15. The logic circuit in Fig. has only one intermediate test point available besides the output, as indicated. For the inputs shown, you observe the indicated waveform at the test point. Is this waveform correct? If not, what are the possible faults that would cause it to appear as it does? A ТР В B D E D F E ТР F

Electric Motor Control
10th Edition
ISBN:9781133702818
Author:Herman
Publisher:Herman
Chapter22: Sequence Control
Section: Chapter Questions
Problem 6SQ: Draw a symbol for a solid-state logic element AND.
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I know the waveform of TP is incorrect, but I don't know how to find the possible faults that would cause it .

 

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15. The logic circuit in Fig. has only one intermediate test point available besides the output, as indicated.
For the inputs shown, you observe the indicated waveform at the test point. Is this waveform correct? If not,
what are the possible faults that would cause it to appear as it does?
A
ТР
В
B
D
E
D
F
E
ТР
F
Transcribed Image Text:15. The logic circuit in Fig. has only one intermediate test point available besides the output, as indicated. For the inputs shown, you observe the indicated waveform at the test point. Is this waveform correct? If not, what are the possible faults that would cause it to appear as it does? A ТР В B D E D F E ТР F
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