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Electricity & Electronics > Components > Flashcards

Components Flashcards

1
Q

IO-Link Master

A

Gateways for the connection of up to eight IO-Link devices including sensors, valves or binary input/output modules.

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2
Q

Photoelectric Sensor

A

A device that detects the presence or absence of an object by emitting a light beam and then measuring the amount of light reflected back to a receiver.

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3
Q

Angular Reflector

A

A specialized type of reflector, designed to reflect electromagnetic waves back towards their source at a specific angle.

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4
Q

I/O-Link

A

Allows for both sending commands to sensors/actuators and receiving detailed data from them by using point-to-point connection meaning that each device communicates directly with a single master device.

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5
Q

Incremental Encoder

A

A type of encoder device that converts angular motion or position of a shaft into an analog or digital code to identify position or motion.

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6
Q

Encoder Wheel

A

A glass, patterned disc or strips that translate a mechanical position into a representative electrical signal when used with incremental or absolute encoders.

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7
Q

PLC

A

Programmable Logic Controller

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8
Q

Programmable Logic Controller (PLC) Panel

A

A steel box that contains the electrical components needed to control and automate industrial machinery and processes.

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9
Q

Divert/Junction Box

A

An enclosure used to connect multiple electrical wires together, allowing the electrical current to be diverted or branched off to different parts of a circuit.

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10
Q

Photoeye Array Emitter

A

The light-emitting component of a photoelectric sensor array.

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11
Q

Photoeye Array Reciever

A

A component of a specialized photoelectric sensor that consists of multiple light-sensitive elements arranged in an array, allowing it to detect the presence or position of an object by analyzing the pattern of light received from a corresponding light emitter array.

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12
Q

Retroreflective Photoeye

A

A type of photoelectric sensor that uses a dedicated reflector to bounce a light beam back to the sensor, allowing it to detect objects by interrupting that reflected beam.

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13
Q

Direct Current (DC) Encoder

A

Used for speed control feedback in DC motors where an armature or rotor with wound wires rotates inside a magnetic field created by a stator.

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14
Q

Pulse Encorder

A

A device that generates pulses to determine an object’s position, speed, direction, or count.

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15
Q

Keyed Limit Switch

A

A type of safety interlock switch that requires a physical key to be inserted and turned in order to activate the switch.

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16
Q

In-Line Splitter

A

A device, usually called an “AC line splitter,” which allows you to separate the hot, neutral, and ground wires of a standard power outlet.

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17
Q

Multiport

A

A device with multiple ports.

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18
Q

Resistor

A

An electrical component that limits or regulates the flow of electrical current in an electronic circuit.

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19
Q

Capacitor

A

A circuit component that temporarily stores electrical energy through distributing charged particles on (generally two) plates to create a potential difference.

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20
Q

Inductor

A

A passive electronic component that stores electrical energy in a magnetic field when an electric current flows through it.

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21
Q

Diode

A

A two terminal semiconductor device that allow electric current to pass in one direction while blocking it in the reverse direction.

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22
Q

Relay

A

An electrically operated switch that opens, closes, or changes the path of current flow.

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23
Q

Transistor

A

A semiconductor device that controls the flow of electrical power and signals by amplifying or switching them.

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24
Q

Polarized Capacitor

A

A type of capacitor that has specific positive and negative polarities and must be connected in a certain direction in a circuit.

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25
Q

Non-Polarized Capacitor

A

A type of capacitor that does not have polarity and can be placed in any direction.

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26
Q

Air Core Inductor

A

An inductor without a magnetic core, but rather unsupported with only air inside of the coil.

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27
Q

Iron Core Inductor

A

An inductor where the coil of wire is wrapped around a magnetic core made of iron.

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28
Q

Ferrite Core Inductor

A

An inductor where the coil of wire is wound around a core made of ferrite, a magnetic material with high permeability and low electrical conductivity.

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29
Q

Variable Core Inductor

A

An inductor that lets the user control the inductance by changing the position of its ferrite core.

