Electrical & electronics dictionary
273 terms grouped by subject. Type in the filter to find a term in English, Vietnamese or Japanese.
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Electrical Fundamentals & Measurement 64
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JA電圧 でんあつVIđiện áp
The electric potential difference between two points, measured in volts (V).
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JA電流 でんりゅうVIdòng điện
The flow of electric charge through a conductor, measured in amperes (A).
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JA抵抗 ていこうVIđiện trở
The opposition a material offers to current flow, measured in ohms (Ω).
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JA電力 でんりょくVIcông suất
The rate at which electrical energy is transferred or consumed, measured in watts (W).
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JA電力量 でんりょくりょうVIđiện năng
The amount of electrical work done over time, usually expressed in kilowatt-hours.
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JAオームの法則 オームのほうそくVIđịnh luật Ôm
The law stating that voltage equals current multiplied by resistance (V = I × R).
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JAキルヒホッフの第1法則 キルヒホッフのだいいちほうそくVIđịnh luật Kirchhoff về dòng điện
The sum of currents entering a node equals the sum of currents leaving it.
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JAキルヒホッフの第2法則 キルヒホッフのだいにほうそくVIđịnh luật Kirchhoff về điện áp
The algebraic sum of all voltages around any closed loop is zero.
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JA直流 ちょくりゅうVIđiện một chiều (DC)
Direct current; current that flows in one constant direction, as from a battery.
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JA交流 こうりゅうVIđiện xoay chiều (AC)
Alternating current; current that reverses direction periodically, as in mains power.
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JA周波数 しゅうはすうVItần số
The number of cycles per second of a periodic signal, measured in hertz (Hz).
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JA周期 しゅうきVIchu kỳ
The time taken for one complete cycle of a periodic signal; the reciprocal of frequency.
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JA振幅 しんぷくVIbiên độ
The maximum deviation of a signal from its zero or mean level.
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JA最大値 さいだいちVIgiá trị đỉnh
The highest instantaneous value reached by an alternating quantity.
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JA実効値 じっこうちVIgiá trị hiệu dụng (RMS)
Root mean square value; the AC value producing the same heating effect as an equal DC value.
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JA位相 いそうVIpha
The relative position in time of a waveform within its cycle.
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JA位相差 いそうさVIđộ lệch pha
The angular offset between two waveforms of the same frequency, such as voltage and current.
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JAインピーダンスVItrở kháng
The total opposition to alternating current, combining resistance and reactance, in ohms.
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JAリアクタンスVIđiện kháng
The frequency-dependent opposition to AC caused by inductance or capacitance.
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JAインダクタンスVIđiện cảm
The property of a coil that opposes changes in current, measured in henries (H).
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JA静電容量 せいでんようりょうVIđiện dung
The ability of a component to store electric charge, measured in farads (F).
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JAコンダクタンスVIđiện dẫn
The reciprocal of resistance, indicating ease of current flow, measured in siemens (S).
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JA有効電力 ゆうこうでんりょくVIcông suất tác dụng
The portion of power actually converted into work or heat, measured in watts.
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JA無効電力 むこうでんりょくVIcông suất phản kháng
Power oscillating between source and reactive elements without doing work, measured in var.
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JA皮相電力 ひそうでんりょくVIcông suất biểu kiến
The product of RMS voltage and RMS current, measured in volt-amperes (VA).
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JA力率 りきりつVIhệ số công suất
The ratio of active power to apparent power, often written as cos φ.
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JA導体 どうたいVIvật dẫn điện
A material that allows current to flow easily, such as copper or aluminium.
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JA絶縁体 ぜつえんたいVIvật cách điện
A material that strongly resists current flow, such as plastic, porcelain or rubber.
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JA半導体 はんどうたいVIchất bán dẫn
A material with conductivity between a conductor and insulator that can be controlled, such as silicon.
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JA直列回路 ちょくれつかいろVImạch nối tiếp
A circuit whose components are connected end to end, carrying the same current.
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JA並列回路 へいれつかいろVImạch song song
A circuit whose components share the same two nodes and the same voltage.
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JA短絡 たんらくVIngắn mạch (chập điện)
An unintended low-resistance connection between points, causing excessive current.
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JA開放 かいほうVIhở mạch
A break in a circuit that prevents current from flowing.
