OPC DA Client

Two OPC test clients are shipped witt the OPC Server or PLC Engine Collect product family. One is for OPC-UA and OpcPipe tests, the other allows Windows OPC Classic tests.

Show available OPC-Server

The OPC Classic test client looks for all locally registered servers. Select one from the list.

Connect server and client

After the selection of „Tani OPC Server“ press OK. If an error message occurs:

- Check for the installation of the OPC core components. Mostly other installed software did remove some of the OPC core components.

- Check the DCOM-Settings. More information to DCOM comes from Microsoft.

Add Groups

As minimum one group must exist. From the menu select Group > Add Group. Just pressing OK is possible.

Add Items

Over the menu select Item > Add Items. Best choose the items with the small + shown in the tree.

If no symbols are be browsable (in Siemens S7, import them before) a S7 connection is defined enter in the Access Path field: "s7.mw0"

Handle Symbols

S7 Symbol Import

If the item is specified, Validate can be used to check whether the server accepts the item.

With OK the item is registered with the server. The variable is displayed in the main window with the Value Quality and Updates.