The 4 languages used to program a PLC: ___, structured text, function block diagram, and ___

Ladder logic, sequential function chart

Multiple safety interlocks can be used by ___

Placing input instructions in series on the same rung

Step 1 of troubleshooting is to:

Identify the Problem or Symptom

studbud

PLC Big Test

100 termsStudBud Administration159 plays

Imported from external platform

Flashcards100 cardsFPractice quizPHost liveL

Questions 100

Answers

1
The PLC project is ____ on the SD card
Stored
Downloaded
Saved
Uploaded
2
____ data types are commonly used data types that programming software provides as a convenience to users
User-definded
Preloaded-defined
Pre-defined
Module-defined
3
What is not an advantage of a PLC
Lower cost (as little as 4 or 5 relays)
Easy to program
Takes up less space
Hard to program
4
Generally: TOD istruction is similar to the FRD instruction and it converts from one type of number system to another
False
True
5
The ___ instruction converts a decimal data tag into a BCD value
BCD
TOD
FRD
RTO
6
The entire PLC memory is known as a(n) ____
Routine
Configuration
Project
Image
7
PLC routines may use timers as well as ____ to sequence events
Internal Outputs
Counters
Limit Switches
Relays
8
___ are data structures used to store status and identifying data about the controller, its operation, hardware, program
Object
Attribute
Tag
Controller
9
RSLinx has drivers for RS-232 serial, Ethernet, DeviceNet, WiFi, Direct Machine Interface, FactoryNet
True
False
10
Timers are used in machine controls to provide a time delay between ___ in a machine's sequence
2 routines
2 steps
2 events
2 actions
11
One application of a(n) ____ instruction is to control the simultaneous start/stop of several outputs
Timer
Internal output
Counter
Tag
12
SSV stands for
Set Signal Value
Save System Value
Send System Value
Set System Value
13
The MCR is used to provide control power to the system's ___
PLC
I/O Chassis
Input devices
Output devices
14
A timer's .EN bit stands for
Engaged bit
End bit
Enable bit
Energized bit
15
SD in SD card stands for
Saved Data
Stored Data
Safe Data
Secure Data
16
If the RUN LED is off, it indicates
All of the above
The controller is in Program Mode
There is a power supply issue
The controller is in Test Mode
17
The Controller's power supply consists of the ___ and the chassis power supply
Start/Stop Pushbuttons
Main Power Disconnect
Master Control Relay
Circuit Breaker
18
Troubleshooting a ControlLogix processor requires using the ___ to determine the operating conditions
PLC Power Supply Indicator
Output Module Indicators
Input Module Indicators
Processor's Status Indicators
19
Input Modules designs vary according to four features: ___, Level of Volts, # of Inputs, Active High/Low
Type of inputs
Type of watts
Type of current
Type of resistance
20
A Solid Green RUN indicator light on the Processor Module means ___
The Controller is in RUN mode
The Controller is writing to or reading from the SD Card
The Controller is not operating correctly
The Controller is operating correctly
21
The ___ instruction is used to turn outputs on/off after the timer has been disabled for the preset time interval
Retentive timer on
Timer on-delay
Timer off-delay
Retentive timer off
22
The 4 languages used to program a PLC: ___, structured text, function block diagram, and ___
Sequential flow chart, ladder logic
Ladder logic, basic
Ladder logic, sequential function chart
Basic, sequential function chart
23
The FRD instruction is an internal output instruction that converts BCD data into a(n) ___
Octal equivalent
Binary equivalent
Hexadecimal equivalent
Decimal equivalent
24
A TON instruction tag ___ when the instruction is de-energized
Closes
Activates
Opens
Resets
25
The specific order in which actions are performed is called a ___
Routine
Event
Sequence
Action
26
What kind of logic is this?
NOR
OR
NAND
AND
27
An indirect connection means that the two machines are interfaced through a device (such as a relay)
False
True
28
Multiple safety interlocks can be used by ___
Using multiple output sensors
Placing input instructions in parallel
Placing input instructions in series on the same rung
Using multiple output devices
29
Module-defined ____ organize and store information about the module
