PLC HW2
1. Rewrite the basketball PLC program from HW1 using new commands (Math Instructions and Logic Instruction)
The program should be easier and more robust.
2. In the batch mixer simulation of LogixPro, apply the following:
1. The user would use the input panel to set the amount of liquid should be added from pump number 1, and
that amount should not exceed 70% of the total capacity of the tank. When pump one is done, the second
liquid from pump two will be added to fill the tank.
2. The mixture will be heated and mixed (using the motor and the heater) to 40 degrees, then pump three will
be used to drain the mixture.
3. The process will repeat itself after the drain of the liquid
3. Figure 1 shows a tank that will mix two ingredients, you are asked to write a PLC program that would
1. Keep track of the total amount of the ingredients all the time, (this is achieved by the flow meters) and an
add instruction
2. If the amount f ingredient A is 5/12 of the total amount or if the amount of ingredient b is 7/12 of the total
amount the valves should stop.
4. Design the ladder logic that multiplies the accumulator of counter C5:3 with the first four bits of the input word
I:2.0. Place the results in N7:4
5. Design a ladder program to move a part’s color value from a color sensor.
Two values should be moved to N7:0 and N7:1, and the average value should be calculated and placed in N7:2.
The color data comes from I:2.0, and the color sensor trigger is connected to terminal 0 on the input module in
slot 4 of the SLC 500.
The color value is valid for 500 milliseconds; the trigger pulse starts 5 milliseconds after the color value is valid
and is true for 700 milliseconds.