FB_SingleDoubleClick

VAR_INPUT

bSwitch      : BOOL;
tSwitchTime  : TIME := t#500ms;

bSwitch: Input signal.

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

VAR_OUTPUT

bSingleClick     : BOOL;
bDoublelick      : BOOL;

bSingleClick: Indicates a single push of the button.

bDoublelick: Indicates a double push of the button.

Example

In the following example, two switches are used to control two different lamps. A switch is assigned to each lamp. If a switch is pressed twice in rapid succession, both lamps are switched off.

Requirements