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JAグランドVIđất, mass (ground)
The 0 V reference point of a circuit, or a connection to the earth.
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JA起電力 きでんりょくVIsức điện động
The voltage generated by a source such as a battery or generator to drive current.
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JA電界 でんかいVIđiện trường
A region in which an electric charge experiences a force.
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JA磁界 じかいVItừ trường
A region of magnetic force produced by magnets or electric currents.
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JA磁束 じそくVItừ thông
The total magnetic field passing through a surface, measured in webers (Wb).
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JA電磁誘導 でんじゆうどうVIcảm ứng điện từ
The generation of an EMF in a circuit by a changing magnetic flux.
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JA抵抗率 ていこうりつVIđiện trở suất
A material's intrinsic opposition to current, independent of shape, measured in Ω·m.
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JAテスターVIđồng hồ vạn năng
A handheld instrument measuring voltage, current, resistance and continuity.
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JA電圧計 でんあつけいVIvôn kế
An instrument that measures voltage, connected in parallel with the load.
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JA電流計 でんりゅうけいVIampe kế
An instrument that measures current, connected in series with the circuit.
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JAクランプメーターVIampe kìm
A meter that measures current by clamping its jaws around a conductor without breaking the circuit.
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JA絶縁抵抗計 ぜつえんていこうけいVIđồng hồ đo điện trở cách điện (megger)
An instrument applying high DC voltage to measure insulation resistance in megohms.
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JA接地抵抗計 せっちていこうけいVImáy đo điện trở tiếp địa
An instrument that measures the resistance between an earth electrode and the ground.
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JAオシロスコープVImáy hiện sóng (oscilloscope)
An instrument that displays voltage waveforms against time on a screen.
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JA電力計 でんりょくけいVIoát kế
An instrument that measures the electric power in a circuit.
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JA電力量計 でんりょくりょうけいVIcông tơ điện
A meter that records electrical energy consumed, in kilowatt-hours.
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JALCRメーター エルシーアールメーターVImáy đo LCR
An instrument that measures inductance (L), capacitance (C) and resistance (R).
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JAファンクションジェネレーターVImáy phát hàm (máy phát tín hiệu)
An instrument generating sine, square and triangle signals of adjustable frequency and amplitude.
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JAプローブVIque đo (đầu dò)
A lead and tip that connect a test point in a circuit to a measuring instrument.
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JA導通チェック どうつうチェックVIkiểm tra thông mạch
A test to check whether two points are electrically connected.
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JA測定誤差 そくていごさVIsai số đo
The difference between a measured value and the true value.
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JA確度 かくどVIđộ chính xác
How close a measurement is to the true value, usually stated as a percentage in specifications.
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JA分解能 ぶんかいのうVIđộ phân giải
The smallest change in a quantity that an instrument can detect and display.
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JA校正 こうせいVIhiệu chuẩn
Comparing and adjusting an instrument against a standard to ensure correct readings.
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JA波形 はけいVIdạng sóng
The shape of a signal's variation over time.
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JA正弦波 せいげんはVIsóng sin
A periodic waveform following a sine function, the standard shape of AC power.
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JA方形波 ほうけいはVIsóng vuông
A waveform that switches abruptly between two voltage levels.
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JAデューティ比 デューティひVIchu kỳ làm việc (duty)
The percentage of one period during which a pulse signal is high.
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JA時定数 じていすうVIhằng số thời gian
The characteristic time describing how fast an RC or RL circuit charges or discharges.
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JAデシベルVIđề-xi-ben (dB)
A logarithmic unit expressing a ratio of power or voltage, such as gain.
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JASI単位 エスアイたんいVIđơn vị SI
A unit of the International System of Units (Système International), such as V, A or Ω.
Electronic Components & Circuits 70
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JA電子部品 でんしぶひんVIlinh kiện điện tử
A discrete part used in electronic circuits, such as a resistor, capacitor or IC.
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JA抵抗器 ていこうきVIđiện trở (linh kiện)
A component providing a defined resistance to limit current or divide voltage.
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JAコンデンサVItụ điện
A component that stores and releases charge, used for filtering, coupling and energy storage.
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JA電解コンデンサ でんかいコンデンサVItụ hoá
A polarised, high-capacitance capacitor commonly used for power-supply smoothing.