Routines
Subroutines
Data Types
Instructions
30
A ControlLogix ___ is a collection of program instructions in a single programming language
Image
Routine
Subroutine
Program
31
Step 1 of troubleshooting is to:
Replace a Broken Component
Check the Status Indicators
Identify the Problem or Symptom
Test the Suspected Component
32
Signaling between 2 machines is accomplished by connecting the ____ of the machines' controllers to eachother
Turn Signals
Message Inbox
Inputs and Outputs
Computers
33
Discrete input devices are types of ___
Contactors
Modules
Switches
Sensors
34
Event-driven sequences use a(n) ___ of some type to sense that one step has been completed and signal the next step
Timer Instruction
Output Device
PLC Processor
Input Device
35
ControlLogix I/O modules are intelligent devices, meaning they have onboard ____
Modules
Processors
Relays
Computers
36
PLC programs are always designed so that the machine stops ___
Eventually
Safely
Accurately
Suddenly
37
The MCR's e-stop button turns off the PLC's _____
System's Input Power
System's Output Module
System's Output Power
System's Input Module
38
A INT data type reserves ___ bit(s) of memory
32
4
8
16
39
The ___ dialog is an RSLogix 5000 software utility that displays configuration, operation and status info on/offline
Controller Operation
Controller Status
Controller Properties
Controller Configuration
40
Boolean Tags are ____ bit memory locations used to store the status of a device or instruction.
8
4
1
2
41
A PLC On-Delay timer is called
TOF
RTO
TON
CTU
42
The basic operation of a PLC is to ___ instructions, monitor the status of the input, & produce outputs
Monitor
Scan
Delete
View
43
After coils and contacts, ___ & ___ are the most commonly used PLC instruction
Limit Switches & Timers
Timers & Counters
XIC & XIO
Pushbuttons and Limit Switches
44
___ is antoher name that references an existing tag
Alias
Boolean
Tag
Base
45
PLC I/O diagrams are used to show the specific physical connections between ___ and the PLCs I/O terminals
Network
Relays
Devices
Computers
46
Two of the six basic components of a PLC: Input Device
I/O Chassis
Contactors
Relays
Wires
47
A data type BOOL reserves ___ bit(s) of memory for use by a tag
16
32
8
1
48
Types of Transistors Used in Sensors
NPN, PNP
NNP, PPN
PNP, NNP
PPN, PNP
49
The I/O diagram idicates which input is connected to which input device
True
False
50
What kind of logic is this?
AND
NOR
NAND
OR
51
A ___ diagram shows how the machine actions affects the PLC inputs and how outputs affects machine action
Wire
Power
Output
I/O
52
A Non-retentive timer resets when:
Automatically when the ACC value matches the Preset value
When the input is de-energized
When a separate Reset instruction is used
When the output has been de-energized
53
Solid state outputs are more commonly used because they (are) ___
Faster than relay contacts and last longer
Can use both AC or DC current
Handle higher current
Physical switches inside the module
54
A PLC is a relay
I don't know
False
Maybe?
True
55
MCR stands for
My Chemical Romance
Main Control Relay
Major Control Relay
Master Control Relay
56
PLC discrete output modules turn real-world output devices on/off as directed by the processor
Maybe
False
I don't know
True
57
___ are text-based names given to PLC memory locations
Routines
Tags
Booleans
Aliases
58
ControlLogix timers have only one time base
0.010 second
1.000 second
0.001 second
0.100 second
59
True or False: Voltage Snubber is not another name for a Surge Suppressor
False
True
60
The ___ bit is set when the instruction tag's ACC value is equal to the Preset Value
EN
DN
ACC
TT
61
A(n) ___ is a name, property, parameter, or value for the device for which the object data applies
Tag
Attribute
Controller
Object
62
RSLinx is a collection of ___ to connect programming software in the PC to the PLC
Subroutines
Tags
Routines
Drivers
63
A PLC is ___
A relay
A switch
A personal computer
An industrial computer
64
Each decimal digit of an LED display is controlled by ___ data lines that are wired to the same # of output terminals
4
8
1
2
65
A SINT (short integer) reserves ___ bits of memory for use by a tag
8
4
16
1
66
Interlocks are used in two applications: ___ & ___
Safety & Starters
Safety & Events
