TON

Return to Introduction  Previous page  Next page

 

IEC / CEI 1131-3 Compliant

 

ton

 

Asserting the input signal IN of this device starts the time elapsing of timer. When the programmed time, applied to the input PT, is elapsed and the input IN is still asserted, the Q output become TRUE. This condition will continue until the input IN is deasserted.

If the IN input is released before time elapsing, the timer will be cleared.

The ET output pin reports the current elapsed time.

 

Net plugs

 

Plug

Description



IN

A TRUE condition on this input starts the TON timer

 

 

PT

To this input user must apply the programmed time. User should use an IDENT object to enter a time constant

 

 

Q

If the input IN is asserted and the programmed time is elapsed this output become TRUE

 

 

ET

This output reports the current elapsed time

 

See also : TP, TMI, TOF, TSQ , IDENT