Now you can see the Temp tag in the Tag Browser. The Configuring Siemens Addressing section below, explains how your can construct these addresses. In the Tag Editor window, as an example, you can set the following values: Name: Tag Data Type: Int4 OPC Server: choose Ignition OPC-UA Server from the dropdown OPC Item Path: IW0, the S71200 device name goes in the square brackets then you give the address to PLC which in this example is IW0 (Word at Offset 0 in the Inputs area).
From the Designer, in the Tag Browser, right-click on Tags folder, and then go to New Tag > OPC Tag.This can be done either manually, as needed, or by importing bulk using the Tags CSV import functionality. Therefore, you must configure all tags in the Designer. The S7 protocol does not support tag browsing. To see and browse the tags, you need to create the tags manually as described in the Addressing section. Unlike other PLCs, but just like Modbus, Siemens devices do not support browsing, therefore you can not browse the tags by going to the OPC Connections > Quick Client in the Configure section of the Gateway. The Status will show as Disconnected and then Connected. The Devices page is displayed showing the Siemens device is successfully created and added to Ignition. You can check the box for Show advanced properties? to see the additional settings, but you can keep all the defaults.On the New Device page, leave all the default values and type in the following fields: Name: S71200 Hostname: type the IP address, for example 10.20.4.71.Siemens S7-400 Which connects to Siemens S7-400 PLCs over Ethernet.Siemens S7-300 Which connects to Siemens S7-300 PLCs over Ethernet.Siemens S7-1200 Which connects to Siemens S7-1200 PLCs over Ethernet.Siemens S7-1500 Which connects to Siemens S7-1500 PLCs over Ethernet.On the Add Device Step 1: Choose Type page, select Siemens S7-1200, and click Next.On the Devices page, find the blue arrow and click on Create new Device.Scroll down and select OPC-UA Server > Devices.Go to the Configure section of the Gateway webpage.
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