Configure Multiple Process Data Integration and OPC Servers

Depending on your specific system architecture, you may have multiple Process Data Integration and OPC Server machines.

The following diagram illustrates multiple OPC Servers in the standard configuration where the OPC Server is the same machine as the Process Data Integration (PDI) Server (i.e., the OPC Server software is installed on the PDI Server).

The following diagram illustrates multiple OPC Servers in an alternative configuration where the OPC Servers are separate machines from the PDI Servers.

In either of these scenarios, when you complete the first-time deployment steps for PDI, you must install and configure the Process Data Integration Service on each Process Data Integration Server machine.

Whether the OPC Servers are the same machine as the Process Data Integration Servers or not, in the GE Digital APM application, you will create an OPC System record for each OPC Server (e.g., OPCServer1 and OPCServer2). Then, when you configure the Process Data Integration Service, you must specify the appropriate OPC Server record in the xiServers attribute within the meridumConnections tags. For example, the connection string on each machine might look like this:

On the first Process Data Integration Server: <connection name="EXAMPLE_CONNECTION" applicationServer="APPSERVER_NAME" datasource="DATASOURCE_NAME" userId=" SERVICE_USER_NAME" password="!PaSsWoRd" xiServers="OPCSystem1" />
On the second Process Data Integration Server: <connection name="EXAMPLE_CONNECTION" applicationServer="APPSERVER_NAME" datasource="DATASOURCE_NAME" userId="SERVICE_USER_NAME" password="!PaSsWoRd" xiServers="OPCSystem2" />

GE Digital APM Installation and Upgrade