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30
Q

Photodiode

A

A semiconductor diode that consumes light energy to produce an electric current.

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31
Q

Switching Diode

A

Acts as a switch to turn a circuit on and off.

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32
Q

Light-Emitting Diode (LED)

A

A semiconductor device that produces light when an electric current flows through it.

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33
Q

Integrated Circuit

A

An electronic circuit built on a semiconductor wafer, a thin slice of semiconductor material.

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34
Q

Circuit / Current Breaker

A

An electrical safety device that automatically interrupts the flow of electricity in a circuit when it detects excessive current, protecting against damage from overloads or short circuits.

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35
Q

Single-Pole Circuit Breaker

A

Protect one energized wire.

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36
Q

Double-Pole Circuit Breaker

A

Protect two energized wires.

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37
Q

Ground Fault Circuit Interrupter (GFCI) Circuit Breakers

A

Cut power to the entire circuit when tripped.

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38
Q

Arc Fault Circuit Interrupter (AFCI) Circuit Breaker

A

Protects against an unintentional electrical discharge in an electrical cord or wiring by instantly disconnecting the damaged circuit before the arc builds enough heat to catch fire.

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39
Q

Combination Arc Fault Circuit Interrupter (CAFCI) Circuit Breaker

A

Protect against both arc faults and ground faults.

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40
Q

Amp Circuit Breaker

A

An electrical safety device that automatically stops the flow of electricity when the current in a circuit exceeds its amperage rating.

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41
Q

Circuit Card/ Circuit Card Assembly (CCA)

A

A flat board with conductive paths etched into it.

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42
Q

Operator Interface Panel (OIP) Circuit Card Assembly

A

A circuit board built to integrate optical components for advanced data transmission applications.

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43
Q

Brushless Driver Circuit Card Assembly

A

A printed circuit board (PCB) that contains all the necessary electronic components to control a brushless DC motor.

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44
Q

Blown Circuit Relay

A

A relay that has failed because of an overload situation, similar to how a blown fuse would indicate a circuit failure.

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45
Q

Isolation Circuit Card Assembly

A

A circuit board with built-in isolation mechanisms to separate different parts of the electrical system on the board.

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46
Q

Metal-Oxide Semiconductor (MOS)

A

A compound with oxygen molecules that can interact with volatile compounds.

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47
Q

Interlocks

A

Isolates power and stops moving parts when a gate, door, or panel is opened.

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48
Q

Uninterruptible Power Supply (UPS)

A

Supplies provide backup power, protecting equipment from damage in the event of grid power failure.

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49
Q

Audiovisual Indicator (AVI)

A

A device that provides both visual and audible warnings.

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50
Q

Variable Frequency Drive (VFD)

A

An electronic device that controls the speed, torque, and direction of an AC induction or synchronous motor.

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51
Q

Closed Circuit Television (CCTV)

A

A video surveillance system that uses cameras to send signals to a limited number of monitors.

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52
Q

Transformer

A

An electrical device that takes a given input voltage and changes it to a different output voltage.

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53
Q

Potentiometer

A

A device used to both adjust voltage output to a circuit, and accurately measure (or meter) electric potential.

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54
Q

Transducer

A

A device that converts a physical quantity, like pressure, temperature, or light, into an electrical signal.

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55
Q

Cable

A

Made up of one or more wires that are bundled together or run side by side, and are used to carry electrical current.

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56
Q

Terminal Block

A

A modular, insulated connector that secures two or more wires together.

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57
Q

Solid State Relays (SSR)

A

Power efficient, no moving parts used for switching use semiconductor components.

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58
Q

Sensors

A

Devices that get input from the changes in the physical environment and give output to other electronic devices.

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59
Q

Motor

A

A device that converts electrical power into mechanical power.

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60
Q

Horsepower (HP) Motor

A

A motor that is rated in horsepower (hp), which is a unit used to measure the power output of an engine or motor.

