The reasons and solutions for MyDrive unable to activate COM are as follows
The possible reasons include the following:
- The USB to COM on the PC is not installed with the correct driver (CH341SER driver)
- The stepper drive connected to the PC via USB is not powered
- The stepper drive module is simultaneously connected to both EtherCAT and micro-USB
- There are issues with the USB to micro-USB cable connecting the PC and the stepper drive
– Please ensure that the cable has transmission capabilities
– Consider purchasing an isolated cable
Troubleshooting Methods:
- The USB to COM driver on the PC is not installed correctly (CH341SER driver)
– Please download the CH341SER driver from the TPM official website and install it(click here to download)
- The stepper drive connected to the PC via USB is not powered
– Please check if the drive’s power supply is functioning properly
- The stepper drive module is simultaneously connected to EtherCAT and micro-USB
– Please disconnect the EtherCAT network cable first, then restart the power supply of the stepper drive
– Restart MyDriver and proceed with the connection again
- There is an issue with the USB to micro-USB cable connecting the PC and the stepper drive
– Please ensure that the cable has transmission functionality
– Consider purchasing an isolated cable
