TUTORIAL 2_answer.doc - TUTORIAL QUESTIONS TUTORIAL 2 ANSWER Questions 1 What is the function of a PLC input and output module Interfacing between field

TUTORIAL 2_answer.doc - TUTORIAL QUESTIONS TUTORIAL 2...

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TUTORIAL QUESTIONS TUTORIAL 2 ANSWER Questions 1. What is the function of a PLC input and output module? Interfacing between field devices and I/O of PLC 2. What types of field input devices are suitable for use with discrete input modules? Digital input 3. What types of field output devices are suitable for use with discrete output module? Digital output 4. List four tasks performed by an input module. Convert analog signal to digital signal Connecting input devices such as sensor, switch to PLC 5. What electronic component is often used as the switching device for dc output modules? Transistor output 6. Explain the main function of the CPU Brain of the PLC. It will process signal from external devices, execute the program and
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Unformatted text preview: provide the output signal to the external devices 7. State three other functions, in addition to simple logic processing, that PLC processors are capable of performing 8. Compare ROM and RAM memory design with regard to how information is placed into the memory and classification as volatile and non-volatile Information is stored permanently in ROM, this is non-volatile, not permanent in RAM and this known as volatile 9. List three possible functions of a PLC programming device Edit, Delete and Insert program 10. List three types of programming equipment available Personal computer, Programming console, Touch screen BEEA 3414 1...
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