JPS59230353A - Data transmitter between controllers - Google Patents

Data transmitter between controllers

Info

Publication number
JPS59230353A
JPS59230353A JP10517683A JP10517683A JPS59230353A JP S59230353 A JPS59230353 A JP S59230353A JP 10517683 A JP10517683 A JP 10517683A JP 10517683 A JP10517683 A JP 10517683A JP S59230353 A JPS59230353 A JP S59230353A
Authority
JP
Japan
Prior art keywords
signal
data transmission
power supply
power
line
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP10517683A
Other languages
Japanese (ja)
Inventor
Masanori Ogawa
正則 小川
Toshio Maruke
登志雄 丸毛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP10517683A priority Critical patent/JPS59230353A/en
Publication of JPS59230353A publication Critical patent/JPS59230353A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H04B3/548—Systems for transmission via power distribution lines the power on the line being DC
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
    • H04B2203/5416—Methods of transmitting or receiving signals via power distribution lines by adding signals to the wave form of the power source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5462—Systems for power line communications
    • H04B2203/547—Systems for power line communications via DC power distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5462—Systems for power line communications
    • H04B2203/5495—Systems for power line communications having measurements and testing channel

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Dc Digital Transmission (AREA)

Abstract

PURPOSE:To reduce the number of transmission lines by superimposing a signal on a power line in the data transmission between microcomputers. CONSTITUTION:In transmitting a data from a controller 1 to a controller 2, a signal from a microcomputer 3 drives a transistor 12 and the signal is transmitted to a power supply section 5 while being superimposed thereupon. Power is extracted from a reception signal through a diode 16, a capacitor 18 and a resistor 17 at the reception side and impresses the power to a power supply terminal VCC of the microcomputer 4. Further, this signal is impressed to a voltage comparator 20 via a resistance 21. A reference signal obtained by rectifying and smoothing the former signal through a diode 23, a resistance 24 and a capacitor 25 is impressed to the other input of the voltage comparator 20.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は、相互に距離を隔てて独立した制御を送を行う
データ伝送装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION FIELD OF INDUSTRIAL APPLICATION The present invention relates to a data transmission device that performs independent control transmission at a distance from each other.

従来例の構成とその問題点 従来、相互に独立した制御装置間のデータ伝送は第１図
のような構成となっていた。Conventional configuration and its problems Conventionally, data transmission between mutually independent control devices has been configured as shown in FIG.

２　、・−−−・ 第１図において、１，２はそれぞれ独立した制御装置で
あり、共にデータ伝送・制御等を行うマイクロ・コンピ
ュータ等で実現された判断部３゜４を持っている。また
、制御装置１は、判断部４へＧＮＤ線７および電源線６
を介して接続された電源部５を持っていた。また判断部
３と判断部４はデータ伝送線８を介して接続されていた
。2. In FIG. 1, 1 and 2 are independent control devices, both of which have judgment units 3 and 4 realized by a microcomputer or the like for data transmission and control. The control device 1 also connects the GND line 7 and the power line 6 to the determination unit 4.
It had a power supply section 5 connected via. Furthermore, the determining section 3 and the determining section 4 were connected via a data transmission line 8.

すなわち、制御装置１と制御装置２は、電源線６、グラ
ンド線（ＧＮＤ線）７、データ伝送線８の３線により／
接続され、制御装置２の判断部４は、電源部５から電源
の供給を受けると共に、データ伝送線８により、シリア
ルデータを受信し、制御を行うものであった。That is, the control device 1 and the control device 2 are connected to each other by three wires: a power supply line 6, a ground line (GND line) 7, and a data transmission line 8.
The determination section 4 of the control device 2 receives power from the power supply section 5, receives serial data through the data transmission line 8, and performs control.

ところが、この構成では制御装置１，２間が３線となる
ため、距離が長くなると著しくコストや施工性が問題と
なる欠点を有していた。However, in this configuration, since there are three wires between the control devices 1 and 2, the disadvantage is that the longer the distance, the greater the problem of cost and workability.

また、電源部５を制御装置１および２に持つことにより
、制御装置間はＧＮＤ線７とデータ伝送線８の２線のみ
で、同様のデータ伝送を実現した従来例（図示せず）も
あるが、両制御装置に電源３　／・−・一 部が必要であるという欠点を有していた、。There is also a conventional example (not shown) in which a similar data transmission is achieved by having the power supply section 5 in the control devices 1 and 2, with only two wires, the GND line 7 and the data transmission line 8, between the control devices. However, it had the disadvantage that both control devices required a part of the power supply.

