Define the term PLC.
What will be an ideal response?
A programmable logic controller is a modern control system that combines microprocessor features with software configurable controllers. The basic components of this system include; a processor CPU module, a mounting rack, power supply, user-defined plug in input/output modules, and a communication interface module. This type of system requires minimal space, is extremely reliable, is reprogrammable, and has high computational ability. Another attractive feature allows laptop computers to interface and program the system.
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? rugged individualism
What will be an ideal response?
If the ring gear is driven while the sun gear is held, the planet gears will ________.
A) Rotate in the carrier B) Rotate as they walk around the sun gear C) Be stationary in the carrier D) Rotate with the carrier but not on their axis
A 40-hp three-phase squirrel cage motor is connected to a 208-volt line. What is the minimum size NEMA starter that should be used to connect this motor to the line? Use the accompanying figure.
a. 00
b. 1
c. 2
d. 4
Some scan tools provide enhanced diagnostics of the CAN bus networks.
Answer the following statement true (T) or false (F)