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JAセラミックコンデンサVItụ gốm
A non-polarised capacitor with a ceramic dielectric, compact and good at high frequencies.
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JAインダクタVIcuộn cảm
A coil component storing energy in a magnetic field, used for filtering and noise suppression.
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JAダイオードVIđiốt
A semiconductor device that allows current to flow in only one direction.
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JAツェナーダイオードVIđiốt Zener
A diode operated in reverse breakdown to maintain a stable voltage.
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JA発光ダイオード はっこうダイオードVIđèn LED (điốt phát quang)
Light-emitting diode; a diode that emits light when forward-biased.
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JAトランジスタVItranzito (transistor)
A three-terminal semiconductor device used to amplify or switch signals.
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JAバイポーラトランジスタVItranzito lưỡng cực (BJT)
Bipolar junction transistor; a current-controlled transistor in NPN or PNP types.
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JAMOSFET モスフェットVIMOSFET
Metal-oxide-semiconductor field-effect transistor; a transistor controlled by gate voltage.
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JAIGBT アイジービーティーVIIGBT
Insulated-gate bipolar transistor; a power switch used in inverters and large power supplies.
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JAサイリスタVIthyristor (SCR)
A semiconductor switch that conducts once triggered by a gate pulse.
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JAトライアックVItriac
A bidirectional switching device used to control AC loads.
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JA集積回路 しゅうせきかいろVIvi mạch (IC)
A circuit of many components fabricated on one semiconductor chip, abbreviated IC.
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JAオペアンプVIbộ khuếch đại thuật toán (op-amp)
A high-gain amplifier IC used in amplifying, comparator and filter circuits.
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JAレギュレータVIIC ổn áp
A circuit or IC that keeps output voltage constant despite input or load changes.
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JAマイコンVIvi điều khiển (MCU)
A chip integrating a CPU, memory and peripherals for controlling devices.
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JAリレーVIrơ-le
An electromagnetically operated switch letting a small signal control a larger circuit.
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JAボリュームVIchiết áp (biến trở)
A three-terminal adjustable resistor used to vary a signal level.
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JAサーミスタVInhiệt điện trở (thermistor)
A resistor whose value changes strongly with temperature, used for sensing and protection.
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JAフォトダイオードVIđiốt quang
A diode that produces current proportional to incident light.
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JAフォトカプラVIbộ ghép quang (opto)
A device transmitting signals by light to electrically isolate two circuits; also called optocoupler.
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JA水晶発振子 すいしょうはっしんしVIthạch anh dao động
A component using a quartz crystal to generate a precise clock frequency.
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JAコネクタVIđầu nối (connector)
A mechanical part for joining and separating wires or boards.
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JAピンヘッダVIhàng rào chân cắm (header)
A row of metal pins on a board for attaching cables or modules.
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JAヒートシンクVItản nhiệt
A finned metal part that dissipates heat from power components.
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JAプリント基板 プリントきばんVIbảng mạch in (PCB)
An insulating board with copper tracks for mounting and connecting components, abbreviated PCB.
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JA基板実装 きばんじっそうVIlắp ráp bo mạch (PCBA)
The process of mounting and soldering components onto a printed circuit board.
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JA表面実装部品 ひょうめんじっそうぶひんVIlinh kiện dán (SMD)
Surface-mount device; a component soldered directly onto the board surface.
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JA表面実装 ひょうめんじっそうVIcông nghệ dán bề mặt (SMT)
Surface-mount technology; assembling SMDs using pick-and-place machines and reflow.
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JAスルーホールVIlinh kiện chân cắm (xuyên lỗ)
A mounting style where component leads pass through board holes and are soldered.
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JAはんだVIthiếc hàn
A low-melting alloy used to join components to a circuit board.
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JAはんだごてVImỏ hàn
A hand tool with a heated tip for melting solder.
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JAリフローはんだ付け リフローはんだづけVIhàn reflow
Soldering SMDs by melting solder paste in a controlled oven.
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JAフローはんだ付け フローはんだづけVIhàn sóng
Soldering by passing the board underside over a wave of molten solder; also called wave soldering.
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JAクリームはんだVIkem hàn
A mix of solder powder and flux printed onto pads before reflow.
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JAフラックスVIchất trợ hàn (flux)
A chemical that removes oxides and helps solder wet the joint.
