Which of the following statements on the application of the SQO ...

[ap345]

Which of the following statements on the application of the SQO sequencer instruction is NOT true?
 
  A) The SQO rung is false during the first scan for all timer-driven applications.
  B) A pulse stream with a constant duty cycle or one with a variable duty cycle is used when the SQO trigger is a series of timer pulses.
  C) When external events are used to trigger the SQO instruction, an internal trigger in the sequencer linked to external events determines if the sequencer moves a word to the destination file.
  D) The SQO instruction can be stepped to the next sequencer word by two types of triggers: series of timed pulses or a sequence of external events.

Question 2

The first step in developing ladder logic solutions is to ________.
 
  A) Identify the trigger used for the calculations B) Describe the numerical solution
  C) Write the process description D) Determine the standard ladder logic

[mmpiza]

Answer to Question 1

C

Answer to Question 2

C

[ap345]

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[mmpiza]

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