Wednesday 24 October 2012

Filling Tank (PLC)



PROCESS:
-filling the tank with desired level
-when the tank at desired level, L sensor will active and closed control valve.
-motor m1 conveyer will start,
-when bottle is present, M1 will stopped, output valve open to fill the bottle and open back control valve
-when liquid is full, output valve closed, control valve closed, m1 on
-operation repeat until stopped button pressed.

LADDER DIAGRAM


Figure 2: Ladder Diagram of the Machine
010.00 = Internal Relay                        0.002 = Level Sensor
010.01 = Control Valve                        0.004 = Bottle Full Sensor
010.02 = Motor (M1)                            0.003 = Bottle Present Sensor
010.03 = Output Valve


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