Classroom on demand

Welcome to Classroom on demand, your source for educational materials related to the vertical transportation industry. This site represents the knowledge and expertise of the best engineers and mechanics in the elevator industry, and will help those new to the elevator industry learn about the basic workings of elevator systems, and also will serve as a reference for people with more experience.

Showing Results for Tag: contoller Return to Home

1 Glossary

Group OperationScanning a system of two or more cars for hall calls then dispatc...
OperationThe system by which the elevator responds to car and hall calls.
Operation - Constant PressureA very simple form of elevator operation where the ...
Operation - Momentary Pressure or Full AutomaticA simple form of elevator operat...
Operation - Selective CollectiveA modern form of elevator operation where the sy...
Safety SwitchesElectrical switches located at various points within the unit whi...
Starting - Across the Line Across the line starting – an economical motor starte...

Popular Tags