How to use logic functions to control the boiler call for heat in an Eelectron KNX PWM based UFH control system
If you want an ON if any PWM based valve is more than 1% and OFF if all are set to 0% you can implement that with 3 simple logic by setting all in OR between each other. First logic, setting in OR first 4 PWM Second logic, setting in OR other 4 PWM ...