Implementation Guide – Workflow

With this small implementation guide article we would like to make it easier for you to start implementing your WS projects. On the one hand, the workflow for the implementation is briefly explained and on the other hand, you will find an overview of the WS products.

The workflow from a WS idea to the WS Server in the machine

Step 1: Modeling your WS machine

Each of your WS machines requires its own information model. WS Modeler, the modeling tool for the Weihenstephan Standards, provides support in creating such information models.

Creation of a new model for the desired domain. To do this, select the appropriate WS Machine Profile for your machine. The WS Modeler supports you in selecting the desired WS data points. Configure the information model further, for example by specifying machine data for the identification.

After configuration, the information model can be exported as OPC UA NodeSet for WS OPC UA. As an alternative, the export of a PDA Config for WS protocol is available.

Selection of the desired machine class

Enter the required meta information

Choose optional data points…

…or add additional data points

Set the details of the data points

Create the NodeSet file

Open your favorite UA modeling tool and import all required Companion Specifications

Import the created NodeSet file for your machine

Step 2: Mapping your data with the information model of the WS machine

In this step, the data of the machine is mapped to the WS information model of the machine. The data for counter values or measured values, for example, are often already available. This can be in the form of PLC variables, for example. In many cases, the development environments already support the import of OPC UA NodeSets. Thus, a mapping is simple and straightforward. Vendor-specific tools are also available for WS Protocol.

Step 3: Starting the WS Server for your WS Machine

In the final step, the WS OPC UA or WS Protocol server is started. After this, the data of the machine is available according to the Weihenstephan Standards for clients.

Overview of tools and products for the WS

You need support for the implementation of the Weihenstephan Standards?
Here you can find solutions which are offered by WS members and support you in the implementation of your WS projects.



WS Version


SIMATIC/SIMOTION Weihenstephan Standards



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