EWf - ON delay and OFF delay with the control contact S. Independent settings of T1 and T2 intervals.
Time relay input is powered by voltage U in a constant way. Closing the control contact S starts measuring the time T1. After T1 time is finished, the relay R turns on. Opening the control contact S starts measuring the time T2 - delayed turning off the operating relay R. After measuring T2 time the operating relay R turns off.
Relays performing the function "EWf": MT-W...