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JAはんだブリッジVIchập thiếc (cầu thiếc)
A soldering defect where solder joins adjacent pins or pads.
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JAランドVIpad (điểm hàn)
A copper area on a PCB to which a component lead is soldered.
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JAパターンVIđường mạch (đường đồng)
A copper track on a PCB connecting components.
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JAビアVIlỗ via
A plated hole connecting layers of a multilayer PCB.
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JAレジストVIlớp phủ chống hàn (solder mask)
An insulating coating, usually green, protecting copper and preventing solder bridges.
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JAシルクVIlớp in lụa (ký hiệu)
The printed ink layer showing component labels and markings on a PCB.
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JAガーバーデータVIfile Gerber
The standard file format describing each PCB layer for fabrication.
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JA回路図 かいろずVIsơ đồ nguyên lý
A drawing using symbols to show components and their connections.
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JA部品表 ぶひんひょうVIdanh sách linh kiện (BOM)
A full list of parts, part numbers and quantities for a product, abbreviated BOM.
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JAフットプリントVIfootprint (dấu chân linh kiện)
The pad and hole pattern on a PCB that matches a particular component.
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JAブレッドボードVIbo cắm thử (breadboard)
A solderless board for prototyping circuits.
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JAデータシートVIbảng thông số (datasheet)
A manufacturer's document giving a component's ratings, characteristics and usage.
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JA絶対最大定格 ぜったいさいだいていかくVIgiá trị giới hạn tuyệt đối
Limits of voltage, current or temperature that must never be exceeded to avoid damage.
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JA極性 きょくせいVIcực tính
The positive/negative orientation of components such as electrolytic capacitors or diodes.
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JA整流回路 せいりゅうかいろVImạch chỉnh lưu
A circuit that converts AC to DC using diodes.
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JAブリッジ整流 ブリッジせいりゅうVIcầu chỉnh lưu (cầu điốt)
A four-diode circuit providing full-wave rectification of AC.
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JA平滑回路 へいかつかいろVImạch lọc nguồn (san phẳng)
A circuit using capacitors to reduce ripple after rectification.
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JAスイッチング電源 スイッチングでんげんVInguồn xung
A power supply that converts voltage efficiently by high-frequency semiconductor switching.
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JA増幅回路 ぞうふくかいろVImạch khuếch đại
A circuit that increases the amplitude or power of a signal.
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JA発振回路 はっしんかいろVImạch dao động
A circuit that generates a periodic signal without an input signal.
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JAローパスフィルタVIbộ lọc thông thấp
A circuit that passes low frequencies and attenuates high frequencies.
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JAハイパスフィルタVIbộ lọc thông cao
A circuit that passes high frequencies and attenuates low frequencies.
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JAプルアップ抵抗 プルアップていこうVIđiện trở kéo lên
A resistor tying a signal line to supply to hold it high when undriven.
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JAパスコンVItụ thoát (tụ bypass)
A capacitor placed near an IC's supply pin to suppress noise and stabilise voltage.
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JA論理ゲート ろんりゲートVIcổng logic
A digital circuit performing a basic logic function such as AND, OR or NOT.
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JAフリップフロップVIflip-flop (mạch lật)
A digital circuit storing one bit, the basic element of registers and counters.
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JAA/Dコンバータ エーディーコンバータVIbộ chuyển đổi tương tự – số (ADC)
Analog-to-digital converter; a circuit turning an analog signal into digital values.
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JAD/Aコンバータ ディーエーコンバータVIbộ chuyển đổi số – tương tự (DAC)
Digital-to-analog converter; a circuit turning digital values into an analog signal.
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JAノイズVInhiễu
Unwanted electrical signals superimposed on a useful signal.
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JAEMC イーエムシーVItương thích điện từ (EMC)
Electromagnetic compatibility; a device's ability to work without causing or suffering interference.
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JA静電気放電 せいでんきほうでんVIphóng tĩnh điện (ESD)
Electrostatic discharge; a sudden static discharge that can damage semiconductors.
Power, Wiring & Electrical Safety 70
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JA三相 さんそうVIđiện ba pha
An AC system of three phases offset by 120°, used for motors and heavy loads.
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JA単相 たんそうVIđiện một pha
An AC system with one phase, common in households.
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JA線間電圧 せんかんでんあつVIđiện áp dây
The voltage between any two phase conductors in a three-phase system.
