Actually I just now noticed that you have newer firmware (6.1) in your controller than what I used for testing originally (5.3, 5.4 and 5.7). Checking the Windows driver release notes there seems to be some issues with the connection too and they have increased the status query rate to every second for that reason, but that was the default in INDI driver already. You can try to play with the polling period setting, but I'm not too hopeful. It's currently also limited to once every 1-3s.

There is a hardware watchdog that resets the controller if it doesn't receive commands from ethernet for some time, so if that is on for some reason, that might cause this resetting thing even if the controller receives commands from serial port. The watchdog can be disabled with the Windows driver I think or by connecting to the serial port with some serial communication program like Minicom or Arduino IDE and sending command setEthWatchdog=0

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