mlen

 Function - Get the number of characters in a string.

Inputs

Input	Data Type See Data Types.	Range	Unit	Default	Description
IN	STRING				Character string.

Outputs

Output	Data Type See Data Types.	Range	Unit	Description
NBC	DINT			Number of characters currently in the string. 0 (zero) if the string is empty.

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

Not available.

ST Language Example

NBC := MLEN (IN);

See Also

• Addition +
• delete
• find
• insert
• left
• mid
• replace
• right