Exam (elaborations)
TPC-PLC's Test | Questions and Answers Verified 100% Correct
- Course
- Institution
TPC-PLC's Test | Questions and Answers Verified 100% Correct
[Show more]
Content preview
TPC-PLC's Test | Questions and AnswersVerified 100% Correct
Which of the following PLC elements give the system flexibility? - ✔✔Program
The three main components of a PLC are the programming device, processor unit, and -
✔✔I/O section
In ladder logic programming, a __________ symbol is used for input instructions, and a
__________ symbol is used for output instructions. - ✔✔contact; coil
Ladder logic differs from most other computer languages in that it is - ✔✔drawn graphically
Which device creates a numerically coded binary signal to represent an output condition? -
✔✔Encoder
Which of the following is the most common cause of a program problem? - ✔✔Changes
made to the original program
If you place controller documentation on top of the control cabinet, you can - ✔✔cause the
electronics to overheat
After a program has been intergrated and the hardware debugged the next step in system
development is to - ✔✔Keep a log of any problems
When sizing a Progammable controller system you must consider I/O , Memory, and -
✔✔Scan time
, According to the stack rule what happens each time a load instruction is used - ✔✔the logic
is pushed down one level
When a ladder logic program is written as part of a larger program a ___________ is used to tell
it when to start its sequence. - ✔✔Handshaking signal
The logical descissons of a programmable controller are made in the - ✔✔Processor
In ladder logic, the output instruction that looks like a coil is called - ✔✔output energize
The binary system is based on the number ___________ . the hexidecimal system commonly
used with PLC's is based on the number __________. - ✔✔2; 16
Which of the following is a recommended test strategy for troubleshooting - ✔✔Start at the
switch and test each connection until you reach the controller
Which of the following photoelectric sensors makes use of a reflector placed opposite the
device. - ✔✔Retroreflective
In most PLC applications each push button contact is wired to a - ✔✔Input terminal on an
imput module
Moving numbers from one register to another involves the use of a ___________ instruction -
✔✔Data-handling
The function of a float switch is to indicate - ✔✔liquid level
Which of the following would an operator use as an input/output device via a keypad or touch
screen? - ✔✔HMI
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Examsplug. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
83637 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now