How to Upload and Monitor Code on a Beckhoff TwinCAT 3 PLC

This guide will get you started with Beckhoff PLCs by showing step by step how to go online with an existing PLC to monitor or troubleshoot existing code on a running PLC.

To upload the code from the PLC for modification or backup, just follow step 1.

1. Upload PLC code
   1. Open the TwinCAT XAE in Visual Studio.
   2. Select File > Open > Open Project From Target…
   3. Select the PLC, then OK. See this guide for finding and connecting to a PLC.
   4. Select location on local computer to save PLC code project.
2. Log in to monitor code
   1. Set the target system to the target PLC in the drop down box.
      
   2. Click the green log in button of an arrow pointing into a box.
   3. Open the PLC tab in the solution explorer window and select the code you would like to monitor.

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