Most programmable logic controllers (PLCs) contain a timer that runs continually when the PLC is in the RUN mode. What is the function of this timer?
What will be an ideal response?
The function of this timer is to prevent the computer from becoming hung in some type of loop. If the timer is not reset at the end of each scan, the watchdog timer will reach zero and all outputs will be turned off.
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Answer the following statement true (T) or false (F)
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Indicate whether the statement is true or false
Which driveshaft can be longer without the need for a center support bearing?
A) Aluminum B) Steel C) Composite D) Both A and C