発明の目的 本発明は、上記従来例にみられる欠点を除去し、制御装
置間の接続線を２線としかつ、電源部ヲーカ所にのみ所
有することにより、制御装置全体の簡素化をはかること
を目的とする。Purpose of the Invention The present invention aims to simplify the entire control device by eliminating the drawbacks seen in the above-mentioned conventional example, reducing the number of connection lines between the control devices to two, and having the power supply section only at the location. With the goal.

発明の構成 この目的を達成するために本発明は、各制御装置への供
給用電源をもつ制御装置と、前記制御装置から電源の供
給を受ける１台以上の制御装置間を接続する電源線に、
データ伝送信号を重畳させ、電源線によりデータ伝送を
行うものである。Structure of the Invention In order to achieve this object, the present invention provides a power line that connects a control device having power supply to each control device and one or more control devices receiving power supply from the control device. ,
Data transmission signals are superimposed and data transmission is performed using a power line.

図ないし第５図を参考に説明する。This will be explained with reference to FIGS.

まず第２図により、本発明の実施例における構成を説明
する。ここで、第１図に示すものと同一のものについて
は同一の番号を付して説明を省略する。First, the configuration of an embodiment of the present invention will be explained with reference to FIG. Components that are the same as those shown in FIG. 1 are given the same numerals and their description will be omitted.

第２図において、９，１０はそれぞれレベル変換器であ
り、レベル変換器９は電源部６の電源電圧に判断部３か
らのデータ信号を重畳させ、レベル変換器９は、伝送電
源線１１により伝送される電源と信号全分離するもので
ある。In FIG. 2, 9 and 10 are level converters, respectively. The level converter 9 superimposes the data signal from the judgment unit 3 on the power supply voltage of the power supply unit 6, and the level converter 9 This completely separates the transmitted power and signals.

次に第３図により、レベル変換器９，１０を中心に説明
する。Next, with reference to FIG. 3, the level converters 9 and 10 will be mainly explained.

第３図において、判断部３，４はマイクロコンピュータ
であり、共に制御装置１の電源部５により電源を供給さ
れている。ここで、レベル変換器９は、トランジスタ１
２、電圧レベル設定用ツェナーダイオード１３、トラン
ジスタ１４、バイアス用抵抗路１５から構成されており
、判断部３のマイクロコンピュータの出力により、伝送
電源線１１の電圧レベルをデータ伝送信号に応じて変化
させている。In FIG. 3, the determination units 3 and 4 are microcomputers, and both are supplied with power from the power supply unit 5 of the control device 1. Here, the level converter 9 is a transistor 1
2. It is composed of a Zener diode 13 for voltage level setting, a transistor 14, and a bias resistance path 15, and the voltage level of the transmission power line 11 is changed according to the data transmission signal by the output of the microcomputer of the judgment section 3. ing.

また、レベル変換器１０は電源取出部と信号分離部から
構成されている。前者としては、ダイオード１６、抵抗
器１７、平滑用コンデンサ１８、電圧設定用ツェナーダ
イオード１９から構成されており、伝送電源線１１の電
圧から判断部４に必５７“−二′ 要な電源電圧を作り出している。一方、信号分離部は電
圧比較器２０１伝送電源電圧を分圧し電圧比較器２０の
負入力端子へ入力する分圧用抵抗器２１、伝送電源電圧
から電圧比較器２ｏの電源を作り出す平滑回路としての
ダイオード２３、抵抗器２４、コンデンサ２６および電
圧比較器２０の正入力端子に基準電圧を入力する分圧用
抵抗器２２から構成されており、電圧比較器２０の出力
すなわちデータ伝送信号を判断部４のマイクロコンピュ
ータに入力している。Further, the level converter 10 is composed of a power supply extraction section and a signal separation section. The former is composed of a diode 16, a resistor 17, a smoothing capacitor 18, and a voltage setting Zener diode 19, and determines the necessary power supply voltage to the determination unit 4 from the voltage of the transmission power line 11. On the other hand, the signal separation section includes a voltage dividing resistor 21 that divides the transmission power supply voltage of the voltage comparator 201 and inputs it to the negative input terminal of the voltage comparator 20, and a smoothing resistor 21 that divides the transmission power supply voltage and inputs it to the negative input terminal of the voltage comparator 20; The circuit consists of a diode 23, a resistor 24, a capacitor 26, and a voltage dividing resistor 22 that inputs a reference voltage to the positive input terminal of the voltage comparator 20, and judges the output of the voltage comparator 20, that is, the data transmission signal. The information is input to the microcomputer in section 4.

