2026-2027 QUESTIONS AND ANSWERS GRADED
A+
Memory Coil instructions look and operate just like Assignment instructions,
except they use an __________ memory address instead of an output address.
internal
N.O. and N.C. contact instructions can be controlled by __________ instructions
simply by giving the contacts the address of the instruction.
Assignment
Which of the following statements is most true about the following basic Seal In
logic?
The NC Stop PB is programmed with the correct bit but is in the wrong place.
PLC seal-in logic works by using an N.O. contact instruction that is connected in
__________ with the instruction which turns on the output.
parallel
What is the time base for a Siemens PLC?
All of these are appropriate time bases
Days
, Hours
Minutes
Seconds
Milliseconds
Which of the following bits in this Data Block are used in a CTD command?
(Select all that applied)
CD LD QD PD CV
The Siemens S7-1200 Count Up (CTU) instruction increases its __________ by
one each time its Count Up (CU) input is turned on.
Count Value (CV
What is true about the following PLC program?
The Timer is storing information in Data Block 1
Which statement is most likely true about the below program?
Out_5 will remain off if both sensors are high
An example of a PLC program that performs an event-driven sequence is a
__________ program.