I managed to create a tableview and a schemeview of some DI in modbusTCP. The WebUI plays sound when a DI changes value. Is there a way to make it play sound repeatedly, until the allarm is acknowledged?
You asked a right question. This feature is frequently asked for, but has not implemented yet. I hope it will be implemented in the future.
For now, you can add physical beeper to a system (connect it to a relay), create an input channel indicates alarm state and use Automatic Control Module to on and off a beeper. Also you need to add an output channel to off the alarm.