Exam 1 PLCs Chapters 1, 2, 4, 13 Exam Questions and Complete Solutions Graded A+

Exam 1 PLCs Chapters 1,
2, 4, 13 Exam Questions
and Complete Solutions
Graded A+

Denning [Date] [Course title]

, The number and type of I/O's cannot be changed in a fixed PLC. True or False. - Answer: True



The scan time is the required for one complete execution of the user program. True or False. - Answer:
True



Plug-in compartments allow I/O modules to be easily connected and replaced. True or False. - Answer:
True



The programming device must be connected to the controller to run the program. True or False -
Answer: False



PLC six advantages are: - Answer: 1. Increased Reliability

2. More Flexibility

3. Lower Cost

4. Communications Capability

5. Faster Response Time

6. Easier to troobleshoot



A PLC is basically a computer designed for use in electrical control applications. True or False. - Answer:
True



One disadvantage of modular I/O is its lack of flexibility. True or False. - Answer: False



Removing the programming device from the PLC will not affect the operation of the user program. True
or False. - Answer: True



The instruction set for a particular PLC lists the types of instructions supported. True or False. - Answer:
True



The number of I/O points does not affect the memory size required for a PLC installation. True or False. -
Answer: False