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class unit parameter connection to equipment control module class parameter

Hi Group

Is it possible to create a class unit parameter connection to equipment control module class parameter? what connection format should be used in my EM?

Below image is describing what I want to achieve 

Thanks for your support

Amer Farouk

• 22 Mar 2021 6:38 PM
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3 Replies

• gamella

  

  • 23 Mar 2021 7:27 AM

  Not sure what you try to achieve. Are you trying to access a Control Module parameter from an EQM using a Unit parameter as intermediary??

  A nice feature of deltav class based configuration is that you can use aliases into equipment modules directly. You can code any expression inside EQM class in the form #ALIAS_NAME#/PATH_TO_PARAMETER_NAME. To allow this it is required to place EQM instance inside UNIT instance (see attachment).

  So that intermediate unit parameter is not really required.

  Both EQMs into screenshoot may have code using parent UNIT aliases. In example: #TCIP_104#/LEVEL_PV

  

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• Amer Farouk

  

  • 24 Mar 2021 9:39 AM

  In reply to gamella:

  Thanks, Gamella for your reply.
  
  Actually what I want to achieve is to populate an External-Reference connection of my CM to Unit-Class Parameter
  my CM is only using Logical AND/OR Gates there is no place to write in an Expression and use the alias.
  
  My Question is how to connect CM or EM External-Reference input connection from Unit-class.
  because normally the connection should be in the form
  //<Unit_Name>/<Unit_Paramter> and at class level Unit_Name is still generic.

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• Matt Stoner

  

  • 24 Mar 2021 8:09 PM

  In reply to Amer Farouk:

  We typically have an alias on the unit class for the unit instance name (i.e. THISUNIT) so in your CM you can set the external reference to #THISUNIT#/PARAMETER but would require the CM to be under the Unit for this to work but these would resolve to that Unit Instance parameter the CM is located under.

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