8. Rotation and Shift Design Examples 8.3 WSFL - Automatic Sorting Mixed Products X7 RESET A Y0 Electromagnetic valve Electromagnetic valve B Y1 Electromagnetic valve C Y2 X1 X2 X0 Photoelectric sensor X6 for monitoring the am X5 Container A Container B Container C Control Purpose: z Sorting different products on the conveyor belt and pushing each product into its corresponding container. 1. There are three kinds of products, A, B and C and 6 positions for each product are set on the conveyor. Products will move forward for one position when the cam rotates once. 2. Sorting each product by product ID (Identification) sensors. Product A will be pushed in container A at position 2.
And so forth, product B in container B at position 4; product C in container C at position 6. 3. When the product falling is confirmed by sensors, the electromagnetic valve will be reset. When RESET is pressed, all memory will be cleared and the system will restart the identifying and sorting process. Devices: DVP-PLC Application Examples 8-5 Position 1 Position2 Position3 Position4 Position5 Positio X3 X4 Device Function X0 Product A ID sensor. X0 = ON when Product A is detected. X1 Product B ID sensor. X1 = ON when Product B is detected. X2 Product C ID sensor. X2 = ON when Product C is detected. X3 Product A falling sensor.
X3 = ON when Product A falls in container A X4 Product B falling sensor. X4 = ON when Product B falls in container B X5 Product C falling sensor. X5 = ON when Product C falls in container C X6 Sensor for the cam. X6 activates 1 time when the cam rotates once. X7 RESET. X7 = ON when the button is pressed Y0 Electromagnetic valve A Y1 Electromagnetic valve B Y2 Electromagnetic valve C