Safety & Sequencing
Safety & Sensors
67
Automatic machines perform a number of ___ to accomplish a task
Programs
Actions
Outputs
Sequences
68
Two of the six basic components of a PLC: Programming Device
Contactors
PLC Power Supply
Wires
Relays
69
What kind of logic is this?
AND
OR
NAND
NOR
70
There are 7 main categories of faults: Processor Hardware, Processor Programs, Power Supply, I/O Chassis
All of the above
Controller Networks
I/O Module(s)
I/O Devices
71
___ is a network search utility
Who There
Who That
Who Active
RSLinx
72
Retentive Timers reset when:
When the PLC turns off and back on
The timer de-energizes
A separate Reset instruction is used
Automatically when the ACC value matches the Preset value
73
PLCs use ____ memory to back up memory when power is OFF
ROM
USB
Non-volatile
RAM
74
PLC Timer Instructions are ___ used to provide time-based control logic
Internal Output Instructions
Output Devices
Internal Input Instructions
Input Devices
75
This is a type of Surge Suppressor (Voltage Snubber)
RC Network
Metal Oxide Varistor
Diode
All of the above
76
The Cycle-Stop Function ___
Stops the machine mid cycle
Stops the cycle immediately
Resets the cycle
Stops after the machine finishes the last step in its cycle
77
A(n) ___ is a collection of numerically indexed tags
Alias
Module-tag
Array
Controller Tags
78
What kind of logic is this?
OR
AND
NOR
NAND
79
The 2 basic input instructions are ____ and _____
XOI, XCI
XIC, XOI
XIC, XIO
XIO, XCI
80
The main use of the input/output diagram is ___
To document the physical connects of the PLC to the machine hardware
To show how the PLC program is compiled
To show how inputs are connected to outputs
To document the entire logic program as it relates to the I/O devices
81
GSV stands for
Give Signal Value
Get Signal Value
Get System Value
Give System Value
82
A flashing red I/O module status OK indicator indicates the module has a(n) ___ fault
Routine
Communication
Programming
Power
83
To prevent arcing of hard contacts, a(n) ___ is used
Voltage suppressor
Surge suppressor
Surge protector
Voltage capper
84
A(n) ___ is an output device that enables a machine operator to view values (ACC/Preset) without using a computer
BCD THUMBWHEEL SWITCH
FRD DISPLAY
LED DISPLAY
BCD DISPLAY
85
A BCD ____ is an input device that enables an operator to adjust the PRESET value without using a programming terminal
Thumbwheel switch
Number pad
LED display
Push button switch
86
A Flashing Amber indicator light on the Processor Module means ___
No forces are present or enabled
Forces are present and enabled
Forces are present, but not enabled
Forces are enabled, present or not
87
Input modules are needed because___
They turn on according to the condition of the real-world device
The input module filters the voltage going into the Processor
The output module requires the input module
Input devices cannot be directly connect to the Processor
88
The BCD system uses ___ bit(s) to represent each decimal digit
4
1
16
8
89
A Time-driven sequencing program operates by a series of instructions controlling a(n) ___ in the sequence
Input
Switch
Event
Output
90
The first step in selcting an input module is to determine what ____ you need
Voltage (AC or DC)
Resistance (OHMS)
Amperage (AMPS)
Number of inputs
91
Discrete Input Devices: discrete means ___
Secret
Same
Separate
Similar
92
A Direct Connection of 2 machines is possible if they use the same voltage
True
False
93
When 2 different machines are interfaced, the input of one machine is activated by the ___ of another
Timer
Output
Input
Relay
94
DINT data types have ___ bit(s) of memory reserved
8
32
4
16
95
A PLC Off-Delay timer is called
CTU
TOF
TON
RTO
96
A PLC time-driven sequencing program uses a series of ___ to control an ___ in the sequence
Timer instructions, output
Timer instructions, action
Timer instructions, input
Timer instructions, event
97
A BCD Thumbwheel switch consists of one or more rotary switches
True
False
98
Solid State AC output modules use ____
Triacs
Resistors
Transistors
Relays
99
The ControlLogix controllers have a test mode that enables the user to test the program without energizing the ____
Inputs
Relays
Outputs
Timers
100
Solid State DC output modules use ____
Triacs
Transistors
Capacitors
Resistors

