FB_ShortLongClick

VAR_INPUT

bSwitch      : BOOL;
tSwitchTime  : TIME := t#50ms;

bSwitch: Input signal.

tSwitchTime: Duration above which the input signal is to be interpreted as a long button press.

VAR_OUTPUT

bShortClick      : BOOL;
bLongClick       : BOOL;

bShortClick: Indicates a short push of the button.

bLongClick: Indicates a long push of the button.

Example

In the following example, two push buttons are used to control two different lamps. A switch is assigned to each lamp. If a button is pressed for longer than 500 ms, both lamps are switched off.

Requirements