Author Question: Regarding action blocks, which of the following statements is false? A) The action block uses ... (Read 45 times)

panfilo · **on:** Jul 28, 2018

Regarding action blocks, which of the following statements is false?

A) The action block uses structured text, ladder logic or function block diagrams to execute outputs for the automation system.
B) Every action statement must have an action qualifier.
C) Action blocks have internal timers.
D) Action blocks execute while the step is active and one more time after the step becomes inactive.

Question 2

The initial condition step is identified by a ________.

A) Gray background B) Double box C) A and B D) None of the above