PLC Big Test Flashcards | StudBud

PLC Big Test

100 termsStudBud Administration159 plays

Imported from external platform

Flashcards100 cardsFPractice quizPHost liveL

Questions 100

Answers

1
The PLC project is ____ on the SD card
Stored
Downloaded
Saved
Uploaded
2
____ data types are commonly used data types that programming software provides as a convenience to users
User-definded
Preloaded-defined
Pre-defined
Module-defined
3
What is not an advantage of a PLC
Lower cost (as little as 4 or 5 relays)
Easy to program
Takes up less space
Hard to program
4
Generally: TOD istruction is similar to the FRD instruction and it converts from one type of number system to another
False
True
5
The ___ instruction converts a decimal data tag into a BCD value
BCD
TOD
FRD
RTO
6
The entire PLC memory is known as a(n) ____
Routine
Configuration
Project
Image
7
PLC routines may use timers as well as ____ to sequence events
Internal Outputs
Counters
Limit Switches
Relays
8
___ are data structures used to store status and identifying data about the controller, its operation, hardware, program
Object
Attribute
Tag
Controller
9
RSLinx has drivers for RS-232 serial, Ethernet, DeviceNet, WiFi, Direct Machine Interface, FactoryNet
True
False
10
Timers are used in machine controls to provide a time delay between ___ in a machine's sequence
2 routines
2 steps
2 events
2 actions
11
One application of a(n) ____ instruction is to control the simultaneous start/stop of several outputs
Timer
Internal output
Counter
Tag
12
SSV stands for
Set Signal Value
Save System Value
Send System Value
Set System Value
13
The MCR is used to provide control power to the system's ___
PLC
I/O Chassis
Input devices
Output devices
14
A timer's .EN bit stands for
Engaged bit
End bit
Enable bit
Energized bit
15
SD in SD card stands for
Saved Data
Stored Data
Safe Data
Secure Data
16
If the RUN LED is off, it indicates
All of the above
The controller is in Program Mode
There is a power supply issue
The controller is in Test Mode
17
The Controller's power supply consists of the ___ and the chassis power supply
Start/Stop Pushbuttons
Main Power Disconnect
Master Control Relay
Circuit Breaker
18
Troubleshooting a ControlLogix processor requires using the ___ to determine the operating conditions
PLC Power Supply Indicator
Output Module Indicators
Input Module Indicators
Processor's Status Indicators
19
Input Modules designs vary according to four features: ___, Level of Volts, # of Inputs, Active High/Low
Type of inputs
Type of watts
Type of current
Type of resistance
20
A Solid Green RUN indicator light on the Processor Module means ___
The Controller is in RUN mode
The Controller is writing to or reading from the SD Card
The Controller is not operating correctly
The Controller is operating correctly
21
The ___ instruction is used to turn outputs on/off after the timer has been disabled for the preset time interval
Retentive timer on
Timer on-delay
Timer off-delay
Retentive timer off
22
The 4 languages used to program a PLC: ___, structured text, function block diagram, and ___
Sequential flow chart, ladder logic
Ladder logic, basic
Ladder logic, sequential function chart
Basic, sequential function chart
23
The FRD instruction is an internal output instruction that converts BCD data into a(n) ___
Octal equivalent
Binary equivalent
Hexadecimal equivalent
Decimal equivalent
24
A TON instruction tag ___ when the instruction is de-energized
Closes
Activates
Opens
Resets
25
The specific order in which actions are performed is called a ___
Routine
Event
Sequence
Action
26
What kind of logic is this?
NOR
OR
NAND
AND
27
An indirect connection means that the two machines are interfaced through a device (such as a relay)
False
True
28
Multiple safety interlocks can be used by ___
Using multiple output sensors
Placing input instructions in parallel
Placing input instructions in series on the same rung
Using multiple output devices
29
Module-defined ____ organize and store information about the module
Routines
Subroutines
Data Types
Instructions
30
A ControlLogix ___ is a collection of program instructions in a single programming language
Image
Routine
Subroutine
