Project 2009-1

Automatic/automated curtain opening-closing

Problem:

Opening curtain:

1. Curtain must open every morning with time 7 am (using timer?).

2. Can manually control to open by using open push button or switch.

Closing curtain:

1. Curtain must close every evening with time 7pm (using timer?).

2. Can manually control to close by using close push button or switch.

3. Automatic to close curtain if the outside temperature is 27 deg C and more than.

Note: with limit switches to start and stop the motor curtain or can used timer sequence to start and stop the motor curtain.

Available Requirements:

1. LOGO 230Rc

2. Limit switches

3. Motor (220 V AC).

4. Push button or switch (NO or NC)? Please advice if NO or NC switch.

5. Temperature device? Please advice for temperature device to be used that is low cost.

Please help me to layout this problem using LOGO system and please draw also the wiring connection to the LOGO device including motor wiring on how to use the motor curtain by running clockwise and counterclockwise.

And if you have better idea with my project problem please let me know.