20th week report

24/05/2010,Monday
Assignment:
-learn Programmable Logic Controller (PLC)
1. Using mnemonic code
2. establish ladder logic diagram
3. how to use programming console and password input
Location:
Techincian:En Azhar

25/05/2010,Tuesday
Assignment:
-learn PLC on timer
-solve the problem about;
Operation;
1. switch ON after 5s, then L1 ON
2. After 5s later, L1 ON and L2 ON
3. Later L2 ON and L3 On
Ladder Logic Diagram;

Location:
Technician:En Azhar

26/05/2010,Wednesday
Assignment;
-solve the problem given by En. Azhar about on PLC
Operation;
1. When START PB is pressed, conveyor starts
2. Sensor 1 detects SAMPLE, conveyor stops
3. When START PB is pressed, conveyor starts
4. Sensor 1 detects SAMPLE, conveyor stops after 30 s
5. When START PB is pressd, conveyor starts
6. Sensor 1 detects SAMPLE, conveyor stops after10 s
7. Then the conveyor starts after 20s
8. When sensor 2 detects SAMPLE, conveyor stops.
Ladder Logic Diagram;


Location:
Technician:En Azhar

27/05/2010
Assignment:
-solve the problem automatic carwash system on conveyor
Operation;
1. When Sensor 1 detects an entry of a car, the conveyor system starts
2. After 10 s, the water,spray system starts
3. The conveyor will stops after 10s
4. Then after 60 s, the conveyor system will starts again
5. When Sensor 2 detects the car, it wil stops the water spray system
6. The car washimg system stops.
Location:
Technician