Lenze PLC Designer PLC Designer (R2-x) Manual de usuario descargar pdf (Pagina 493)

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IEC Operators and additional norm extending functions

 DMS 3.2 EN 02/2011 TD29 491

9.9.6 TIME_TO/TIME_OF_DAY Conversions

Converting from the variable type TIME or TIME_OF_DAY to a different type:

The time will be stored internally in a DWORD in milliseconds (beginning with 12:00

A.M. for the TIME_OF_DAY variable). This value will then be converted.

When you perform a type conversion from a larger to a smaller type, you risk losing

some information.

For the STRING type variable, the result is a time constant.

Examples in IL:

TIME_TO_STRING

(*Result is 'T#12ms' *)

LD T#300000ms

TIME_TO_DWORD

(*Result is 300000 *)

LD TOD#00:00:00.012

(*Result is 12 *)

Examples in ST:

str :=TIME_TO_STRING(T#12ms); (* Result is T#12ms *)

dw:=TIME_TO_DWORD(T#5m); (* Result is 300000 *)

si:=TOD_TO_SINT(TOD#00:00:00.012); (* Result is 12 *)

Examples in FBD:

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Lenze PLC Designer PLC Designer (R2-x) Manual de usuario Pagina 493