Exporting The Xml File With The Enabled Plc Tags - Siemens SIMATIC ET 200AL System Manual

Distributed i/o system

Hide thumbs Also See for SIMATIC ET 200AL:

Table of Contents

OPC UA communication

9.3 Using the S7-1500 as an OPC UA server

Procedure for creating an array DB

You can create arrays for example in global data blocks, in the instance data block of a

function block or as an array DB . The following sections describe how to create an Array-

To create a data block with an array (array data block), follow these steps:

1. Select the CPU with the OPC UA server in the project tree.

2. Double-click "Program blocks".

3. Double-click "Add new block".

4. Click "Data block".

5. Select a unique name for the data block and accept the name that is already entered.

6. Select the "Array DB" entry from the drop-down list for "Type".

7. Select the data type for the individual components of the array from the drop-down list for

"Array data type".

8. Enter the high limit of the array for "Array limit".

9. Click "OK".

Exporting the XML file with the enabled PLC tags

Generating an OPC UA export file

For the offline configuration of an OPC UA client, you can use an XML file in which all

enabled PLC tags are described.

You can export the OPC UA XML file from your project with STEP 7 (TIA Portal); the file is

structured in accordance with the OPC UA specification.

To create and export the XML file, follow these steps:

1. Select the CPU. Click on the CPU symbol (for example in the network view).

2. Click "General > OPC UA > Server > Export" in the properties of the CPU.

3. Click the "Export OPC UA XML file" button.

4. Select the directory in which you want to save the export file.

5. Select a new name for the file or keep the name that is already entered.

6. Click "Save".

Server methods are not included in the OPC UA export file.

Function Manual, 12/2017, A5E03735815-AF

Communication

Table of Contents