OTIS Photoelectric Sensor DAA629F2 Elevator Leveling Switch for Precise Floor Leveling Door Safety Interlock Control and Floor Position Calibration

OTIS Photoelectric Sensor DAA629F2  Elevator Leveling Switch Floor Position Detection & Door Safety Control  Original Lift Spare Parts

Precise Floor Leveling (Main Function)
Detects the leveling vane at each floor, sending real‑time position signals to the mainboard. Ensures ±1mm accurate leveling, eliminating tripping hazards and improving passenger comfort.
Door Safety Interlock Control
Interlocks with door circuits: only when the sensor confirms full leveling can doors open; prevents door opening mid‑travel and ensures safety.
**Floor Position Calibration & Correction
Acts as a floor reference point, helping the system calibrate position data, correct cumulative errors, and avoid mis‑leveling or floor skipping.

Fault Detection & Protection
Monitors beam integrity; triggers fault alarms for signal loss or abnormality, supporting quick troubleshooting and reducing downtime.
Wide Compatibility & Easy Installation
Direct replacement for Otis DAA629F series; plug‑and‑play, no complex calibration. Suitable for residential, commercial, and hospital elevators.