Beckhoff XTS Part 7: Customizing Logic

In previous entries of this blog series, we went over the Mover, Station, and PositionTrigger function blocks. Now that we understand these function blocks better, let's use them to write our own custom logic. 

This blog will continue to use the Beckhoff XTS_Base GitHub and the large XTS starter kit. 

Beckhoff XTS Series

• Part 1 - Downloads and Starter Project
• Part 2 - Setting Up a Physical XTS System
• Part 3 - Simulation and PLC Logic
• Part 4 - Movers
• Part 5 - Stations
• Part 6 - Position Triggers

Customizing the Logic

Let’s update this logic to customize our system a bit more. For my system, I’m going to have stations and position triggers at the following places:

Update the Station and Position Trigger Positions

Remove the existing station and position trigger definitions on lines 108-117 and replace it with the following:

This will define the stations and position triggers as shown above.

Updating the Station and Position Trigger Logic

Next, we need to update the logic of these stations and position triggers to get them to behave as we want. For this application, let’s have the mover run at high velocity across the top rail, then go down to the low velocity around the bend. Once it clears the bend, it can go back up to the medium velocity until it reaches the next station. Once we have a mover in each of the four bottom left stations, send them all back to station 0. Replacing lines 210-265 with the following code will do that:

Execute the New Code

Save the new code and activate the configuration. After logging in, you should be able to open the Controls visualization, press the Enable button, and then the Start button to start seeing the movers follow the new logic.

This is just an example of the many customizations you can make to your XTS system. There’s even more functionality that comes with this starter project, though. In the next entry in this blog series, we will go over zones and add those to our custom logic.

If you’d like help with the next steps for your XTS system, DMC is proud to be a Beckhoff System Integrator and has worked on multiple XTS projects and applications. Learn more about our Beckhoff partnership and contact us for your next project.

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