| Brand | |
| Description | Elevator Door Controller | 
| Part No. | VVVF4+ VF4+ | 
| MOQ | 1PC | 
| Transportion | TNT, UPS, DHL, Fedex, Air, Sea | 
| Applicable | Elevator | 
| Packages | Carton, Wooden case, Pallet etc | 
| Delivery Time | Normally 2-3 working days after payment | 
| Warranty | One year | 
| Payment Method | Company Bank, Western union, alibaba, Paypal, Personal bank etc | 
Pictures for Original Elevator Door Inverter Controller VVVF4+ VF4+

Elevator door machine controller, including door machine main circuit and door machine control board, said door machine control board is provided with encoder interface for connecting rotary encoder, CAN-BUS for connecting elevator control system through CAN-BUS The interface circuit and the main processor for obtaining the door-opening in-position signal or the door-closing in-position signal through the encoder interface and sending the signal to the elevator control system via the CAN-BUS interface circuit, the main external processor is respectively connected to the CAN-BUS interface Circuit, main circuit of door operator and communication connection of encoder interface.