Manual > Function Description

event

Calling StartUpdate will start the automatic update and cause events to be fired when values change.

By default, the following events occur:

event	Defaults	Possibility of setting
ValueStateChanged	Occurs	Fixation
ValueChanged	Occurs	Switchable
ValueBitOn	Occurs	Switchable
ValueBitOff	Occurs	Switchable
ValueOverLimit	Does not occur	Switchable
ValueRapidChanged	Does not occur	Switchable
ValueInitialize	Occurs	Switchable
ValueRefresh	Occurs	Fixation
StateChanged	Occurs	Fixation
ErrorOccured	Occurs	Fixation
EndAccessTimeLog	Occurs	Fixation

To generate or not generate an event, or to change the filter parameters for each event, add an "Event Specification" filter in the "Filter" tab of the tag properties, and set the conditions for each event.

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ValueChanged/ValueBitOn/ValueBitOff are set to occur by default. If the default settings are OK, there is no need to add an "Event Specification" filter.