Lenze PLC Designer PLC Designer (R2-x) Manual de usuario descargar pdf (Pagina 640)

L-force | PLC Designer

PLC Designer Libraries

638 DMS 3.2 EN 02/2011 TD29 

19 PLC Designer Libraries

19.1 Standard.lib library

19.1.1 String functions...

String functions are not "thread safe": When using tasks, string functions may only

be used in a single task. If the same function is used in different tasks, there is a

danger of overwriting.

Provided by standard.lib.

Returns the length of a string. Input STR is of type STRING, the return value of the

function is type INT.

Example in IL:

ST VarINT1 (* Result is 4 *)

Example in FBD:

Example in ST:

VarSTRING1 := LEN ('SUSI');

String functions are not "thread safe": When using tasks, string functions may only

be used in a single task. If the same function is used in different tasks, there is a

danger of overwriting.

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Lenze PLC Designer PLC Designer (R2-x) Manual de usuario Pagina 640