Connect Instrument to Instrument
- Last UpdatedOct 03, 2025
- 2 minute read
Draw a process instrument connection line between two instruments to connect the instruments.

Connected Items
The first connected and second connected values indicate the items that are connected to a process instrument connection line.
To display the first connected and second connected attributes, select the process instrument connection line on the drawing canvas.
Open the Attributes window and navigate to the First Connected or Second Connected attribute.

Note:
The Ref Related Instrument association for I01 is updated with I02 when a process
instrument connection line is drawn from I01 to I02. To display the I01 information
in the I02 attributes, an inverse association for Ref Related Instrument must be built
into the conceptual model.
Process Instrument Connection Specification
The process instrument connection specification value indicates the piping specification of the selected item.
To display the process instrument specification attribute, select the item on the drawing canvas.
Open the Attributes window and navigate to the Process Instrument Connection Specification attribute.

Click ... to display the Assign specification window.
Refer to Assign Piping Specification for further information.