PR 2 Mekatronika 2 - than the filling time. The cycle is...

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PR2 PLC MS-FTMD-ITB 1/Maret/2011-07.00WIB A pump is intended to fill two tanks. Two valves allow the liquid to be directed to one or other of the tanks. Filling is started each time the lower level in a tank is reached and is continued until the upper level is reached. Emptying of the tanks is carried out manually, so both tanks can be filled at the same time. The emptying time is greater
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Unformatted text preview: than the filling time. The cycle is started when the lower level in one of the tanks is reached. During the simultaneous filling of the tanks, it will be assumed that one will reach the higher level before the other. The valves are of the single action type. Note: in this problem, the control of the emptying valves is not taken into account. Draw a PLC ladder logic diagram for this task....
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