Programmable Automation Controllers Quiz
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Questions and Answers

In an OR gate, how many outputs can there be?

  • Three outputs
  • One output (correct)
  • Two outputs
  • Unlimited outputs

    • What is the output of an OR gate if all inputs are 0?

  • Depends on inputs
  • 1
  • 0 (correct)
  • Any value

    • How many inputs can the NOT function have?

  • Unlimited inputs
  • One input (correct)
  • Two inputs
  • Three inputs

    • What defines the output of the NOT function?

    <p>Inverse of the input</p> Signup and view all the answers

    In what scenario would a normally closed contact be used in a NOT function?

    <p>When the input is 0</p> Signup and view all the answers

    How is a low pressure indicator circuit typically designed using the NOT function?

    <p>In conjunction with an AND gate</p> Signup and view all the answers

    What is the main function of an I/O module?

    <p>Addressing devices to specific bits in PLC memory</p> Signup and view all the answers

    How are PLC modules with plug-in wiring terminal strips beneficial in case of a problem?

    <p>Enable easy replacement of the entire terminal block</p> Signup and view all the answers

    What does '64-point card' refer to in I/O modules?

    <p>Number of inputs or outputs available</p> Signup and view all the answers

    Which component of an I/O module is responsible for connecting to field devices?

    <p>Plug-in wiring terminal strips</p> Signup and view all the answers

    What distinguishes PC-based control from traditional PLCs?

    <p>Simulating PLC functions on a personal computer</p> Signup and view all the answers

    What is the purpose of each device connected to a discrete I/O module being addressed to a specific bit in the PLC’s memory?

    <p>To assign unique memory addresses</p> Signup and view all the answers

    What is the main advantage of Programmable Automation Controllers (PACs) over traditional PLCs?

    <p>Combine ruggedness with PC functionality</p> Signup and view all the answers

    In a single-ended application, how many processes does one PLC control?

    <p>One</p> Signup and view all the answers

    What factors determine the amount of memory required for a PLC?

    <p>Number of I/O points, size of control program, data-collecting requirements</p> Signup and view all the answers

    What type of application involves one PLC controlling several processes?

    <p>Multitask PLC application</p> Signup and view all the answers

    What distinguishes PAC software from traditional PLC software?

    <p>Event-driven functionality</p> Signup and view all the answers

    What does the instruction set for a particular PLC list?

    <p>Different types of instructions supported</p> Signup and view all the answers

    What does the term 'binary' refer to?

    <p>The idea that things exist in only one of two states</p> Signup and view all the answers

    What do the binary states 1 and 0 represent?

    <p>All of the above</p> Signup and view all the answers

    What is the role of an AND gate in a circuit?

    <p>Requires certain combinations of input conditions to activate the output</p> Signup and view all the answers

    When will the output of an AND gate be 1?

    <p>When all inputs are 1</p> Signup and view all the answers

    In programming terms, what does OR logic represent?

    <p>Activation with multiple inputs in any state</p> Signup and view all the answers

    What is the main difference between AND and OR gates?

    <p>AND gates need all inputs to be 1 for output activation, while OR gates activate with any input being 1</p> Signup and view all the answers

    In Logic Circuit A, what is the Boolean equation based on the input combination applied to the AND gate?

    <p>Y = CD(A+B)</p> Signup and view all the answers

    How many gates are required in Logic Circuit B to achieve the Boolean equation Y = AB + AB?

    <p>2 AND gates and 1 OR gate</p> Signup and view all the answers

    Which type of logic control refers to functions determined by the way devices are electrically interconnected?

    <p>Hardwired logic</p> Signup and view all the answers

    What is the result of applying the Boolean expression Y=A(BC+D) to the input combination in Logic Circuit A?

    <p>$Y = ABC + AD$</p> Signup and view all the answers

    What is the output of AND gate 1 in Logic Circuit B?

    <p>$AB$</p> Signup and view all the answers

    Based on the Boolean equation Y = CD(AB), what would be the output if C=0, D=1, A=1, and B=0?

    <p>$Y = 0$</p> Signup and view all the answers

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