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61
Q

Alternating Current (AC) Motor

A

Converts the alternating current into mechanical power using electromagnetic induction.

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62
Q

Direct Current (DC) Motor

A

Converts the DC power into mechanical power.

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63
Q

Synchronous Motor

A

Speed of the motor is synchronized with the AC frequency.

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64
Q

Induction Motor

A

Runs at an asynchronous speed.

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65
Q

Ethernet Cable

A

A physical cable used to connect devices like computers, routers, and printers to a local area network (LAN), essentially “hardwiring” them to the internet by providing a direct wired connection for data transfer between devices.

66
Q

Receptacle Cable

A

An electrical cable that is specifically designed to be plugged into a wall outlet.

67
Q

Tee Cable

A

A cable that has a “tee connector” attached, which is a type of electrical connector shaped like a “T” that allows you to split a single cable into two separate branches.

68
Q

Parameter Unit Cable

A

A cable where its specifications and properties are defined by specific parameters, such as conductor size, insulation type, shielding level, and overall jacket material.

69
Q

Transmitter Cable

A

Carries the measured data from the sensor to the receiving device.

70
Q

High-Definition Multimedia Interface (HDMI) Cable

A

Used for connecting audio-video devices, such as TVs, computer monitors, and Blu-ray players.

71
Q

Terminator Cable

A

Used to close an open end of a cable and form an endpoint for a signal.

72
Q

Frame Grabber Cable

A

A computer accessory that usually takes the form of an electronic circuit board that plugs into the motherboard of a Personal Computer.

73
Q

Servo Amplifier

A

A device that powers electronic servomechanisms, like servo motors, by converting command signals into a format that the motor can understand.

74
Q

Busbar

A

A thick conductor used for local high current power distribution. Busbars are often housed inside switchgear, panel boards, and busway enclosures.

75
Q

Switchgear

A

A metal enclosure that controls and protects electrical equipment by regulating the flow of electrical current.

76
Q

Input/ Output (I/O) Buffer Multiport

A

A hardware component that allowing for multiple independent data streams to be managed through a single interface.

77
Q

Thermal Switch

A

A device that opens and closes electrical contacts in response to temperature changes.

78
Q

Square Wave Encoder

A

An incremental sensor with output signals in the form of square waves.

79
Q

Splitter

A

A passive device that separates a single input signal into multiple output signals:

80
Q

Bus Coupler

A

A device which is used to couple one bus to the other without any interruption in power supply and without creating hazardous arcs.

81
Q

Dual Inline Package (DIP) Switch

A

Miniature switches that are mounted onto PCBs and used to make settings on electronic devices.

82
Q

Printed Circuit Board (PCB)

A

Forms a circuit inside a device.

83
Q

Auxiliary Contacts

A

Switches that are added to electrical control devices to increase the number of input and output connections.

84
Q

Cable Gland Plate

A

A panel that allows cables to be inserted into an enclosure without letting moisture in.

85
Q

Electrical Receptacle (Outlet)

A

A socket or fitting that provides a place to plug in electrical devices and draw power from an electrical circuit.

86
Q

Solenoid

A

A device comprised of a coil of wire, the housing and a moveable plunger (armature).

87
Q

Universal Serial bus (USB)

A

Device used to transfer data and power between devices, and is commonly found in computers, smartphones, tablets, and cameras.

88
Q

Serial Data Transmission

A

The process of sending data over a communication channel or computer bus one bit at a time.

89
Q

Programmable Logic Controller (PLC)

A

A type of tiny computer that can receive data through its inputs and send operating instructions through its outputs.

90
Q

PLCs are solid-state devices, which means they do not have any moving parts. True or false?

A

True

91
Q

Fieldbus

A

A local area network (LAN) that connects devices like sensors, actuators, and controllers to a control computer.

92
Q

Fieldbus Coupler

A

A device used to connect instruments to the fieldbus.

93
Q

Rotor

A

A rotating part of a machine that transmits mechanical power or interacts with a magnetic field to produce motion or electrical power.

