Misunderstanding the way the PLC scans a program can cause programming bugs.
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Q8: Each individual contact instruction can be used
Q9: The addressing format for inputs and outputs
Q10: The status of input and output devices
Q11: It takes the processor exactly the same
Q12: On some PLC models, branches can be
Q14: If any input signal changes state very
Q15: Scan time varies with program content and
Q16: The greater the scan time, the faster
Q17: When the XIO instruction is associated with
Q18: The memory organization of a PLC is
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