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JA相電圧 そうでんあつVIđiện áp pha
The voltage between a phase conductor and the neutral.
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JA中性線 ちゅうせいせんVIdây trung tính
The conductor connected to the source neutral point, carrying return current.
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JA高圧 こうあつVIcao áp (cao thế)
A voltage class used for transmission and distribution, requiring special safety measures.
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JA低圧 ていあつVIhạ áp (hạ thế)
The voltage class supplied to end-use equipment, such as 220/380 V.
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JA送電 そうでんVItruyền tải điện
Carrying electricity at high voltage over long distances from plants to substations.
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JA配電 はいでんVIphân phối điện
Delivering electricity from substations to consumers.
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JA変電所 へんでんしょVItrạm biến áp
A facility that transforms voltage levels and switches circuits in the grid.
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JA変圧器 へんあつきVImáy biến áp
A device that raises or lowers AC voltage by electromagnetic induction.
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JAキュービクルVItủ trung thế hợp bộ (cubicle)
A metal-enclosed unit housing switchgear and transformers to receive high-voltage power for a site.
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JA開閉装置 かいへいそうちVIthiết bị đóng cắt
Equipment for switching, protecting and isolating electrical circuits.
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JA分電盤 ぶんでんばんVItủ điện phân phối
A panel housing breakers that divide power into branch circuits.
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JA母線 ぼせんVIthanh cái
A copper or aluminium bar distributing high current within a panel.
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JA遮断器 しゃだんきVIaptomat (cầu dao tự động)
A resettable device that automatically opens a circuit on overload or short circuit.
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JA配線用遮断器 はいせんようしゃだんきVIaptomat khối (MCCB)
Molded case circuit breaker; a breaker in an insulated case protecting distribution circuits.
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JA漏電遮断器 ろうでんしゃだんきVIaptomat chống giật (ELCB/RCD)
A breaker that trips on detecting earth leakage current, protecting against shock.
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JAヒューズVIcầu chì
A protective device whose element melts when current exceeds its rating.
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JA断路器 だんろきVIdao cách ly
A switch giving a visible isolation gap, operated only with no load current.
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JA電磁接触器 でんじせっしょくきVIcông tắc tơ (khởi động từ)
An electromagnetically operated switch for controlling motors and heavy loads.
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JAサーマルリレーVIrơ-le nhiệt
A relay using a thermal element to protect motors from overload.
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JA電磁開閉器 でんじかいへいきVIbộ khởi động động cơ
A contactor combined with an overload relay to start and protect a motor.
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JA定格電流 ていかくでんりゅうVIdòng điện định mức
The maximum current a device is designed to carry continuously.
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JA定格電圧 ていかくでんあつVIđiện áp định mức
The nominal voltage at which a device is designed to operate.
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JA過電流 かでんりゅうVIquá dòng
Current exceeding the rated value due to overload or short circuit.
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JA過負荷 かふかVIquá tải
A condition where the load demands more than the equipment's rated capacity.
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JA漏れ電流 もれでんりゅうVIdòng rò
Current escaping the intended circuit through insulation or to earth.
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JA漏電 ろうでんVIrò điện
Current leaking to equipment enclosures or earth because of insulation failure.
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JA電圧降下 でんあつこうかVIsụt áp
The reduction in voltage along a conductor due to its resistance.
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JA高調波 こうちょうはVIsóng hài
Frequency components at multiples of the fundamental that distort the supply waveform.
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power factor correction capacitor
JA進相コンデンサ しんそうコンデンサVItụ bù
A capacitor installed to compensate reactive power and raise the power factor.
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JA停電 ていでんVImất điện (cúp điện)
An interruption of the electricity supply.
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JA発電機 はつでんきVImáy phát điện
A machine that converts mechanical energy into electrical energy.
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JA無停電電源装置 むていでんでんげんそうちVIbộ lưu điện (UPS)
Uninterruptible power supply; equipment providing battery power instantly during an outage.
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JA誘導電動機 ゆうどうでんどうきVIđộng cơ không đồng bộ (cảm ứng)
An AC motor whose rotor turns slightly slower than the rotating field; the most common industrial motor.
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JA同期電動機 どうきでんどうきVIđộng cơ đồng bộ
An AC motor rotating exactly at the speed of the rotating magnetic field.
