Flash Loader Tool 750 Hot -

Add a 22-ohm resistor in series with the TX line from the host near the STM32. This dampens overshoot caused by impedance mismatch at 750k baud.

Download the exact firmware version tailored to your specific WAGO 750 module variant (e.g., 750-880, 750-881, 750-8212). Never guess or use a file meant for a different item number. flash loader tool 750 hot