TPC 298 PROGRAMMABLE LOGIC CONTROLLERS EXAM QUESTIONS AND ANSWERS

A programmable logic controller is a device that responds to status changes in a
system.

TPC 298 Programmable Logic Controllers (p.7)


Programmable controllers are particularly suited for control applications that
demand... - make choices in real-time.


TPC 298 Programmable Logic Controllers (p.8)


The time it takes for a programmable controller to complete its program and
return to the beginning is referred to as ______ time. - ANSWER scan


TPC 298 Programmable Logic Controllers p.12


A programmed controller makes its logical conclusions in the... - ANSWER
processor.


TPC 298 Programmable Logic Controllers p.14


The memory used for PLC firmware is typically... - Answer nonvolatile.


TPC 298 Programmable Logic Controllers p.14

, The binary system is based on the number _____. The hexadecimal system most
typically used with PLCs is based on the number _____. - ANSWER 2, 16.




TPC 298 Programmable Logic Controllers p.21


The most common code used to represent alphanumerics is ______ - ANSWER
ASCII.


TPC 298 Programmable Logic Controllers p.21


The Boolean NOT function serves as a(n) ______. - ANSWER inverter


TPC 298 Programmable Logic Controllers p.21


Ladder logic, unlike most other computer languages, is... - ANSWER
represented graphically.


TPC 298 Programmable Logic Controllers p.21


In ladder logic, the output instruction resembling a coil is called... - ANSWER
output energize.


TPC 298 Programmable Logic Controllers p.21


The last step in a PLC scan is... - ANSWER connecting the output image table.