This topic contains a solution. Click here to go to the answer

Author Question: Automatic control is a system where a process variable is forced to remain at a desired value called ... (Read 120 times)

captainjonesify

  • Hero Member
  • *****
  • Posts: 543
Automatic control is a system where a process variable is forced to remain at a desired value called the controller output point.
 
  Indicate whether the statement is true or false

Question 2

Which of the following statements is NOT true during a PLC scan?
 
  A) The PLC uses the value in the input register to set the conditions for input logic symbols.
  B) Input values are scanned first.
  C) If the output symbol is active it turns on the output field device and then sets the corresponding bit in the output register to a one.
  D) The voltage present at the input terminals determines the value of the input register.
  E) If power flow is present in a contact, the contact is highlighted.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Heffejeff

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

FALSE

Answer to Question 2

C




captainjonesify

  • Member
  • Posts: 543
Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it


meganmoser117

  • Member
  • Posts: 303
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

For a complete list of videos, visit our video library