Base component for a supervised switch.

 The object handles supervision of a digital switch. Alarm status
 is set when the switch signal is low. When the value is low, an
 alarm i generated.

 Alarm status for high signal is possible by inverting the Di
 channel.

 The alarm can be disabled by the DisableSup input of the function
 object. DisableSup does not affect the AlarmStatus output of the
 function object.

 The graphical symbol for this object is BaseComponent/SupSwitch.

 Default dynamic:
 - the switch symbol is colored red when the signal value is lost.

 Default action:
 - the methods menu is opened with MB3.

 If the signal value is lost, an alarm is sent.

Configuration

 The object contains the Di signal 'Switch' that should be connected to a
 Di-channel.

 For plc coding the function object BaseSupSwitchFo is used.

 Create a function object in the plc editor and connect it to the current
 object with the connect function.

• BaseSupSwitchFo

Super class.

Switch digital input.

True if the switch signal is lost.

Alarm text when the signal is lost.

Alarm delay in seconds.

 Supervision is disabled.
 Shows the input DisableSup in the plc Fo object.

 Configuration of switch circuit, normally open (1) or normally closed (0).
 If normally open, the signalvalue in normal state is 0, and in alarm state 1.
 If normally closed, the signalvalue in normal state is 1, and in alarm state 0.

 The plc function object connected to this object.
 This attribute is set when the function object is connected from
 the plc editor by the connect function.