JP2018026389A - 信号伝送回路 - Google Patents
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- 238000009413 insulation Methods 0.000 claims abstract description 6
- 230000003111 delayed effect Effects 0.000 claims description 5
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- 239000012530 fluid Substances 0.000 description 3
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/80—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water
- H04B10/801—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water using optical interconnects, e.g. light coupled isolators, circuit board interconnections
- H04B10/802—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water using optical interconnects, e.g. light coupled isolators, circuit board interconnections for isolation, e.g. using optocouplers
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/0175—Coupling arrangements; Interface arrangements
- H03K19/017509—Interface arrangements
- H03K19/017536—Interface arrangements using opto-electronic devices
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- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4183—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by data acquisition, e.g. workpiece identification
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
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- H01L31/12—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof structurally associated with, e.g. formed in or on a common substrate with, one or more electric light sources, e.g. electroluminescent light sources, and electrically or optically coupled thereto
- H01L31/125—Composite devices with photosensitive elements and electroluminescent elements within one single body
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/20—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits characterised by logic function, e.g. AND, OR, NOR, NOT circuits
- H03K19/21—EXCLUSIVE-OR circuits, i.e. giving output if input signal exists at only one input; COINCIDENCE circuits, i.e. giving output only if all input signals are identical
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/01—Shaping pulses
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0264—Arrangements for coupling to transmission lines
- H04L25/0266—Arrangements for providing Galvanic isolation, e.g. by means of magnetic or capacitive coupling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0079—Receiver details
- H04L7/0087—Preprocessing of received signal for synchronisation, e.g. by code conversion, pulse generation or edge detection
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25005—Fluid bus for communication in process system with several fluidic control modules
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- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2609—Process control
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/40—Robotics, robotics mapping to robotics vision
- G05B2219/40237—Bus for communication with sensors
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K2005/00013—Delay, i.e. output pulse is delayed after input pulse and pulse length of output pulse is dependent on pulse length of input pulse
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Abstract
【解決手段】信号伝送回路は、絶縁回路としてのフォトカプラと、フォトカプラの一次側に設けられ、伝送すべき信号の立ち上がりエッジ及び立ち下がりエッジを検出するエッジ検出回路と、フォトカプラの二次側に設けられ、エッジ検出回路から出力されてフォトカプラを介したエッジ検出信号の立ち上がりエッジ及び立ち下がりエッジの何れか一方のみを用いて伝送すべき信号を復調するエッジ復調回路と、を備える。
【選択図】図1
Description
また、本発明の信号伝送回路は、絶縁回路としての第2フォトカプラ(23b)と、前記第2フォトカプラを介して伝送されるイネーブル信号(S21)に基づいて、前記エッジ復調回路によって復調された信号の出力制御を行う出力制御回路(26)と、を備える。
また、本発明の信号伝送回路は、前記第2フォトカプラを介して伝送されるイネーブル信号に基づいて、前記エッジ復調回路で復調される信号の初期値を設定する初期値設定回路(27)を備える。
また、本発明の信号伝送回路は、前記第1,第2フォトカプラの一次側にそれぞれ設けられた第1,第2発光部回路(22a、22b)と、前記第1,第2フォトカプラの二次側にそれぞれ設けられた第1,第2受光部回路(24a、24b)と、を備える。
