©FYNDLAY 2025 ALL RIGHTS RESERVED
PLC TEST 1 Exam Questions and Answers
100% Pass
PLCs were originally designed as replacements for - ANS Relay control panels
Field or real-world devices refer to - ANS All devices physically wired to the PLC
The output interface module connects to - ANS Load devices such as lamps or solenoids
Scan time is the time required to - ANS Execute one cycle of the total program
The programming device must be connected to the controller to run the program - ANS True
programming devices used to enter desired program into the memory of the processor
Programmable logic controller's are categorized according to the - ANS Number of I/O points
One disadvantage of modular I/O is it's lack of flexibility - ANS False... PLCs with the modular
I/O consist of divided compartments into which separate models can be plugged this feature
greatly increases the designers options and the units flexibility
Standard programming language used to develop a series of instructions that direct the PLC to
execute actions is - ANS Ladder logic
One function of a PLC input interface module is to - ANS Except signals from field devices and
convert them into signals that can be used by the processor
©FYNDLAY 1
, ©FYNDLAY 2025 ALL RIGHTS RESERVED
Module inserted into the wrong slot could be damaged - ANS True... He module inserted into
the wrong side could be damaged by improper voltage is connected through the wiring
Status indicators are provided on each output of an output module to indicate that the -
ANS Output is active
Which model of the PLC Connects directly to the field devices such as pilot lights motor starters
and solenoids - ANS Output
Discrete means that each output or input has two states: true on... false off - ANS True
A _____ is an example of an actuator that could be controlled by discrete output from a PLC -
ANS Motor starter
The current sourcing Sensor shown must be matched with a ____ PLC input module -
ANS Current sinking
The Allen - Bradley SLC - 500 address I: 2/4 refers to a - ANS Input module in slot 2 terminal 4
Discrete I/O modules can be classified as - ANS Bit oriented
The Alan - Bradley SLC - 500 address o: 3/0 refers to a - ANS Output module in slot three
terminal four
Which of the following specifications defines the number of field inputs or outputs that could
be connected to a single module? - ANS Points per module
Analog modules can be either voltage sensing or current sensing - ANS True
©FYNDLAY 2
PLC TEST 1 Exam Questions and Answers
100% Pass
PLCs were originally designed as replacements for - ANS Relay control panels
Field or real-world devices refer to - ANS All devices physically wired to the PLC
The output interface module connects to - ANS Load devices such as lamps or solenoids
Scan time is the time required to - ANS Execute one cycle of the total program
The programming device must be connected to the controller to run the program - ANS True
programming devices used to enter desired program into the memory of the processor
Programmable logic controller's are categorized according to the - ANS Number of I/O points
One disadvantage of modular I/O is it's lack of flexibility - ANS False... PLCs with the modular
I/O consist of divided compartments into which separate models can be plugged this feature
greatly increases the designers options and the units flexibility
Standard programming language used to develop a series of instructions that direct the PLC to
execute actions is - ANS Ladder logic
One function of a PLC input interface module is to - ANS Except signals from field devices and
convert them into signals that can be used by the processor
©FYNDLAY 1
, ©FYNDLAY 2025 ALL RIGHTS RESERVED
Module inserted into the wrong slot could be damaged - ANS True... He module inserted into
the wrong side could be damaged by improper voltage is connected through the wiring
Status indicators are provided on each output of an output module to indicate that the -
ANS Output is active
Which model of the PLC Connects directly to the field devices such as pilot lights motor starters
and solenoids - ANS Output
Discrete means that each output or input has two states: true on... false off - ANS True
A _____ is an example of an actuator that could be controlled by discrete output from a PLC -
ANS Motor starter
The current sourcing Sensor shown must be matched with a ____ PLC input module -
ANS Current sinking
The Allen - Bradley SLC - 500 address I: 2/4 refers to a - ANS Input module in slot 2 terminal 4
Discrete I/O modules can be classified as - ANS Bit oriented
The Alan - Bradley SLC - 500 address o: 3/0 refers to a - ANS Output module in slot three
terminal four
Which of the following specifications defines the number of field inputs or outputs that could
be connected to a single module? - ANS Points per module
Analog modules can be either voltage sensing or current sensing - ANS True
©FYNDLAY 2