次に、第４図および第５図によりデータ伝送信号波形の
変換を示す。Next, FIGS. 4 and 5 show conversion of data transmission signal waveforms.

第４図は、伝送電源線１１の電圧波形全示し、破線が判
断部４のマイクロコンピュータの駆動電圧レベルを示す
。す々わち、第４図は伝送電源線１１の電圧が、判断部
４の駆動電圧レベルより高ければ、十分信号を分離する
ことが可能であることを示している。FIG. 4 shows all the voltage waveforms of the transmission power line 11, and the broken line shows the driving voltage level of the microcomputer of the determining section 4. In other words, FIG. 4 shows that if the voltage of the transmission power line 11 is higher than the driving voltage level of the determining section 4, it is possible to sufficiently separate the signals.

また、第５図は電圧比較器２０の出力波形、すなわち、
分離されたデータ伝送信号を示している。Further, FIG. 5 shows the output waveform of the voltage comparator 20, that is,
Figure 3 shows separated data transmission signals.

６　　′　′ また、データ伝送信号は第５図に示すように、パルス列
となっており、ノクルスの組み合せあるいはパルス数に
より、設定された意味をもたせ、判断部４により、所定
の制御を行った。6'' Also, as shown in FIG. 5, the data transmission signal is a pulse train, which is given a set meaning by the Noculus combination or the number of pulses, and is controlled in a predetermined manner by the judgment unit 4.

なお、本実施例においては、１対１の制御装置間の伝送
で説明したが、１対複数であっても可能である。また、
伝送信号波形としてデータ伝送信号が駆動電圧レベルに
重畳され、データ伝送信号波形が駆動電圧レベルより高
い場合の実施例であったが、データ伝送信号波形の・く
ルス幅が平滑後の電源電圧に影響を与えない程度であれ
ば、データ伝送信号波形が駆動電圧レベルより低い、負
のパルスを重畳しても同様の伝送が実現できるものであ
る。Although this embodiment has been described with one-to-one transmission between control devices, one-to-multiple transmission is also possible. Also,
In this embodiment, the data transmission signal is superimposed on the drive voltage level as the transmission signal waveform, and the data transmission signal waveform is higher than the drive voltage level. The same transmission can be achieved even if a negative pulse whose data transmission signal waveform is lower than the driving voltage level is superimposed as long as it does not have any influence.

また、データ伝送信号をデータとして扱わずに単なるト
リガ入力とすることも可能である。Furthermore, it is also possible to treat the data transmission signal as a mere trigger input without treating it as data.

さらに、レベル変換器９の構成についても本実施例の構
成に限るものでなく、第４図に示すような出力を形成す
る既知の回路を使用した構成としてもよい。Further, the configuration of the level converter 9 is not limited to the configuration of this embodiment, but may be configured using a known circuit that forms an output as shown in FIG. 4.

ア　、−・　− 発明の効果 上記実施例より明らかなように、本発明における制御装
置間のデータ伝送装置は、本来必要である電源線に信号
を重畳することにより、制御装置間の伝送線の本数が減
少でき、コストおよび施工性面での改善がはかれるもの
である。A. - Effects of the Invention As is clear from the above embodiments, the data transmission device between control devices according to the present invention can improve the transmission line between control devices by superimposing a signal on the originally required power supply line. The number of pieces can be reduced, and improvements can be made in terms of cost and workability.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の制御装置間のデータ伝送装置のブロック
図、第２図は本発明の一実施例を示す制御装置のデータ
伝送装置のブロック図、第３図は同データ伝送装置のレ
ベル変換（社）を中心とした電子回路図、第４図は同デ
ータ伝送装置における伝送電源線」二の電圧波形図、第
５図は同データ伝送装置における受信後、分離取り出さ
れたデータ伝送信号図である。 １・・・・・・制御装置、２・・・・・・制御装置、５
・・・・・・電源部、１１・・・・・・伝送電源線、７
・・・・・・グランド線。 代理人の氏名　弁理士　中　尾　敏　男　ほか１名第１
図 第２図Fig. 1 is a block diagram of a conventional data transmission device between control devices, Fig. 2 is a block diagram of a data transmission device of a control device showing an embodiment of the present invention, and Fig. 3 is a level conversion of the same data transmission device. (Company), Figure 4 is a voltage waveform diagram of the transmission power line in the same data transmission equipment, and Figure 5 is a data transmission signal diagram separated after reception in the same data transmission equipment. It is. 1... Control device, 2... Control device, 5
...Power supply section, 11...Transmission power line, 7
・・・・・・Grand line. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
Figure 2

