Learn about network connection types for PI AF
- Last UpdatedMay 30, 2025
- 1 minute read
- PI System
- PI Server 2018
- PI Server
As shown in this example, a PI AF system includes multiple network connections.
Description of the types of connections shown in example
This table explains the types of connections shown in the image.
|
Connection Type |
Description |
|---|---|
|
A |
The connection between the PI AF server and any PI AF SDK client, including PI System Explorer, allows the client to read and write structure information such as elements and models between the PI AF SDK and the PI AF server. |
|
B |
The connection between PI AF server and Active Directory allows the PI AF server to read a list of Active Directory users, which are in turn exposed through PI AF as contacts. |
|
C |
The connection between PI AF server and SQL Server allows the PI AF server to read and write structure information, such as elements and models, to a SQL Server database. |
|
D |
The connection between a PI AF client and a Data Archive allows a PI AF client to read and write PI data, but attribute values (non PI point) are written with connection type A. |