Course Content

  • Elevator Control Logic

Course Content


Each elevator cab has a button panel on the interior with these buttons. When these buttons are pressed, the controller receives signals identifying the intended floor number and elevator cab from where they were pressed. To indicate the state of the buttons, it also provides light on/off signals.

An elevator controller is a mechanism for manually or automatically controlling elevators. The elevator's controlling component and fixtures are powered by a low-voltage power supply (except the items mentioned above, they use the single phase power supply.).

The PLC (Programmable Logic Controller) technology uses electronic components to replace old relay switches and various timers, resulting in more consistent and trustworthy elevator performance. ‘...' Relay-type selectors should be upgraded so that cars "remember" floor locations following power outages.

Elevators are utilised in practically all multi-storied buildings in urban areas, hence replacing traditional elevators with PLC technology-based elevators is critical. Elevator control systems in the past were relay logic controlled.

  • Elevator car & shaft.
  • The Sheave & Motor.
  • Control unit.
  • Counterweight.
  • Machine drive.
  • Counterweight guide rails.
  • Guide rail fixing bracket.
  • Car guide rail.

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