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PowerPoint® PresentationPowerPoint® Presentation
Chapter 11Chapter 11Elevator System Control Devices and
ApplicationsElevator System Control Devices and
Applications
Elevator Systems • Conveyance • Calls • Access • Special Operating Modes • Elevator System Control Devices • Elevator System Control
Applications
Elevator Systems • Conveyance • Calls • Access • Special Operating Modes • Elevator System Control Devices • Elevator System Control
Applications
Chapter 11 — Elevator System Control Devices and Applications
Chapter 11 — Elevator System Control Devices and Applications
Conveying systems include systems to automatically transport people and/or materials between areas of a building.
Conveying systems include systems to automatically transport people and/or materials between areas of a building.
Chapter 11 — Elevator System Control Devices and Applications
Chapter 11 — Elevator System Control Devices and Applications
While passenger elevators are the most common type of elevator, other types of elevators are specifically designed for other functions.
While passenger elevators are the most common type of elevator, other types of elevators are specifically designed for other functions.
Chapter 11 — Elevator System Control Devices and Applications
Chapter 11 — Elevator System Control Devices and Applications
Traction elevators are raised and lowered through the elevator shaft by cables operated by electric motors.
Traction elevators are raised and lowered through the elevator shaft by cables operated by electric motors.
Chapter 11 — Elevator System Control Devices and Applications
Chapter 11 — Elevator System Control Devices and Applications
Most of the equipment needed to operate a traction elevator is located in a machine room above the elevator shaft.
Most of the equipment needed to operate a traction elevator is located in a machine room above the elevator shaft.
Chapter 11 — Elevator System Control Devices and Applications
Chapter 11 — Elevator System Control Devices and Applications
Machine room-less elevators use a design that reduces the size of the traction equipment enough so that it does not require a machine room.
Machine room-less elevators use a design that reduces the size of the traction equipment enough so that it does not require a machine room.
Chapter 11 — Elevator System Control Devices and Applications
Chapter 11 — Elevator System Control Devices and Applications
Hydraulic elevators are raised and lowered by pistons filled with fluid.Hydraulic elevators are raised and lowered by pistons filled with fluid.
Chapter 11 — Elevator System Control Devices and Applications
Chapter 11 — Elevator System Control Devices and Applications
Holeless elevators reconfigure the hydraulic pistons to the side of the elevator, reducing the amount of equipment space needed directly beneath the elevator shaft.
Holeless elevators reconfigure the hydraulic pistons to the side of the elevator, reducing the amount of equipment space needed directly beneath the elevator shaft.
Chapter 11 — Elevator System Control Devices and Applications
Chapter 11 — Elevator System Control Devices and Applications
The governor sheave engages the emergency brake system if the elevator falls too rapidly.The governor sheave engages the emergency brake system if the elevator falls too rapidly.
Chapter 11 — Elevator System Control Devices and Applications
Chapter 11 — Elevator System Control Devices and Applications
When engaged, emergency elevator brakes wedge up against the rails guiding the elevator car, slowing it to a stop.
When engaged, emergency elevator brakes wedge up against the rails guiding the elevator car, slowing it to a stop.
Chapter 11 — Elevator System Control Devices and Applications
Chapter 11 — Elevator System Control Devices and Applications
When the elevator car is in the correct position, the door operating system unlocks and pulls open both the car doors and the elevator shaft doors.
When the elevator car is in the correct position, the door operating system unlocks and pulls open both the car doors and the elevator shaft doors.
Chapter 11 — Elevator System Control Devices and Applications
Chapter 11 — Elevator System Control Devices and Applications
The elevator system can respond to signals from other building systems to add calls, control access, and change elevator operating modes.
The elevator system can respond to signals from other building systems to add calls, control access, and change elevator operating modes.
Chapter 11 — Elevator System Control Devices and Applications
Chapter 11 — Elevator System Control Devices and Applications
The normal operating algorithm of an elevator system determines the best sequence of stops in order to minimize passengers’ waiting time.
The normal operating algorithm of an elevator system determines the best sequence of stops in order to minimize passengers’ waiting time.
Chapter 11 — Elevator System Control Devices and Applications
Chapter 11 — Elevator System Control Devices and Applications
Elevators can be used to control access to certain areas of a building by either controlling the access to the elevator or controlling where the elevator can stop.
Elevators can be used to control access to certain areas of a building by either controlling the access to the elevator or controlling where the elevator can stop.
Chapter 11 — Elevator System Control Devices and Applications
Chapter 11 — Elevator System Control Devices and Applications
Some special elevator operating modes help the elevator system serve passengers more efficiently during certain periods of the day.
Some special elevator operating modes help the elevator system serve passengers more efficiently during certain periods of the day.
Chapter 11 — Elevator System Control Devices and Applications
Chapter 11 — Elevator System Control Devices and Applications
Phase two fire service mode functions are activated by a keyswitch, typically inside the elevator car.Phase two fire service mode functions are activated by a keyswitch, typically inside the elevator car.
Chapter 11 — Elevator System Control Devices and Applications
Chapter 11 — Elevator System Control Devices and Applications
Elevator controllers are connected to numerous elevator-specific control devices to operate the elevator system independently.
Elevator controllers are connected to numerous elevator-specific control devices to operate the elevator system independently.
Chapter 11 — Elevator System Control Devices and Applications
Chapter 11 — Elevator System Control Devices and Applications
Call buttons are the typical method for passengers to select their desired travel direction or floor.
Call buttons are the typical method for passengers to select their desired travel direction or floor.
Chapter 11 — Elevator System Control Devices and Applications
Chapter 11 — Elevator System Control Devices and Applications
Telephones or similar two-way communication devices are installed inside elevator carsfor emergencies.
Telephones or similar two-way communication devices are installed inside elevator carsfor emergencies.
Chapter 11 — Elevator System Control Devices and Applications
Chapter 11 — Elevator System Control Devices and Applications
In emergency fire situations, the fire alarm control panel signals to the elevator controller to recall the elevator car(s) to a designated floor.
In emergency fire situations, the fire alarm control panel signals to the elevator controller to recall the elevator car(s) to a designated floor.
Chapter 11 — Elevator System Control Devices and Applications
Chapter 11 — Elevator System Control Devices and Applications
Inputs from access control systems can be used by elevator controllers to anticipate waiting passengers and automatically call elevators to certain floors.
Inputs from access control systems can be used by elevator controllers to anticipate waiting passengers and automatically call elevators to certain floors.
Chapter 11 — Elevator System Control Devices and Applications
Chapter 11 — Elevator System Control Devices and Applications
Access control systems can be used to admit only authorized personnel to elevators serving secure building areas.
Access control systems can be used to admit only authorized personnel to elevators serving secure building areas.
Chapter 11 — Elevator System Control Devices and Applications
Chapter 11 — Elevator System Control Devices and Applications
When integrated with access control systems, elevators can be used to secure individual building floors by requiring authorization for certain floor calls from inside the elevator car.
When integrated with access control systems, elevators can be used to secure individual building floors by requiring authorization for certain floor calls from inside the elevator car.