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Add Variable Data to Alarm Messages

Petr over 6 years ago

Hi colleagues !

Could you please advise how to add variable data into alarm description by defining Equipment ?

Currently i'm designing M580 diagnostics equipment.

According to equipment definition XML and Alarm description with variable data syntax i have to put something like:

Alarm Desc: HSBY, CPU {{equipment.TAGPREFIX}_Local_PLC} in RUN PRIMARY MODE,

where {equipment.TAGPREFIX}_Local_PLC is a string calculated TAG, becomes "A" or "B" depending on which PLC is currently communicating with SCADA.

But double braces are not correctly interpreted by xml parser. How to shield inside brackets during equipment update ?

BR

Stuart over 6 years ago

Hi Petr,

We've achieved a similar thing with the following syntax:

[{{({equipment.TAGPREFIX}_S_Control01):#}}] Fail to Move Off Open_Fault

The key seems to be the double open and double close curly brackets around the tag or expression.

Note that this syntax is not (or at least was not) properly supported by the equipment editor. It displays there but cannot be edited/saved. You will need to edit this directly into the XML.

Regards

Stuart
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Petr over 6 years ago

Thanks a lot , Stuart !
How did you find out this syntax?
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Stuart over 6 years ago

Can't remember, it was a few years ago. Top candidates are trial and error or Citect Support.
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