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 59 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
:D TYSM

amit

  • Member
  • Posts: 364
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Change in Drawing Abilities from Early to Middle Childhood Drawings become more realistic as fine m Change in Drawing Abilities from Early to Middle Childhood Drawings become more realistic as fine m
Which is TRUE about the alternation of generations cycle that is diagramed above? Which is TRUE about the alternation of generations cycle that is diagramed above?
Radiative forcing expresses change in energy input over time Radiative forcing expresses change in energy input over time
Climate change affects organisms and ecosystems Climate change affects organisms and ecosystems
Climate change Climate change
Midsagittal section indicating locations of true and false pelves Midsagittal section indicating locations of true and false pelves
Video: Natural Selection, Species Isolation and Real World Example

For a complete list of videos, visit our video library