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JA直流電動機 ちょくりゅうでんどうきVIđộng cơ một chiều
A motor powered by direct current, with easy speed control.
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JA固定子 こていしVIstato (phần tĩnh)
The stationary part of a motor or generator, carrying the field windings.
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JA回転子 かいてんしVIrô-to (phần quay)
The rotating part of a motor or generator.
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JA巻線 まきせんVIcuộn dây (dây quấn)
The coiled conductor in a motor or transformer.
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JAスターデルタ始動 スターデルタしどうVIkhởi động sao – tam giác
Starting a three-phase motor in star then switching to delta to reduce inrush current.
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JA突入電流 とつにゅうでんりゅうVIdòng khởi động (dòng xung kích)
The large current drawn momentarily when equipment is first energised.
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JAインバータVIbiến tần (inverter)
A drive that varies supply frequency and voltage to control motor speed; also called VFD.
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JAソフトスタータVIbộ khởi động mềm
A device ramping up voltage to start a motor smoothly with reduced inrush.
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JA定格出力 ていかくしゅつりょくVIcông suất định mức
The output power a machine is designed to deliver continuously.
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JA銘板 めいばんVInhãn thông số (nameplate)
A plate on equipment showing its rated specifications.
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JA電線 でんせんVIdây điện
A conductor, insulated or bare, used to carry electricity.
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JAケーブルVIcáp điện
One or more insulated conductors enclosed in a common protective sheath.
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JA断面積 だんめんせきVItiết diện dây
The area of a conductor's cross-section in mm², which determines its current capacity.
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JA許容電流 きょようでんりゅうVIdòng cho phép của dây
The maximum current a conductor can carry continuously without overheating.
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JA電線管 でんせんかんVIống luồn dây điện
A metal or plastic tube protecting wiring.
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JAケーブルラックVImáng cáp (khay cáp)
A ladder or tray structure supporting electrical cables.
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JA端子台 たんしだいVIcầu đấu (domino, terminal)
A block with screw or clamp terminals for connecting wires in a panel.
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JA圧着端子 あっちゃくたんしVIđầu cos
A metal lug crimped onto a wire end for screw connection.
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JA配線 はいせんVIđi dây (đấu dây)
The installation and connection of electrical wires between equipment.
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JA電気工事 でんきこうじVIthi công điện
Installation and repair of electrical systems in buildings and facilities.
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JA電気工事士 でんきこうじしVIthợ điện có chứng chỉ
A person holding a national licence to carry out electrical work.
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JA単線結線図 たんせんけっせんずVIsơ đồ một sợi
A diagram representing a three-phase power system with single lines.
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JA配線図 はいせんずVIsơ đồ đấu dây
A drawing showing equipment locations and actual wire connections.
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JA接地 せっちVInối đất (tiếp địa)
Connecting equipment or systems to the earth for safety and lightning protection.
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JA避雷器 ひらいきVIchống sét van
A device that diverts lightning surges to earth to protect equipment.
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JA絶縁抵抗 ぜつえんていこうVIđiện trở cách điện
The resistance between conductors and earth, indicating insulation condition.
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JA感電 かんでんVIđiện giật
The dangerous effect of electric current passing through the human body.
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JAアークフラッシュVIhồ quang điện
A sudden release of intense heat and light from an electrical arc fault.
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JAロックアウト・タグアウトVIkhoá và treo biển (LOTO)
A procedure locking and tagging energy sources so no one re-energises equipment during work.
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JA停電作業 ていでんさぎょうVIlàm việc cắt điện
Work performed after the circuit has been isolated and verified dead.
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JA活線作業 かっせんさぎょうVIlàm việc có điện (hotline)
Work on equipment that remains energised, requiring special tools and protection.
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JA検電器 けんでんきVIbút thử điện (thiết bị thử điện)
A tool that checks whether a conductor or equipment is energised.
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JA絶縁手袋 ぜつえんてぶくろVIgăng tay cách điện
Special rubber gloves protecting the hands from electric shock.
Automation & Control 69
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JAPLC ピーエルシーVIPLC (bộ điều khiển lập trình)
Programmable logic controller; an industrial computer that runs programs to control machinery.
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JAシーケンサVIPLC (cách gọi ở Nhật: sequencer)
The common Japanese shop-floor name for a PLC, originally a Mitsubishi trade name.
