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OPC UA extension is available through Extension Manager. When the BMS Core Studio is stopped, the Extension Manager can be started from the BMS Studio menu Extensions / Manager / Start extension manager...
- Open the Extension Manager on the PC where you have the Internet connection.
- Navigate to the "Not installed" tab. Select the "OPC UA". Afterwards, press the "Install" button
After a successful installation the confirmation appears:
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The NETx Server provides a OPC UA Client module to integrates data points from other OPC UA Servers. After installing the plugin, in the Modules>OPC UA>Server definitions. This menu is corresponding with adding another OPC UA Servers to the BMS Platform.
In the following example a another BMS Platform that is running as a OPC Server.
| Parameter | Description |
|---|---|
| Name | The given name of the OPC UA Server in BMS Server. |
| Path | The generated Path in Item Tree. |
| URL | The URL of the OPC UA Server. |
| User Security | To enable a secure connection. |
| Add Unknown Certificates | To enable Unknown Certificates(by default enabled). |
| Username | If the OPC UA Server requires Authentication with a Username and a Password. |
| Password | If the OPC UA Server requires Authentication with a Username and a Password. |
| Write timestamps | Choose which timestamp to write. |
Adding data points:
In Server definitions Server has been configured. Now OPC UA data point can be defined.This is done within the "Modules>OPC UA> Data point definitions" . Datapoint definitions should match the the OPC UA Server item. In the following example a datapoint from another BMS Platform that is running as a OPC Server. 
| Parameter | Description |
|---|---|
| Server Name | The name of the OPC UA (should match Name form Server definitions). |
| Name | The name of the Datapoint . |
| Path | The generated Path in Item Tree. |
| Namespace Index | The index of the namespace URI in the namespace array. |
| NodeId Type | The Type of the Node ID (by default String). |
| NodeId Value | The required Datapoint ID. |
| Data type | The data type of the Datapoint . |
| Access mode | Read, Read and Write or Write. |
Synchronize | If this parameter is set to “True (T)”, the value is synchronized between the main and backup server (if present). |