... Relay control SUS304 flap gate , flap barrier gate , flap gate barrier , flaP barrier, Passage Flap Barrier Turnstiles ,security speed gate , automatic access control gate, flap barrier door 1.Technical ... Pulse Signal,Current>100ms, relay 10Communication ConnectionRS485 Communication Module Standard.11MaterialSUS304,12Running Life3 Million(Continuous Opening and Closing Operation)13Protection ...