Program
31
Step 1 of troubleshooting is to:
Replace a Broken Component
Check the Status Indicators
Identify the Problem or Symptom
Test the Suspected Component
32
Signaling between 2 machines is accomplished by connecting the ____ of the machines' controllers to eachother
Turn Signals
Message Inbox
Inputs and Outputs
Computers
33
Discrete input devices are types of ___
Contactors
Modules
Switches
Sensors
34
Event-driven sequences use a(n) ___ of some type to sense that one step has been completed and signal the next step
Timer Instruction
Output Device
PLC Processor
Input Device
35
ControlLogix I/O modules are intelligent devices, meaning they have onboard ____
Modules
Processors
Relays
Computers
36
PLC programs are always designed so that the machine stops ___
Eventually
Safely
Accurately
Suddenly
37
The MCR's e-stop button turns off the PLC's _____
System's Input Power
System's Output Module
System's Output Power
System's Input Module
38
A INT data type reserves ___ bit(s) of memory
32
4
8
16
39
The ___ dialog is an RSLogix 5000 software utility that displays configuration, operation and status info on/offline
Controller Operation
Controller Status
Controller Properties
Controller Configuration
40
Boolean Tags are ____ bit memory locations used to store the status of a device or instruction.
8
4
1
2
41
A PLC On-Delay timer is called
TOF
RTO
TON
CTU
42
The basic operation of a PLC is to ___ instructions, monitor the status of the input, & produce outputs
Monitor
Scan
Delete
View
43
After coils and contacts, ___ & ___ are the most commonly used PLC instruction
Limit Switches & Timers
Timers & Counters
XIC & XIO
Pushbuttons and Limit Switches
44
___ is antoher name that references an existing tag
Alias
Boolean
Tag
Base
45
PLC I/O diagrams are used to show the specific physical connections between ___ and the PLCs I/O terminals
Network
Relays
Devices
Computers
46
Two of the six basic components of a PLC: Input Device
I/O Chassis
Contactors
Relays
Wires
47
A data type BOOL reserves ___ bit(s) of memory for use by a tag
16
32
8
1
48
Types of Transistors Used in Sensors
NPN, PNP
NNP, PPN
PNP, NNP
PPN, PNP
49
The I/O diagram idicates which input is connected to which input device
True
False
50
What kind of logic is this?
AND
NOR
NAND
OR
51
A ___ diagram shows how the machine actions affects the PLC inputs and how outputs affects machine action
Wire
Power
Output
I/O
52
A Non-retentive timer resets when:
Automatically when the ACC value matches the Preset value
When the input is de-energized
When a separate Reset instruction is used
When the output has been de-energized
53
Solid state outputs are more commonly used because they (are) ___
Faster than relay contacts and last longer
Can use both AC or DC current
Handle higher current
Physical switches inside the module
54
A PLC is a relay
I don't know
False
Maybe?
True
55
MCR stands for
My Chemical Romance
Main Control Relay
Major Control Relay
Master Control Relay
56
PLC discrete output modules turn real-world output devices on/off as directed by the processor
Maybe
False
I don't know
True
57
___ are text-based names given to PLC memory locations
Routines
Tags
Booleans
Aliases
58
ControlLogix timers have only one time base
0.010 second
1.000 second
0.001 second
0.100 second
59
True or False: Voltage Snubber is not another name for a Surge Suppressor
False
True
60
The ___ bit is set when the instruction tag's ACC value is equal to the Preset Value
EN
DN
ACC
TT
61
A(n) ___ is a name, property, parameter, or value for the device for which the object data applies
Tag
Attribute
Controller
Object
62
RSLinx is a collection of ___ to connect programming software in the PC to the PLC
Subroutines
Tags
Routines
Drivers
63
A PLC is ___
A relay
A switch
A personal computer
An industrial computer
64
Each decimal digit of an LED display is controlled by ___ data lines that are wired to the same # of output terminals
4
8
1
2
65
A SINT (short integer) reserves ___ bits of memory for use by a tag
8
4
16
1
66
Interlocks are used in two applications: ___ & ___
Safety & Starters
Safety & Events
Safety & Sequencing
Safety & Sensors
67
Automatic machines perform a number of ___ to accomplish a task
