Explain fully the condition of the circuit elements when indicator IND2 is illuminated
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Last Updated:
12-Jul-23
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i) Convert the diagram into PLC format.
(ii) Identify all inputs and outputs by the use of I/O designation charts.
(iii) With respect to the operation of the circuit:
(a) explain the purpose of rung I
(b) explain fully the condition of the circuit elements when indicator IND2 is illuminated
(c) If indicator IND3 is on, explain what will happen if P3 is operated.
2. Provide a block diagram of a PLC system which contains the following:
(i) (a) a CPU.
(b) a system clock.
(c) a power supply.
(d) input and output interfaces.
(e) a keyboard.
(f) a display device.
(g) necessary types of. memory.
Describe very briefly the function and essential features of each block.
