Creating A User-Defined Server Interface - Siemens SIMATIC ET 200AL System Manual

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Creating a user-defined server interface

Introduction

The description is based on the following example:

A protective fence surrounds the production cell "Cell_1". The fence is equipped with the gate

An S7-1500 CPU controls the entire production cell and also controls access through Gate_1.

A robot packs drugs into boxes in the production cell and then stacks the boxes on pallets.

Self-driving vehicles for automated material transport move the pallets to the central

warehouse, thereby passing through Gate_1.

The CPU publishes a server interface via which the driverless transport systems arrange for

Gate_1 to open.

The server interface contains the server method "smOpenGate" for opening the gate and the

tag "Gate_1_State" which indicates the status of the gate (open or closed).

Creating a user-defined server interface

To create an Server interface, follow these steps:

1. Select the CPU that you have used and configured as OPC UA server.

2. Click "OPC UA communication > Server interfaces".

3. Double-click "Add new server interface".

STEP 7 displays the following dialog.

4. Change the name of the new server interface so that it is descriptive in your project.

In the example, change the name "Server-interface_1" suggested by STEP 7 to "Cell_1".

5. Click "Server interface" and then "OK".

Communication

Function Manual, 05/2021, A5E03735815-AJ

Adding the server interface

OPC UA communication

9.3 Using the S7-1500 as an OPC UA server

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