Programs
Actions
Outputs
Sequences
68
Two of the six basic components of a PLC: Programming Device
Contactors
PLC Power Supply
Wires
Relays
69
What kind of logic is this?
AND
OR
NAND
NOR
70
There are 7 main categories of faults: Processor Hardware, Processor Programs, Power Supply, I/O Chassis
All of the above
Controller Networks
I/O Module(s)
I/O Devices
71
___ is a network search utility
Who There
Who That
Who Active
RSLinx
72
Retentive Timers reset when:
When the PLC turns off and back on
The timer de-energizes
A separate Reset instruction is used
Automatically when the ACC value matches the Preset value
73
PLCs use ____ memory to back up memory when power is OFF
ROM
USB
Non-volatile
RAM
74
PLC Timer Instructions are ___ used to provide time-based control logic
Internal Output Instructions
Output Devices
Internal Input Instructions
Input Devices
75
This is a type of Surge Suppressor (Voltage Snubber)
RC Network
Metal Oxide Varistor
Diode
All of the above
76
The Cycle-Stop Function ___
Stops the machine mid cycle
Stops the cycle immediately
Resets the cycle
Stops after the machine finishes the last step in its cycle
77
A(n) ___ is a collection of numerically indexed tags
Alias
Module-tag
Array
Controller Tags
78
What kind of logic is this?
OR
AND
NOR
NAND
79
The 2 basic input instructions are ____ and _____
XOI, XCI
XIC, XOI
XIC, XIO
XIO, XCI
80
The main use of the input/output diagram is ___
To document the physical connects of the PLC to the machine hardware
To show how the PLC program is compiled
To show how inputs are connected to outputs
To document the entire logic program as it relates to the I/O devices
81
GSV stands for
Give Signal Value
Get Signal Value
Get System Value
Give System Value
82
A flashing red I/O module status OK indicator indicates the module has a(n) ___ fault
Routine
Communication
Programming
Power
83
To prevent arcing of hard contacts, a(n) ___ is used
Voltage suppressor
Surge suppressor
Surge protector
Voltage capper
84
A(n) ___ is an output device that enables a machine operator to view values (ACC/Preset) without using a computer
BCD THUMBWHEEL SWITCH
FRD DISPLAY
LED DISPLAY
BCD DISPLAY
85
A BCD ____ is an input device that enables an operator to adjust the PRESET value without using a programming terminal
Thumbwheel switch
Number pad
LED display
Push button switch
86
A Flashing Amber indicator light on the Processor Module means ___
No forces are present or enabled
Forces are present and enabled
Forces are present, but not enabled
Forces are enabled, present or not
87
Input modules are needed because___
They turn on according to the condition of the real-world device
The input module filters the voltage going into the Processor
The output module requires the input module
Input devices cannot be directly connect to the Processor
88
The BCD system uses ___ bit(s) to represent each decimal digit
4
1
16
8
89
A Time-driven sequencing program operates by a series of instructions controlling a(n) ___ in the sequence
Input
Switch
Event
Output
90
The first step in selcting an input module is to determine what ____ you need
Voltage (AC or DC)
Resistance (OHMS)
Amperage (AMPS)
Number of inputs
91
Discrete Input Devices: discrete means ___
Secret
Same
Separate
Similar
92
A Direct Connection of 2 machines is possible if they use the same voltage
True
False
93
When 2 different machines are interfaced, the input of one machine is activated by the ___ of another
Timer
Output
Input
Relay
94
DINT data types have ___ bit(s) of memory reserved
8
32
4
16
95
A PLC Off-Delay timer is called
CTU
TOF
TON
RTO
96
A PLC time-driven sequencing program uses a series of ___ to control an ___ in the sequence
Timer instructions, output
Timer instructions, action
Timer instructions, input
Timer instructions, event
97
A BCD Thumbwheel switch consists of one or more rotary switches
True
False
98
Solid State AC output modules use ____
Triacs
Resistors
Transistors
Relays
99
The ControlLogix controllers have a test mode that enables the user to test the program without energizing the ____
Inputs
Relays
Outputs
Timers
100
Solid State DC output modules use ____
Triacs
Transistors
Capacitors
Resistors