PLC Chapter 2 Questions
A(n) ______ input or output is a continuously variable signal within a designated. - Answer-analog
One function of a PLC input interface module is to - Answer-accept signal from field devices and convert
them into signals that can be used by the processor
A discrete output interface module is designed to provide - Answer-on-off switching of the output field
device
Individual outputs of a typical AC output interface module usually have a maximum current rating of
about - Answer-1 A or 2 A
The "on state input voltage range" specification refers to - Answer-minimum and maximum output
operating voltages
Volatile memory elements can be classified as those that - Answer-do not retain store information
when the power is removed
___ memory is used by the plcs operating system - Answer-ROM
A(n) ______ input or output is a continuously variable signal within a designated. - Answer-analog
One function of a PLC input interface module is to - Answer-accept signal from field devices and convert
them into signals that can be used by the processor
A discrete output interface module is designed to provide - Answer-on-off switching of the output field
device
Individual outputs of a typical AC output interface module usually have a maximum current rating of
about - Answer-1 A or 2 A
The "on state input voltage range" specification refers to - Answer-minimum and maximum output
operating voltages
Volatile memory elements can be classified as those that - Answer-do not retain store information
when the power is removed
___ memory is used by the plcs operating system - Answer-ROM