With watervolume, heatingpower, heatingefficient and target-temperature the estimated time to reach the target-temperature at the defined datetime is calculated.
This step-plugin waits until the calculated time is reached then sets the target-temperature of the defined kettle and wait again until the defined datetime is reached.
The Datetime format has to be: DD.MM.YY-HH:MM
Wrong formats will raise a Notification with en error.