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LIFT, ESCALATOR AND BUILDING MANAGEMENT SYSTEM - Coggle Diagram

- - - - Control System
      - Sheave
      - Motor
      - Roping
        
        Single Wrap 1.1
        
        The simplest but will be prone to slippage if subjected to heavy loads
        
        Single Wrap 2.1
        
        Number of pulleys and the wrapping ratios increased to improve the resistance to slippage
        
        Single Wrap 3.1
        
        More pulleys used
      - Active Roller Guide
        
        Reduce lateral vibration
  - - - Door Opener System
      - Multi Beam Door System
        
        Prevents passengers from being caught by the doors,
        
        Doors reverse and open if beams are blocked during door closing.