mlen

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 Function - Get the number of characters in a string.

Inputs

Input

Data Type

Range

Unit

Default

Description

IN

STRING

 

 

 

Character string.

Outputs

Output

Data Type

Range

Unit

Description

NBC

DINT

 

 

Number of characters currently in the string.

0 (zero) if the string is empty.

Remarks

None

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 Language, the input must be loaded in the current result before calling the function.

Op1: LD   IN
     MLEN
     ST   NBC

ST Language Example

NBC := MLEN (IN);

See Also