Lenze PLC Designer PLC Designer (R2-x) Manual do Utilizador descarregar pdf (Página 657)

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PLC Designer Libraries

 DMS 3.2 EN 02/2011 TD29 655

19.1.5 Timer...

Provided by standard.lib.

The function block Timer is a trigger. TP(IN, PT, Q, ET) means:

IN and PT are input variables of the BOOL and TIME types respectively. Q and ET are

output variables of the BOOL and TIME types respectively. If IN is FALSE, Q is FALSE and

As soon as IN becomes TRUE, the time will begin to be counted in milliseconds in ET

until its value is equal to PT. It will then remain constant.

Q is TRUE as from IN has got TRUE and ET is less than or equal to PT. Otherwise it is

Q returns a signal for the time period given in PT.

Graphic Display of the TP Time Sequence

Declaration example:

TPInst : TP ;

Example in IL:

CAL TPInst(IN := VarBOOL1, PT := T#5s)

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Lenze PLC Designer PLC Designer (R2-x) Manual do Utilizador Página 657