OPCAEFilter

OPCAEFilter — selects alarms and events by filtering criteria.

Synopsis

(OPCAEFilter label filters event_types minseverity maxseverity 
 categories areas sources)
    

Arguments

Some of these parameters correspond to a similarly named entry field or checkbox in the Configure OPC A&E Server dialog options in the OPC A&E option of the Properties window. The names that appear in that dialog are shown here in parentheses.

label

The name used by the DataHub instance to identify the connection.

filters

Not yet documented.

event_types

Three types of filtering options available (not yet documented). (Filter by event type)

  • Simple - events not related to an alarm, and cannot be tracked.

  • Tracking - events that originate outside the process being monitored, for example, an operator intervention.

  • Condition - events that indicate that an alarm has been triggered.

minseverity

An integer specifying the lowest configurable urgency for an alarm. (Filter by severity - Minimum)

maxseverity

An integer specifying the highest configurable urgency for an alarm. (Filter by severity - Maximum)

categories

Not yet documented. (Filter by category)

areas

Not yet documented. (Filter by area)

sources

Not yet documented. (Filter by source)

Returns

A message indicating success or error. Please refer to Return Syntax for details.

Description

This command selects alarms and events by filtering criteria. It corresponds to using the Filters checkboxes in the OPC A&E option of the Properties window.