Author Question: A process needs a starting pulse followed by a stop pulse at a specific time after the start pulse ... (Read 127 times)

geoffrey · **on:** Jul 28, 2018

A process needs a starting pulse followed by a stop pulse at a specific time after the start pulse in the same action block, what action qualifier would be the BEST solution?

A) L and D B) S and R C) N D) P0 and P1

Question 2

Block diagrams of PLC controlled systems are ________.

A) Complex systems that are represented by a series of simple rectangles
B) Provided by the equipment vendor
C) Diagrams with information and signal flow from right to left
D) All of the above