... safety tongs, guide shoe, gate power operator, levelling device, elevator operation panel, lift car inside command button, indicator, lift ... button box, floor displayer, door mechanical locker, elevator electric interlock. II. Elevator basic function 1, Input voltage: AC 380, 50Hz ... control. 3, Programmable controller (PLC) :Mitsubishi(you can select Siemens, or Omron) Input voltage: AC 220V, 50Hz 4, ...