Simulation: Rotary Bottle Washing Machine
PLC Control for Rotary Bottle Washing Machine
1 Cycle Process :
1. Process 1 :
-- RUN the turntable to the next point
2. Process 2 :
-- The turntable is Running, Proximity Sensor ON
3. Process 3 :
-- If Proximity Sensor OFF Then turntable STOP
4. Process 4 :
-- Delay for stability of the turntable
5. Process 5 :
-- IF Jet Pump Motor = ON THEN goto next process ELSE 1 cycle process STOP
6. Process 6 :
-- Solenoid Valve = ON
7. Process 7 :
-- Delay for the water spray ON
8. Process 8 :
-- Solenoid Valved = OFF, and Delay for the water spray OFF
Auto Cycle Process :
Repetitions of 1 Cycle Process, And Repetitions stop if STOP Auto Cycle = ON
Bottle Before and After Washing with Rotary Bottle Washing Machine
1. Dirty bottles before the washing process
2. One bottle is cleaned with water spray
3. Bottles have been cleaned
Remarks of Rotary Bottle Washing Machine :
1. ControlPanel box
1a. Push Button (Normally Open Contact) for START Auto Cycle
1b. Push Button (Normally Open Contact) for START 1 Cycle
1c. Selector Switch (2 position) for Water Spray OFF/ON
1d. Push Button (Normally Open Contact) for STOP Auto Cycle
2. Turntable, consists of :
<> 10 rack holes in Turntable
<> Electric Motor with Reduction Gearbox
<> If necessary use electric motor with brake
<> Coupling for Motor Shaft and Turntable Shaft
<> Contactor with Contactor Thermal Overload Relay (TOR)
3. Proximity Sensor
4. Solenoid Valve Normally Closed
5. Inlet Water Gauge Pressure
6. Outlet Water Gauge Pressure
7. Water Jet Pump Motor with Safety CUT-OUT, and consists of : Contactor with Contactor Thermal Overload Relay (TOR)
8. Water Reservoir
9. Drainage Pipe
PLC Input and Output Devices :
1. PLC Input :
<-> 1 Input for START Auto Cycle
<-> 1 Input for START 1 Cycle
<-> 1 Input for Water Spray OFF/ON
<-> 1 Input for STOP Auto Cycle
<-> 1 Input for Proximity Sensor
--> Total PLC Input, minimum of 5 Input.
2. PLC Output :
<-> 1 Output for Contactor to Electric Motor Turntable
<-> 1 Output for Contactor to Water Jet Pump Motor
<-> 1 Output for Solenoid Valve
--> Total PLC output, minimum of 3 Output.
Sequence PLC Programming for Rotary Bottle Washing Machine :
1. INPUT CONDITION :
a. Waiting Start (Output Controller1) = ON, If:
a.1. STOP Auto Cycle = ON
a.2. Process 5 and Jet Pump Motor = OFF
b. All Origin = ON, If:
b.1. STOP Auto Cycle = OFF
b.2. Solenoid Valve = OFF
b.3. Motor Turntable = OFF
1 CYCLE PROCESS
c. Start 1 cycle = ON, If:
c.1. Push Button for START 1 Cycle = ON
AUTO CYCLE PROCESS
d. Start auto cycle= ON, If:
d.1. Push Button for START Auto Cycle = ON, use internal relay for Hold ON
d.2. Push Button for STOP Auto Cycle = ON, START Auto Cycle = OFF and Goto Waiting Start
2. TRIGGER AND SENSOR CONDITION :
a. Waiting Start / Output Controller 1: All Origin AND Start
b. Process 1 / Output Controller 2: Motor Turntable = ON
c. Process 2 / Output Controller 3: Proximity Sensor ON
d. Process 3 / Output Controller 4: Proximity Sensor OFF
e. Process 4 / Output Controller 5: Turntable = OFF, and Delay for stability (Timer1)
f. Process 5 / Output Controller 6: IF Jet Pump Motor = ON THEN goto next process ELSE goto Waiting Start
g. Process 6 / Output Controller 7: Solenoid Valve = ON
h. Process 7 / Output Controller 8: Delay for the water spray ON (Timer2)
i. Process 8 / Output Controller 9: Solenoid Valved = OFF, And Delay for the water spray OFF (Timer3)
3. OUTPUT CONDITION :
a. Output Controller 5 AND Turntable = OFF for activate the Timer1
b. Output Controller 8 AND Solenoid Valve = ON for activate the Timer2
c. Output Controller 9 AND Solenoid Valve = OFF for activate the Timer3
d1. Output Controller 2 for Motor Turntable = ON (Hold ON)
d2. Output Controller 1 AND Output Controller 5 for Motor Turntable = OFF (Hold OFF)
e. Water Spray Switch ON/OFF for Jet Pump Motor ON/OFF
f1. Output Controller 7 for Solenoid Valve = ON (Hold ON)
f2. Output Controller 1 AND Output Controller 9 for Solenoid Valve = OFF (Hold OFF)
4. CONTROLLER :
Using 9 Output Controller :
total Process = 8 Process
Waiting Start = 1
Total Output Controller = 8 + 1 = 9
Can You make Program Ladder PLC ?
Please using Standard Sequence Programming
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