Which of the following is not true of HMIs?
A. They depend on external processors as they do not have their own.
B. Every graphical element can be interactive.
C. We can add a keyboard interface on the screen.
D. They are used in some teach pendants.
Answer: A
You might also like to view...
When testing a relay between terminals 30 and 87a, with the relay turned off, there should be ________ resistance
A) High B) Low C) Between 60 and 100 ohms D) Infinite
Cross-section leveling determines the intermediate elevations of several points _____
a. perpendicular to the center line b. equally spaced along the center line c. parallel to the center line d. above and below the center line
Due to very low current consumption by digital IC inputs, a pull-up resistor can provide a logic high with an open switch
Indicate whether the statement is true or false
The gap between the electrodes of an oil burner gun is set at 1/8-inch. Use has caused each electrode to wear 0.0159 inch. What is the new gap distance expressed in inches as a decimal fraction?
Fill in the blank(s) with the appropriate word(s).