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JAラダー図 ラダーずVIsơ đồ thang (ladder)
A graphical PLC language resembling relay circuits arranged like a ladder.
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JAシーケンス制御 シーケンスせいぎょVIđiều khiển tuần tự
Control that executes operations step by step according to predefined order and conditions.
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JAフィードバック制御 フィードバックせいぎょVIđiều khiển phản hồi
Control that compares measured output with a setpoint and continuously corrects it.
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JAオープンループ制御 オープンループせいぎょVIđiều khiển vòng hở
Control that does not use feedback from the output.
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JAクローズドループ制御 クローズドループせいぎょVIđiều khiển vòng kín
Control that uses output feedback to correct errors automatically.
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JAPID制御 ピーアイディーせいぎょVIđiều khiển PID
Proportional-integral-derivative control combining three actions to minimise error.
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JA目標値 もくひょうちVIgiá trị đặt
The desired value a control system aims to reach.
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JA制御量 せいぎょりょうVIbiến quá trình (giá trị đo)
The actual measured quantity being controlled, such as temperature or pressure.
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JA操作量 そうさりょうVIbiến điều khiển (tín hiệu ra)
The quantity the controller adjusts to influence the process, such as valve opening.
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JAオーバーシュートVIđộ vọt lố
The amount by which a response exceeds the setpoint before settling.
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JA入力 にゅうりょくVIđầu vào (input)
A signal from buttons or sensors fed into a PLC.
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JA出力 しゅつりょくVIđầu ra (output)
A signal a PLC sends to drive lamps, valves or motors.
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JAI/Oユニット アイオーユニットVImô-đun vào/ra (I/O)
A module connecting input and output signals between a PLC and field devices.
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JACPUユニット シーピーユーユニットVImô-đun CPU
The central processing module of a PLC holding the program and memory.
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JAスキャンタイムVIthời gian quét
The time a PLC takes to read inputs, execute the program and update outputs once.
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JAa接点 エーせってんVItiếp điểm thường mở (NO)
A contact that is open at rest and closes when actuated.
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JAb接点 ビーせってんVItiếp điểm thường đóng (NC)
A contact that is closed at rest and opens when actuated.
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JA自己保持回路 じこほじかいろVImạch tự giữ (duy trì)
A circuit using a relay's own contact to stay energised after the button is released.
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JAインターロックVIkhoá liên động (interlock)
A mechanism preventing conflicting operations or machine running until safety conditions are met.
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JAタイマVIbộ định thời (timer)
A function that delays switching of a contact by a set time.
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JAカウンタVIbộ đếm (counter)
A function that counts pulses or occurrences of an event.
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JA補助リレー ほじょリレーVIrơ-le trung gian
A small relay used to multiply or amplify contacts in control circuits.
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JAセンサVIcảm biến
A device that detects a physical quantity and converts it into an electrical signal.
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JA近接センサ きんせつセンサVIcảm biến tiệm cận
A sensor detecting nearby objects, typically metal, without contact.
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JA光電センサ こうでんセンサVIcảm biến quang
A sensor using a light beam to detect the presence of objects.
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JAリミットスイッチVIcông tắc hành trình
A mechanical switch actuated when a machine part reaches a limit position.
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JAエンコーダVIbộ mã hoá vòng quay (encoder)
A device converting rotary or linear motion into pulses for measuring position and speed.
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JA熱電対 ねつでんついVIcặp nhiệt điện (thermocouple)
A temperature sensor of two dissimilar metals producing a temperature-dependent voltage.
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JA測温抵抗体 そくおんていこうたいVInhiệt điện trở kim loại (RTD, Pt100)
Resistance temperature detector; a sensor using platinum resistance, such as Pt100.
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JA圧力センサ あつりょくセンサVIcảm biến áp suất
A sensor measuring gas or liquid pressure and outputting an electrical signal.
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JAレベルセンサVIcảm biến mức
A sensor measuring or detecting the level of liquid or material in a tank.
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JA流量計 りゅうりょうけいVIlưu lượng kế
An instrument measuring the flow rate of liquid or gas in a pipe.
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JA画像処理システム がぞうしょりシステムVIhệ thống thị giác máy (camera kiểm tra)
A camera and image-processing system for inspecting and identifying products.
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JANPN出力 エヌピーエヌしゅつりょくVIngõ ra NPN
A sensor output that sinks current to 0 V when active.
