• Hartono Budi Santoso Politeknik Negeri Bandung
  • Agoeng H Rahardjo Politeknik Negeri Bandung
  • Risa Utami Arsaf Politeknik Negeri Bandung
Keywords: light sensor, PLC, motor, railway curtain track, lamp


When we leaving house in the empty situation which usually let the lamp on make wasting the energy we used and invited wickedness like robbing. Based on this situation the author create some device which give a savety when leaving house. Function of this device are to control curtain and lamp automatically. So we can spit people that

house not empty. The principle of this device is if user turn on the system with press the push button then at the sun rise curtain automatally open until the lamp will off, and the other way curtain will automatically close and lamp will be on at the sunset. The system consists of two subsystem: motor and railway curtain track. The whole system is

controlled by PLC type OMRON CPM 1A. LDR is a sensor to detect the light which places in out site room. Limit switch placed at the end of railway curtain track which used to stop the motor. After testing, we know that the system need 3 minutes for open the curtain and 5 minutes 20 second for close the curtain.


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