. |
|
NBC |
DINT |
Number of characters to extract. |
|
POS |
DINT |
Position of the first character to extract (first character of IN is at position 1). |
Outputs
|
Output |
Data type |
Description |
|
Q |
STRING |
String containing the first NBC characters of IN. |
Remarks
The first valid position is 1. In LD 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.
ST Language
Q := MID (IN, NBC, POS);
FBD Language
LD Language
The function is executed only if EN is TRUE.
ENO keeps the same value as EN.
MID |
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IEC 61131-3 Automation platform > Programming - Reference guide > String operations > MID |
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