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JAPNP出力 ピーエヌピーしゅつりょくVIngõ ra PNP
A sensor output that sources positive voltage when active.
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JAアナログ信号 アナログしんごうVItín hiệu tương tự (analog)
A continuously varying signal such as 4–20 mA or 0–10 V.
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JA4-20mA よんにじゅうミリアンペアVItín hiệu 4–20 mA
An industrial current-loop standard where 4 mA is 0% and 20 mA is 100%.
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JAアクチュエータVIcơ cấu chấp hành
A device turning control signals into mechanical motion, such as cylinders or motors.
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JA電磁弁 でんじべんVIvan điện từ
A valve operated by an electromagnetic coil to control air or fluid.
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JAエアシリンダVIxi lanh khí nén
An actuator using compressed air to produce linear motion.
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JAサーボモータVIđộng cơ servo
A motor with encoder feedback for precise control of position, speed and torque.
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JAサーボアンプVIbộ điều khiển servo (driver)
A drive that powers and controls a servo motor according to controller commands.
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JAステッピングモータVIđộng cơ bước
A motor rotating a fixed angle for each control pulse.
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JA位置決め いちぎめVIđịnh vị
Control that moves an axis to a precise target position.
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JA原点復帰 げんてんふっきVIvề gốc (về điểm 0)
Returning a machine axis to its reference origin position.
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JA寸動 すんどうVIchạy nhắp (jog)
Running a machine in small movements only while a button is held, used for setup.
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JA自動運転 じどううんてんVIchạy tự động
A mode in which a machine runs its program without manual intervention.
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JA手動運転 しゅどううんてんVIchạy tay (chế độ manual)
A mode in which the operator controls each machine movement.
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JA非常停止 ひじょうていしVIdừng khẩn cấp (nút E-stop)
A function or red button that immediately stops a machine in danger.
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JAセーフティライトカーテンVIrèm quang an toàn
A device using light beams to stop a machine when someone enters a hazard zone.
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JA押しボタンスイッチ おしボタンスイッチVInút nhấn
A switch actuated by pressing, used for start and stop commands.
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JAセレクタスイッチVIcông tắc xoay (chuyển mạch)
A rotary switch for selecting modes such as auto/manual.
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JA積層信号灯 せきそうしんごうとうVIđèn tháp báo hiệu
A stacked multicolour lamp showing machine status such as running, stopped or fault.
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JA制御盤 せいぎょばんVItủ điều khiển
An enclosure housing PLCs, relays, power supplies and machine control devices.
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JAタッチパネルVImàn hình HMI
Human-machine interface; a touch screen for operating and monitoring machines.
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JASCADA スキャダVIhệ thống SCADA
Supervisory control and data acquisition; a system for plant-wide monitoring and data collection.
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JA分散制御システム ぶんさんせいぎょシステムVIhệ điều khiển phân tán (DCS)
Distributed control system; used in process plants such as chemical or power plants.
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JAフィールドバスVImạng truyền thông công nghiệp (fieldbus)
A digital network linking PLCs with field sensors and actuators.
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JA産業用イーサネット さんぎょうようイーサネットVIEthernet công nghiệp
Ethernet networks for factories, such as EtherNet/IP, PROFINET and CC-Link IE.
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JAModbus モドバスVIgiao thức Modbus
A simple, widely used master–slave industrial communication protocol.
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JA産業用ロボット さんぎょうようロボットVIrobot công nghiệp
A programmable robotic arm used for welding, painting and handling in factories.
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JAコンベヤVIbăng tải
Equipment that continuously transports items between processes.
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JAサイクルタイムVIthời gian chu kỳ (tact time)
The time a machine or process takes to complete one unit.
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JAアラームVIcảnh báo lỗi (alarm)
A notification raised when a machine faults or detects an abnormal condition.
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JAMES エムイーエスVIhệ thống điều hành sản xuất (MES)
Manufacturing execution system; software that manages and tracks production on the shop floor.
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JAIIoT アイアイオーティーVIIoT công nghiệp (IIoT)
Industrial Internet of Things; networking factory machines and sensors to collect and analyse data.
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JA予防保全 よぼうほぜんVIbảo trì phòng ngừa
Scheduled maintenance performed before failure to avoid unplanned downtime.