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Elevator Load Sensor LS BOARD HLC-2004 Accuracy

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December 31, 2025
Category Connection: Elevator Spare Parts
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Brief: This video provides a case-style overview of the LS BOARD HLC-2004 elevator load sensor, demonstrating how it processes signals from weighing sensors to ensure accurate load detection. You'll see how it triggers safety protocols during overload conditions and optimizes elevator operation through real-time torque compensation for enhanced ride comfort and efficiency.
Related Product Features:
  • Receives analog signals from car bottom weighing sensors, amplifies and filters them, and converts them into digital load values via A/D conversion.
  • Supports parallel input of multiple sensors and uses algorithms to eliminate off-center load errors for improved weighing accuracy.
  • Presets full load and overload thresholds, triggering protection logic that prevents elevator start-up during overload and sounds an alarm.
  • Automatically switches to direct drive mode during full load conditions, prioritizing car commands to improve operating efficiency.
  • Outputs load compensation signals to the main control system to adjust motor torque, ensuring smooth starting and braking.
  • Supports dynamic load monitoring and real-time compensation adjustment to enhance ride comfort and prevent slippage.
  • Compatible with Hyundai STVF5/STVF7 series elevators and communicates with main control boards via CAN bus.
  • Features a built-in self-diagnostic function with parameter calibration and fault code output for easy troubleshooting.
FAQs:
  • What safety functions does the LS BOARD HLC-2004 provide during elevator overload?
    The device presets overload thresholds at 110% of the rated load. When triggered, it prohibits the elevator from starting, activates a buzzer alarm, and displays a fault indication to ensure operational safety.
  • How does this load sensor improve elevator ride comfort?
    It outputs load compensation signals to the main control system, which drives the frequency converter to adjust motor torque. This offsets weight differences for smooth starting and braking, and supports real-time dynamic load monitoring to further enhance comfort.
  • Which elevator systems is the LS BOARD HLC-2004 compatible with?
    It is compatible with Hyundai STVF5 and STVF7 series elevators, communicating with main control boards such as H21/H23 via CAN bus for seamless integration and control.
  • What maintenance features are included with this load sensor board?
    The board includes a built-in self-diagnostic function that supports parameter calibration and outputs fault codes, enabling maintenance personnel to quickly identify and resolve issues.
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