Lenze PLC Designer PLC Designer (R2-x) Manuale Utente Scaricare il pdf (Pagina 488)

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IEC Operators and additional norm extending functions

486 DMS 3.2 EN 02/2011 TD29 

9.9.2 BOOL_TO Conversions

Conversion from type BOOL to any other type:

For number types the result is 1, when the operand is TRUE, and 0, when the operand

For the STRING type the result is ‚TRUE' or ‚FALSE'.

Examples in IL:

(*Result is 1 *)

BOOL_TO_STRING

(*Result is 'TRUE' *)

BOOL_TO_TIME

(*Result is T#1ms *)

(*Result is TOD#00:00:00.001 *)

BOOL_TO_DATE

(*Result is D#1970-01-01 *)

(*Result is DT#1970-01-01-

Examples in ST:

i:=BOOL_TO_INT(TRUE); (* Result is 1 *)

str:=BOOL_TO_STRING(TRUE); (* Result is "TRUE" *)

t:=BOOL_TO_TIME(TRUE); (* Result is T#1ms *)

tof:=BOOL_TO_TOD(TRUE); (* Result is TOD#00:00:00.001*)

dat:=BOOL_TO_DATE(FALSE); (* Result is D#1970 *)

dandt:=BOOL_TO_DT(TRUE); (* Result is DT#1970-01-01-

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Lenze PLC Designer PLC Designer (R2-x) Manuale Utente Pagina 488