By default, they update at a rate of 1 per second. You can see their values come in and start updating automatically. OPC Server - Siemens SPC Installation, Configuration, Usage User Manual V1.2 / from 24 1. As soon as you drag the tags into Tag Browser, you can see their values being updated in the Tag Browser. When you drag folders, Ignition keeps the same hierarchy as the PLC. From the OPC Browser, highlight the tags (for example, as in the picture below, both folders inside the SIM folder) and drag them to the Tags folder in the Tag Browser. You can drag individual tags or folders.RSLinx 2.0 to 2.20 OPC servers only support the browsing capability on Control Logix. RSLinx OPC server is an in-process type of server, which means that you have to load a DLL to communicate with it.
Browse the devices and find some tags that you're interested in. The OPC server is available only with the OEM version or the full version, so the lite version of RSLinx does not have the OPC Server included. In the Tag Browser, select the Tags folder and click the Browse OPC Servers icon. The OPC Browser is displayed and you can browse all of your OPC connections. By default, you've got a connection to the internal Ignition OPC-UA Server, which has any devices that may be connected.The easiest and most common way to create Tags in Ignition is by dragging the tags from the OPC Browser into the Tag Browser window in the Designer.