Description

User want to cascade the property values from pipe runs to the connected components. For example, if user has added a Pressure/Temperature value on the pipe run then same value should be passed on to valves placed on that pipe run. This article will explain how cascading works in this case. For this article, we will pass on the temperature values from Pipe Run to the connected valve.

Steps to Accomplish

1. Open Class Editor and load OpenPlant_PID schema.
2. Supplement OpenPlant_PID_Supplemental_Imperial/ISO schema on it.
   
   
3. Go to PIPING_NETWORK_SEGMENT class.
   
   
4. In the properties tab, select NORMAL_OPERATING_PRESSURE property.
   
   
5. Click Custom Attribute button on the right side and select Copy option.
   
   
   
   
6. Select Notify Related component attribute from copy custom attribute dialog and click Down Arrow button.
   
   
   
   
7. Click Copy button and now select NORMAL_OPERATING_TEMPERATURE Property.
   
   
   
   
8. Click Override button to make this property editable.
   
   
   
   
9. Again click on Custom Attribute button and select Paste option.
   
   
   
   
10. On NORMAL_OPERATING_TEMPERATURE property, go to the attribute which has been copied and make the changes as highlighted in below picture.
    
    
    
    Note: As shown above Property name and class names have been modified. Since we have OPERATING_TEMPERATURE property instead of NORMAL_OPERATING_TEMPERATURE on FLUID_REGULATOR class, therefore we have made these changes.
    
    
    
11. Save the changes in the schema.

Verify the Results

1. Re-launch OPPID after the above mentioned steps.
2. Open the drawing in the same project where changes have been made to the schemas.
   
   
3. Place a pipe run and key-in a value in Normal Operating Temperature property.
   
   
   
   
4. Place a valve on the pipe run.
   
   
   
   
5. Now check the Element Info dialog. You will see the Operating Temperature value in it.
   
   
   
   

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