Alarm description length

[CamJam]

Hi, 

We have alarm tags setup to redirect using the state description (%ASubCondDesc%) of the tag. It looks like this description property is only 23 characters - can this be lengthened somewhere in the config?

Is there another way that a string tag can be setup to be used for the description of alarms?

[AndrewScott]

For point state alarms the OPC A&E active sub-condition description (%ASubCondDesc% redirection trip sequence) is a copy of the point's state description for the alarm state (e.g. high-high state for an analogue point). You cannot modify the database schema, all point state description string fields are fixed as 23 characters in length.

Also, there isn't any mechanism for adding your own %Axxxxxx% alarm redirection trip sequence attributes. Only the built-in attributes are supported, see Trip Sequences Supported by Redirection Actions 

You can add your own database fields and access them using the %O<FieldName>% trip sequence, but these would relate the the source of alarm (e.g. a point or an outstation), not the state of the alarm (e.g. high-high or comms failed).

[CamJam]

Thanks Andrew,

I managed to create a custom property following the How to configure a custom property field in ClearSCADA and Geo SCADA? 

I then added this to field to the pager message using the %O<custom property name>%