This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which one of the following statements on PLC sequencers is NOT true? A) PLC sequencers change the ... (Read 51 times)

madam-professor

  • Hero Member
  • *****
  • Posts: 584
on: Jul 28, 2018
Which one of the following statements on PLC sequencers is NOT true?
 
  A) PLC sequencers change the output sequence bit pattern based on a comparison of an input word with stored bit patterns in sequencer registers.
  B) Sequencer instructions can be used individually or in pairs.
  C) Sequencer instructions require special sequencer modules.
  D) The basic PLC sequencer function provides the capability to program many steps and provide multiple outputs.

Question 2

Which one of the following statements about troubleshooting ladder logic counter programs is NOT true?
 
  A) Test counters starting with last in the sequence, and then add one counter at a time. Use the temporary end instruction, TND.
  B) If reset is present, verify that all counter driven functions are complete or reached the correct ACC value before the reset.
  C) Use the suspend instruction, SUS, to verify status values for all registers and bits at critical points in the ladder.
  D) Most difficult counter programs to verify have multiple cascaded counters and reset instructions.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bigsis44

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

A


madam-professor

  • Member
  • Posts: 584
Reply 2 on: Jul 28, 2018
Wow, this really help

recede

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

As a result of this change, deoxyhemoglobin S As a result of this change, deoxyhemoglobin S
Bones change radically in size and shape from newborn to adult, as these cervical vertebrae demonstr Bones change radically in size and shape from newborn to adult, as these cervical vertebrae demonstr
Family interactions change in response to the developing child, and parenting characteristics, such ... Family interactions change in response to the developing child, and parenting characteristics, such ...
The Impact of Climate Change in the world The Impact of Climate Change in the world
Change is hard at first messy in the middle and gorgeous at the end Change is hard at first messy in the middle and gorgeous at the end
A single-nucleotide change in the DNA encoding -globin A single-nucleotide change in the DNA encoding -globin
Video: DNA Sequences - Dideoxy Sequencing

For a complete list of videos, visit our video library