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Crystal StewartAug 4, 2025
Why is communication with my PI Controller failing?
- Jjeremy61Aug 5, 2025
Communication with the PI Controller might fail due to several reasons: * The wrong or defective communication cable is used. Use a null-modem cable for the RS-232 connection. Check the cable on a working system. * The USB driver is not installed. Log in with administrator rights, insert the product CD, and follow the instructions. If the controller is still not detected, reconnect the USB cable. * The baud rate is not configured correctly. Check DIP switches 5 and 6 for the baud rate. Ensure every controller in a daisy chain network has the same baud rate. * The controller address is not configured correctly. Check DIP switches 1 to 4 for the controller address. * Another program is accessing the interface. Close the other program.
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