Relay logic elevator

For a better quality watch this: http://www.youtube.com/watch?v=dwJ6LV-3HYc
This dynamic circuit diagram shows how a relay logic elevator basically works.
Note that actually relays and contactors have a time response of a fraction of second.
I1, I2, I3, I4 - Interior requests buttons
1F, 2F, 3f, TF - requests relays
U, D - direction contactors
HS, LS - speed contactors
SR - speed relay
ERD - exterior requests delay
RS - reset relay
S1, S2, S3, S4 - direction selectors

http://sites.google.com/site/plcandcircuitdiagram/relay-logic-elevator
WARNING: Do not access electric and mechanical parts of elevators if you are not an expert.

Category:

Science & Technology

Tags:

• relay logic
• elevator

[prijesi]

hem