また、本発明の信号伝送回路は、前記エッジ検出回路が、前記伝送すべき信号を予め規定された時間だけ遅延させる遅延回路(31)と、前記伝送すべき信号と前記遅延回路で遅延された信号との排他的論理和を演算する演算回路(32)と、を備える。
(1)信号伝送回路20の入力と出力とを逆にする。
(2)エッジ検出回路21の前段に受信回路(フィールドバスFBを介して送信されてくるディジタル信号を受信する回路)を設ける。
(3)発光部回路22b、フォトカプラ23b、受光部回路24b、出力制御回路26、及び初期値設定回路27を省略する。
21 エッジ検出回路
22a,22b 発光部回路
23a,23b フォトカプラ
24a,24b 受光部回路
25 エッジ復調回路
26 出力制御回路
27 初期値設定回路
31 遅延回路
32 排他的論理和回路
S1 送信信号
S2 イネーブル信号
S11,S12 エッジ検出信号
S13 送信信号
S21 イネーブル信号
Claims (5)
- 絶縁回路としての第1フォトカプラを備え、前記第1フォトカプラを介して信号を伝送する信号伝送回路において、
前記第1フォトカプラの一次側に設けられ、伝送すべき信号の立ち上がりエッジ及び立ち下がりエッジを検出するエッジ検出回路と、
前記第1フォトカプラの二次側に設けられ、前記エッジ検出回路から出力されて前記第1フォトカプラを介したエッジ検出信号の立ち上がりエッジ及び立ち下がりエッジの何れか一方のみを用いて前記伝送すべき信号を復調するエッジ復調回路と、
を備える信号伝送回路。 - 絶縁回路としての第2フォトカプラと、
前記第2フォトカプラを介して伝送されるイネーブル信号に基づいて、前記エッジ復調回路によって復調された信号の出力制御を行う出力制御回路と、
を備える請求項1記載の信号伝送回路。 - 前記第2フォトカプラを介して伝送されるイネーブル信号に基づいて、前記エッジ復調回路で復調される信号の初期値を設定する初期値設定回路を備える、請求項2記載の信号伝送回路。
- 前記第1,第2フォトカプラの一次側にそれぞれ設けられた第1,第2発光部回路と、
前記第1,第2フォトカプラの二次側にそれぞれ設けられた第1,第2受光部回路と、
を備える請求項2又は請求項3記載の信号伝送回路。 - 前記エッジ検出回路は、前記伝送すべき信号を予め規定された時間だけ遅延させる遅延回路と、
前記伝送すべき信号と前記遅延回路で遅延された信号との排他的論理和を演算する演算回路と、
を備える請求項1から請求項4の何れか一項に記載の信号伝送回路。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016155425A JP6390675B2 (ja) | 2016-08-08 | 2016-08-08 | 信号伝送回路 |
US15/659,013 US10558202B2 (en) | 2016-08-08 | 2017-07-25 | Signal transmission circuit, field device, and plant control system |
EP17183466.6A EP3282585B1 (en) | 2016-08-08 | 2017-07-27 | Signal transmission circuit, field device, and plant control system |
CN201710662128.8A CN107707244B (zh) | 2016-08-08 | 2017-08-04 | 信号传输电路、现场仪器以及车间控制系统 |
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JP2016155425A JP6390675B2 (ja) | 2016-08-08 | 2016-08-08 | 信号伝送回路 |
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JP2018026389A true JP2018026389A (ja) | 2018-02-15 |
JP6390675B2 JP6390675B2 (ja) | 2018-09-19 |
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US (1) | US10558202B2 (ja) |
EP (1) | EP3282585B1 (ja) |
JP (1) | JP6390675B2 (ja) |
CN (1) | CN107707244B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2021027577A (ja) * | 2019-07-31 | 2021-02-22 | 株式会社デンソー | 信号伝達装置 |
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TWI792175B (zh) * | 2021-02-04 | 2023-02-11 | 康舒科技股份有限公司 | 電源供應裝置及其控制方法 |
JP7494820B2 (ja) * | 2021-08-25 | 2024-06-04 | トヨタ自動車株式会社 | 情報処理装置、情報処理方法、およびプログラム |
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2016
- 2016-08-08 JP JP2016155425A patent/JP6390675B2/ja active Active
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2017
- 2017-07-25 US US15/659,013 patent/US10558202B2/en active Active
- 2017-07-27 EP EP17183466.6A patent/EP3282585B1/en active Active
- 2017-08-04 CN CN201710662128.8A patent/CN107707244B/zh active Active
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JPH03217904A (ja) * | 1990-01-23 | 1991-09-25 | Toshiba Mach Co Ltd | 入力モジュール |
JP2010010762A (ja) * | 2008-06-24 | 2010-01-14 | Rohm Co Ltd | パワー半導体の駆動回路装置およびそれに用いる信号伝達回路装置 |
US20140118045A1 (en) * | 2012-10-31 | 2014-05-01 | Electronics And Telecommunications Research Institute | Apparatus for controlling duty ratio of signal |
JP2015035725A (ja) * | 2013-08-09 | 2015-02-19 | 本田技研工業株式会社 | 電磁負荷を駆動する装置及びシステム |
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JP2021027577A (ja) * | 2019-07-31 | 2021-02-22 | 株式会社デンソー | 信号伝達装置 |
JP7275071B2 (ja) | 2019-07-31 | 2023-05-17 | 株式会社デンソー | 信号伝達装置 |
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US20180039256A1 (en) | 2018-02-08 |
CN107707244B (zh) | 2021-09-03 |
EP3282585B1 (en) | 2021-12-08 |
CN107707244A (zh) | 2018-02-16 |
EP3282585A1 (en) | 2018-02-14 |
US10558202B2 (en) | 2020-02-11 |
JP6390675B2 (ja) | 2018-09-19 |
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