Question: (a) Implement a commented ladder logic PLC program for the control solution, indicate any internal PLC locations you may use in your solution. (20 marks,

(a) Implement a commented ladder logic PLC program for the control solution, indicate any internal PLC locations you may use in your solution. (20 marks, (b) Explain your solution in detail. (5 marks) (c) Outline how you would modify the relevant sections of your code in (a) to implement the following. If the drill takes more than 2 seconds to reach the required depth this typically indicates that the drill bit is blunt and needs replacement. If this occurs the cycle should complete and then an additional output [Drill Bit Watchdog (Y5)] should flash to alert the user for drill bit replacement. Once the cycle is restarted this output should cease flashing
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