OTIS Leveling Sensor GBA22439E2 GEN2 Traction Belt PRS Headreader Precise Floor Position & Speed Detection Original Elevator Spare Parts
Precise Floor Leveling (Core Role)
Reads magnetic strip data on the GEN2 traction belt, delivering real-time absolute position feedback to the main controller. Achieves ±1mm ultra-precise leveling, eliminating tripping hazards and improving passenger safety & comfort.
Real-Time Speed Monitoring
Detects belt movement speed and direction, providing high-resolution speed signals to the drive system. Ensures smooth start, constant-speed operation, and jerk-free stopping, preventing elevator shaking or swaying.
Position Reference & Calibration
Acts as the elevator’s primary position reference, enabling the control system to calculate floor height, change-speed points, and terminal limits. Critical for preventing overtravel, top landing, or bottoming risks.
| Brand |
SULAB |
| Description |
Elevator parts |
| Model |
GBA22439E2 |
| 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 |
Fault Diagnosis & System Protection
Monitors signal integrity in real time; triggers fault alarms & safety stops for abnormal signals (e.g., sensor failure, belt deviation). Supports predictive maintenance, reducing downtime and repair costs.
Perfect Compatibility with GEN2 System
Original OTIS part, 100% compatible with GEN2 controllers and inverters. No complex calibration needed after replacement—plug-and-play, ideal for hotels, offices, residential buildings, and hospitals.
Elevator Sensor – FAQs
Q1: What types of sensors are commonly used in elevator systems?
Elevators use sensors for position detection, leveling, door monitoring, and other control functions. Common sensing technologies include magnetic, inductive, and photoelectric types, depending on the application.
Q2: Can elevator sensors with the same appearance be interchangeable?
Not necessarily. Similar-looking sensors may differ in sensing principles, supply voltages, output logic, detection distances, or connector arrangements.
Q3: What is the difference between NPN and PNP sensor outputs?
NPN and PNP sensors use different transistor output configurations. The correct type depends on the input circuit and wiring requirements of the elevator controller.
Q4: What can cause an elevator sensor to provide an incorrect signal?
Possible causes include incorrect alignment, damaged wiring, unstable power supply, contamination, electrical interference, or sensor failure. The connected controller and sensing target should also be checked.
Q5: What information is required to identify a replacement elevator sensor?
Please provide the original part number, sensing type, supply voltage, output signal, sensing distance, mounting dimensions, and connector details.
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OTIS Leveling Sensor GBA22439E2 PRS Headreader with Precise Floor Position Detection Real-Time Speed Monitoring and GEN2 Traction Belt Compatibility Images
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