Presence

INFORMATION

Once the Tr input is triggered on the output Q is also enabled. When the Tr output goes back to off the output Q will remain on for the duration of the parameter T. Every time there is Tr goes to off (falling edge) the delay counter T will be restarted.

If the input R is activated then the output Q is disabled.

Presence Function Block

OVERVIEW

INPUTS

TrTriggerWhen going from off to on (rising edge) Q is switched on, with a falling edge on Tr the delay time count is started.
RResetTurns Q output off.

PARAMETERS

TDelay TimeDefined how long after the falling edge on Tr that Q remains on for [s].

OUTPUTS

QDigital outputWhen going from off to on (rising edge) Q is switched on, after the delay time T has finished Q is switched off.