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Technical Reference Manual - InduSoft

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Tags and the Project Database<br />

The TwinCAT Interface Configuration dialog is displayed.<br />

TwinCAT Interface Configuration dialog<br />

7. In the AMS Net ID box, type the AMS Net ID of the TwinCAT PLC that you want to communicate with.<br />

For example: 5.0.112.206.1.1.<br />

8. Select the port number on which the TwinCAT runtime system has been configured to run.<br />

9. To the right of the Symbol File box, click Browse, and then locate the the TwinCAT symbol file (*.TPY) that<br />

you created earlier.<br />

10.Click OK to finish the configuration.<br />

If the configuration is successful, then the TwinCAT tags will be immediately available in the Object Finder.<br />

CONFIGURING YOUR TWINCAT PROJECT FOR TAG INTEGRATION<br />

This task describes how to export a symbol file from a Beckhoff TwinCAT project. It is a prerequisite for<br />

TwinCAT tag integration.<br />

The TwinCAT project development software automatically exports its project database to a symbol file every<br />

time you rebuild your TwinCAT project. However, TwinCAT exports the entire database by default, including<br />

many system and library variables that IWS cannot import. You must reconfigure your TwinCAT project<br />

options to export only the POUs and Global Variables and then rebuild your TwinCAT project to generate a<br />

fresh symbol file.<br />

Note: As of version 2.8, the TwinCAT development software exports the symbol file in both *.SYM<br />

and *.TPY formats:<br />

• *.SYM is a legacy format that is included for backward compatibility. Beckhoff recommends that<br />

it be used only with TwinCAT OPC Server.<br />

• *.TPY is a new, XML-based format that should be used in all other situations, including<br />

importing into IWS.<br />

1. Open your TwinCAT project using the TwinCAT development software.<br />

2. On the Project menu, click Options.<br />

The Options dialog is displayed.<br />

Page 152<br />

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