94
Q

Stator

A

Creates a magnetic field that interacts with the rotor to generate motion or induce electrical current.

95
Q

Armature

A

A revolving structure in an electric motor or generator, wound with the coils that carry the current.

96
Q

Buffer Muliport

A

The buffer function within the multiport memory temporarily stores data, helping to manage data flow and prevent bottlenecks when multiple devices are accessing the same memory location.

97
Q

Controller Area Network (CAN)

A

A vehicle bus standard designed to enable efficient communication primarily between electronic control units (ECUs).

98
Q

Electronic Control Units (ECUs)

A

Devices that control the electrical equipment of a vehicle or other machine.

99
Q

Pin

A

A small metal terminal or contact on an electronic component.

100
Q

Universal Serial Bus (USB-C) Cable

A

A connector for transmitting both data and power on a single cable that can supports 100 watts and 20 volts.

101
Q

Phase

A

The current or voltage between an existing wire and a neutral wire.

102
Q

Frequency

A

The number of times alternating current (AC) switches between positive and negative voltage in one second.

103
Q

Thermocouple

A

A device that measures temperature by creating an electric current when the junction of two different metals is heated or cooled.

104
Q

Electrical Circuit

A

A complete path where electrons can from one end of the electrical source, through the conductors and electrical components, and back to the other end of the source.

105
Q

Power

A

The time rate at which work is done measured in Watts.

106
Q

Work

A

Pertains to the energy force that causes movement.

107
Q

Magnet

A

A material or substance that has the power to attract other materials or substances.

108
Q

Battery

A

A DC voltage source consisting or one or more cells that convert chemical energy into electrical energy.

109
Q

Generator

A

Coverts mechanical (rotating) energy into electrical energy.

110
Q

Fixed Resistor

A

Value does not change within the circuit regardless of what happens.

111
Q

Variable Resistor

A

Resistance may be altered within manufacture range.

112
Q

Fixed Capacitor

A

Has a specific unchanging capacitance built-in during manufacturing.

113
Q

Variable Capacitor

A

Can be changed in capacitance while it is installed within an electrical circuit.

114
Q

Coil

A

Wire wound around a core.

115
Q

Multipurpose Transformer

A

Transfers voltage at 2 or more levels simultaneously.

116
Q

Switch

A

An electrical or mechanical device that closes, opens, or changes the path of current flow.

117
Q

Single-Pole-Single-Throw (SPST)

A

Two terminal switch that opens or closes one path of current flow.

118
Q

Single-Pole-Double-Throw (SPDT)

A

Three terminal switch that connects one terminal to either of the two other terminals.

119
Q

Double-Pole-Single-Throw (DPST)

A

Four terminals used to connect or disconnect a pair of the two terminals, ganged together within the switch construction.

120
Q

Double-Pole-Double-Throw (DPDT)

A

Six terminals used to connect a pair of these six terminals to either of the two other pairs.

121
Q

Microswitch

A

Special purpose highly sensitive switch that is spring-loaded into a preset position.

122
Q

Limit Switch

A

Mechanically operated contact-making or breaking device mounted in the path of a moving object and activated by its passage.

123
Q

Time Delay Switch

A

Switch used to control an event based on time.

124
Q

Pushbutton (PB)

A

A small button or knob that, when pressed, operates a mechanism.

125
Q

Fuse

A

A safety device that contains a thin strip of metal that melts when the current exceeds a certain level, breaking the circuit and stopping the flow of electricity.

126
Q

Series Circuit

A

A simple setup where components like bulbs, resistors, or batteries are connected end-to-end, forming a single pathway for electric current to flow.

127
Q

Parallel Circuit

A

A circuit having more than one current path connected to a common voltage source and must contain two or more load resistances that are not connected in series.

128
Q

Ground Fault Circuit Interrupter (GFCI)

A

Senses the difference in the amount of current flowing into a circuit to that flowing out and will trip or shut off the circuit.

