Connecting with OPC UA
Connecting to a Device
With the Ignition OPC UA module and and device drivers installed, connecting to a devices is simple. To quickly get connected to one of your devices, go to the Config section of the Ignition Gateway and scroll down to OPC UA > Device Connections. The Device page will appear showing all of your installed devices. To add a new device, click on the blue link, Create New Device. Ignition has several device drivers available, and the Device Type list will be populated based on what Driver modules you have installed. Select the type of device connection you want and fill in the details for you device connection. See the device types below for more information on connecting to your specific device type:
Connecting to a Server
If you don't see the type of device you want, then you can always connect with another OPC UA or OPC DA server.
OPC Quick Client
After you connected to a device, you can access the OPC Quick Client in the Gateway. It allows for quick, simple testing of any devices connected to the server.
You can find the Quick Client under the OPC Connections section of the Ignition Gateway Config section. You can browse by expanding the tree nodes and read from or write to OPC tags by clicking on the [r] and [w] buttons next to those tags.
Subscriptions can be made by clicking on the [s] button. Clicking on the enable live values link will automatically refresh subscriptions and show live value changes (if there are any).