====== Global Events ======

Global events are project-level events that are always active regardless of which screen is being displayed.  On the contrary, [[:comfilehmi:screenevent:|screen events]] are only active when their associated screen is being displayed.

{{ :comfilehmi:globalevent:globaleventscreen.png?nolink |}}

{{ :comfilehmi:globalevent:global_event.png?nolink |}}

===== Global Event Types =====

There are 4 available global event types:

  * 1. When Project Starts : This event occurs when the project is first executed.
  * 2. Timer : This event occurs periodically while the project is running.
  * 3. Montor Device : This event occurs when data in a device's memory meets a specified condition.
  * 4. Monitor by Expression : This event occurs when a variable or expression evaluates to a specified condition.

===== 1. When Project Starts Event =====

Press the down arrow icon next to the event type to add actions to an event.

{{ :comfilehmi:globalevent:event_actionadd.png?nolink |}}

===== 2. Timer Event =====

Press the down arrow icon next to the //Timer// node to add a new timer event.

{{ :comfilehmi:globalevent:timeradd.png?nolink |}}

The following window will appear.

{{ :comfilehmi:globalevent:eventtimer1.png?nolink |}}

Specify the period of for which the event will occur.  In this example, the period is set to 1 second.

Add actions to run when the event occurs.

{{ :comfilehmi:globalevent:globaltimeradd1.png?nolink |}}

===== 3. Monitor Device Events =====

Press the down arrow icon next to the //Device// node to add a new device event

{{ :comfilehmi:globalevent:devicewatchadd1.png?nolink |}}

Enter the device address to monitor and specify the conditions that must be met for the event to occur.

{{ :comfilehmi:globalevent:devicewatch.png?nolink |}}

Add the actions to be executed when the event occurs.

{{ :comfilehmi:globalevent:globaldeviceadd1.png?nolink |}}

===== 4. Monitor by Expression Events =====

Press the down arrow icon next to the //Expression// node to add a new expression event.

{{ :comfilehmi:globalevent:globaleventadd1.png?nolink |}}

Enter the expression specifying the condition that must be met for the event to occur.

{{ :comfilehmi:globalevent:susikwatch.png?nolink |}}

Add actions to be executed when the event occurs.

{{ :comfilehmi:globalevent:globaladdaction.png?nolink |}}

----

===== Add Action =====

The following window will appear to provide the ability to add multi-actions to the event.

{{ :comfilehmi:globalevent:eventadd.png?nolink |}}

[[comfilehmi:multiaction:index|What is action?]]



====== Video ======

{{ :comfilehmi:globalevent:hmievent.mp4?850x454 |}}

[[comfilehmi:#Field_Resources:|Back to ComfileHMI]]