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TPC-PLC's Test Exam Questions and Answers
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TPC-PLC's Test Exam Questions and Answers
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TPC-PLC's Test Exam Questions and AnswersAdding I/O points in an existing rack is called - local expansion
The speed at which a LAN processes a piece of information is called - baud rate
As a good general rule, you should replace the battery in a programmable controller - annually
Which documentation shows how all field devices are wired and connected to the controller? - Schematic diagram
Which type of data transmission uses a single frequency? - Baseband
The process of relating software addresses to the physical locations of remote I/O points is called the system. - configuring
The temperature range a thermocouple can detect is determined by the - combination of metals used
To be useful to a PLC, analog input signals must be by an input module. - digitized
The Boolean NOT function acts as a(n) - inverter
Which of the following number systems uses both letters and number symbols? - Hex
What is the purpose of a rung comment? - Explain a program operation
The final step of a PLC scan involves - writing the output image table
The time it takes a programmable controller to run through its program and return to the beginning is called time. - scan
Another term for a PLC's firmware is its - operating system
Which of the following documents walks you through the complete PLC system operation? - Sequence of operation
A bill of material should include a complete list of part numbers, device numbers cross- referenced in the drawing, and part - manufacturers
Which type of signal does an incremental encoder generate? - Chain of pulses The easiest way to develop a PLC program is usually to divide the logic into
different - tasks
Before turning a newly designed and installed system over to production, use the output disable function and indicating lights to check for correct - input wiring
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
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