Base component for an overload relay.

 An overload relay in a specialized circuit breaker, used with motors
 to protect the motors from damage caused by overload or electrical faults.

 BaseOverloadRelay supervises a digital input, and generates an alarm when
 the input is high. Alarm at low level is possible by inverting the channel.

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

 The Overload indicator is colored red at overload.

 The figure shows a configuration with an overload relay attached to a contactor.

Configuration

 The Di signal Overload has to be connected to a channel.

 For plc coding the function object BaseOverloadRelayFo is used.

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

• BaseOverloadRelayFo

 Super class.

 Digital input signal for overload.

 Overload alarm text.

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

 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.