129
Q

Rectifier

A

An electrical device used to convert alternating current (AC) into direct current (DC) by allowing a current to flow through the device in one direction only.

130
Q

Wye Connection

A

The connection of transformer to form a “Y” configuration. “Y” connections can be made by connecting either the even terminals or the odd terminals together.

131
Q

Buzzer/Beeper

A

Generates a sound from an incoming electrical signal.

132
Q

Panel Ground Stud

A

A metal bolt or stud located within an electrical panel that serves as a designated point to attach a grounding wire, allowing excess electrical current to safely flow into the ground in case of a fault, effectively protecting against electrical shock.

133
Q

Jumper

A

A short length of conductor, usually made of copper, that connects two or more points in an electrical circuit.

134
Q

Neutral / Common (Com)

A

A wire that is connected to a neutral point in a circuit, essentially acting as a return path for the electrical current.

135
Q

USB Flash Drive

A

A small external flash drive that can be used with any computer that has a USB port.

136
Q

Boot Flash Drive

A

A normal USB memory stick that has been enabled to install an operating system.

137
Q

Security Flash Drive

A

Fortified with physical or logical security ways to ensure that the data is not compromised.

138
Q

Microcontroller

A

A small computers used to control a multitude of devices, such as power tools, remote controls, medical equipment and office machines.

139
Q

Microprocessor

A

A single semiconductor chip that integrates the main five functional units of a computer: arithmetic/logical, control, storage, input, and output.

140
Q

Test Leads (Alligator Clips)

A

Used for connecting components together to test a circuit without the need for soldering.

141
Q

Light-Dependent Resistor (LDR)

A

A variable resistor that is controlled by the light versus turning a knob.

142
Q

Battery Snap-on Connector

A

A type of electrical connector that allows users to easily connect and disconnect batteries.

143
Q

Soldering Iron

A

A hand tool that plugs into a standard 120v AC outlet and heats up in order to melt solder around electrical connections.

144
Q

Oscillator

A

A device that is used to generate signals, control frequency, and provide timing.

145
Q

Central Processing Unit (CPU) / Processor

A

A computer’s brain, is the workhorse of the machine.

146
Q

Motherboard

A

Circuit board that lets other components communicate.

147
Q

Power Supply

A

Powers all other components of the machine.

148
Q

Random-Access Memory (RAM)

A

Temporary memory, its contents are lost if the machine loses power.

149
Q

Solid-State Drive (SSD)

A

A type of computer storage device that uses integrated circuit assemblies to store data persistently.

150
Q

Hard Disk Drive (HDD)

A

Consists of several spinning platters with an arm that physically writes data to the disk.

151
Q

Nonvolatile Memory Express (NVMe)

A

A storage access and transport protocol for flash and next-generation solid-state drives (SSDs) that delivers the highest throughput and fastest response times yet for all types of enterprise workloads.

152
Q

Video Card

A

A dedicated unit for handling the output of images to a display.

153
Q

Video Graphics Array (VGA) Port

A

A video input that is primarily used on PC monitors.

154
Q

Network Interface Card (NIC)

A

Allows a computer to communicate over a network and access the Internet with an Ethernet cable or through a wireless connection.

155
Q

Graphics Card

A

A chip-based device that processes graphical data and often functions as an extension to the main CPU.

156
Q

Optical Drive

A

A device enables the computer to read and interact with nonmagnetic external media, play movies and music.

157
Q

Expansion Slot

A

Port used to add various hardware components to the computer, like a new video card, network card, modem, sound card, etc.

158
Q

Terminal

A

A single connection point on a device where a wire can be attached.

159
Q

Shaft Encoder

A

A sensor that measures the rotation of a shaft and sends that information to a control system.

160
Q

Logger

A

A specialized device called a “data logger” which continuously monitors and records various electrical parameters like voltage, current, power consumption, and other relevant data over a period of time.

161
Q

Wire Jacket

A

The outer covering of a cable that protects the inner components from damage.

Electricity & Electronics (12 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
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