LG Sigma Elevator Display Board AHM-116N
Model No.: AHM-116N
An elevator display board is an essential component of modern elevator systems, providing real-time visual information to passengers and operators. It typically interfaces with the elevator control system to display key details like floor numbers, direction of travel, status messages, and other indicators.
Functions of an Elevator Display Board:
1.Floor Number Indication:
Displays the current floor where the elevator is located.
Updates dynamically as the elevator moves.
2.Direction Indication:
Shows arrows or symbols indicating whether the elevator is going up or down.
3.Status Messages:
Displays messages such as “Overload,” “Maintenance Mode,” “Out of Service,” or “Emergency.”
4.Call Confirmation:
Confirms registered floor calls to reassure passengers that their input has been received.
5.Time and Date:
Advanced display boards may also show the current time and date for passenger convenience.
6.Custom Messages:
Some systems allow custom messages or advertisements to be displayed on larger boards.
Types of Elevator Display Boards:
1.Segment Displays:
7-Segment Displays: Used for simple numeric indicators, such as floor numbers.
14-Segment or 16-Segment Displays: Used for alphanumeric characters for detailed messages.
2.Dot Matrix Displays:
Use an array of LEDs to display customizable text, symbols, or animations.
Common in more advanced or modern elevators.
3.LCD Displays:
Provide high-resolution visuals, often used in luxury or high-tech elevators.
Can display images, videos, or scrolling text.
4.OLED Displays:
Offer vibrant colors and high contrast for premium systems.
Used in elevators with sleek, modern designs.
5.TFT Screens:
Full-color displays capable of showing multimedia content such as ads or interactive graphics.
Components of an Elevator Display Board:
1.Microcontroller or Processor:
Drives the logic for updating display content.
2.LEDs or Screen Panel:
Provides the visual output.
3.Communication Interface:
Connects to the main elevator controller via protocols like RS485, CAN, or Ethernet.
4.Power Supply Unit:
Supplies appropriate voltage and current to the display.
5.Mounting Hardware:
Ensures secure installation inside the elevator car or at landing positions.
Common Issues and Troubleshooting:
1.Dim or Non-Functional Display:
Check for loose wiring or a failed backlight.
Verify the power supply to the display board.
2.Incorrect Floor Indication:
Ensure proper calibration with the elevator controller.
Check for faulty sensors or communication errors.
3.Flickering or Erratic Behavior:
Inspect the board for damaged components or poor connections.
Update firmware if the system supports it.
4.No Communication:
Verify the interface cable and protocol settings with the elevator control system.
Installation and Maintenance Tips:
1.Proper Alignment:
Ensure the display is easily visible to passengers and properly aligned.
2.Firmware Updates:
Regularly update the firmware to maintain compatibility and introduce new features.
3.Dust and Dirt Protection:
Keep the display clean to prevent reduced visibility or overheating.
4.Redundancy Testing:
Test the display’s communication with the control system after installation or repairs.
