Replacement HD40H8-2500-4-L-B Encoder for Elevator Door Drive System with 2500 Pulses Per Revolution Closed-Loop Control and Anti-Pinch Protection
Replacement Encoder HD40H8-2500-4-L-B For Elevator Door Drive System For Ouling Shenling Door Operato
Functions of HD40H8-2500-4-L-B Encoder
Speed DetectionDetects real-time rotation speed of door motor via 2500 pulses per revolution. Controls opening/closing speed curve smoothly.
Direction JudgmentIdentifies door opening or closing by phase difference between A and B pulse signals.
Position FeedbackProvides accurate door position (fully open / fully closed) for precise stopping control.
Door Width Auto-LearningRecords maximum door opening distance during commissioning for stable operation.
Anti-Pinch ProtectionDetects motor speed drop when obstacle is detected. Controls door to reopen automatically.
Closed-Loop ControlEnsures stable, quiet, accurate door movement without shock or overrun.
Fault MonitoringAlerts encoder error, speed abnormality, or position loss to protect door system.
| Brand | SULAB |
| Description | Elevator parts |
| Model | HD40H8-2500-4-L-B |
| 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,Paypal etc |
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