Ladder logic is a good choice for a programming language because it closely resembles the way circuits are hard-wired.
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Q1: Explain the purpose and functionality of the
Q2: Explain the letters shown in a PLC-5
Q3: Because the processor views the N.O. contact
Q4: Discuss the PLC N.O. contact symbol.
Q5: _ contacts in a motor control circuit
Q7: What do the terms current flow and
Q8: When the N.C. symbol is programmed in
Q9: Whenever the processor sees an N.O. contact
Q10: The EXAMINE OFF instruction is only logically
Q11: There are many more applications and circuits
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