This will be a test grade. Name:______________________ Turning in this assignment indicates that all the work is mine and I have not collaborated with any other person. Any research that you do on your own to complete this assignment is acceptable. This will be a test grade. Name:______________________ Date:______________________ Submitting assignment 15 points Neat professional appearance 15 points Correct motor control 10 points Correct limit switches 10 points Correct safety reverser 10 points Correct optical reverser 10 points Correct open-close buttons 10 points Professional description 10 points Correct labeling 10 Wireless operation extra credit Design a garage door opener: Include the following functions: Open & close buttons Limit switches to stop door when fully open & close Safety back pressure reversing switch Optical door safety control Give a written description of how it functions

How the Door Should Work A push button should open and close the door without the button being continually held The door should stop when fully closed or fully open If the door encounters an object it should stop closing and reverse If the optical beam is broken it should stop closing and reverse The door may (not required) include a wireless control

NC & NO Contact Relay Coils R S 88 Open Relay Coils Close Open limit NC CC OC NC & NO Contact Close limit NC Wireless Receiver Open close Wireless Transmitter Pressure Switch R S 88 Optical Switch Schematic symbols: Create any other symbols required and as many contacts, coils switches etc. as necessary