Claims (1)

【特許請求の範囲】[Claims] 直流電流が流れる伝送電源線とグランド線で接続された
制御装置駆動用電源をもつ制御装置と、前記制御装置駆
動用電源から直流電源の供給を受量。A control device has a control device driving power source connected by a transmission power line through which DC current flows and a ground line, and receives a supply of DC power from the control device driving power source.
JP10517683A 1983-06-13 1983-06-13 Data transmitter between controllers Pending JPS59230353A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10517683A JPS59230353A (en) 1983-06-13 1983-06-13 Data transmitter between controllers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10517683A JPS59230353A (en) 1983-06-13 1983-06-13 Data transmitter between controllers

Publications (1)

Publication Number Publication Date
JPS59230353A true JPS59230353A (en) 1984-12-24

Family

ID=14400365

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10517683A Pending JPS59230353A (en) 1983-06-13 1983-06-13 Data transmitter between controllers

Country Status (1)

Country Link
JP (1) JPS59230353A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0386659A2 (en) * 1989-03-09 1990-09-12 Siemens Aktiengesellschaft Circuit for transmitting binary signals and energy over a line
JPH03285522A (en) * 1990-03-31 1991-12-16 Anton Bauer Inc Battery system
EP0660287A1 (en) * 1993-12-27 1995-06-28 Honeywell Inc. Locally powered control system having a remote sensing unit with a two wire connection
JP2002271426A (en) * 2001-03-13 2002-09-20 Takata Corp Method for transmitting control signal
JP2014216849A (en) * 2013-04-25 2014-11-17 ラピスセミコンダクタ株式会社 Communication system, reception device, semiconductor device, and reset method for communication system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5236904A (en) * 1975-09-19 1977-03-22 Hitachi Ltd Signal transmission circuit
JPS5337344A (en) * 1976-09-17 1978-04-06 Ricoh Co Ltd Data collecting system
JPS54156145A (en) * 1978-05-31 1979-12-08 Matsushita Electric Works Ltd Indoor power line carrier control system
JPS5690657A (en) * 1979-12-25 1981-07-22 Fuji Electric Co Ltd Wire transmission system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5236904A (en) * 1975-09-19 1977-03-22 Hitachi Ltd Signal transmission circuit
JPS5337344A (en) * 1976-09-17 1978-04-06 Ricoh Co Ltd Data collecting system
JPS54156145A (en) * 1978-05-31 1979-12-08 Matsushita Electric Works Ltd Indoor power line carrier control system
JPS5690657A (en) * 1979-12-25 1981-07-22 Fuji Electric Co Ltd Wire transmission system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0386659A2 (en) * 1989-03-09 1990-09-12 Siemens Aktiengesellschaft Circuit for transmitting binary signals and energy over a line
EP0386659A3 (en) * 1989-03-09 1991-08-14 Siemens Aktiengesellschaft Circuit for transmitting binary signals and energy over a line
JPH03285522A (en) * 1990-03-31 1991-12-16 Anton Bauer Inc Battery system
EP0660287A1 (en) * 1993-12-27 1995-06-28 Honeywell Inc. Locally powered control system having a remote sensing unit with a two wire connection
US5635896A (en) * 1993-12-27 1997-06-03 Honeywell Inc. Locally powered control system having a remote sensing unit with a two wire connection
JP2002271426A (en) * 2001-03-13 2002-09-20 Takata Corp Method for transmitting control signal
JP4544768B2 (en) * 2001-03-13 2010-09-15 タカタ株式会社 Airbag deployment control system
JP2014216849A (en) * 2013-04-25 2014-11-17 ラピスセミコンダクタ株式会社 Communication system, reception device, semiconductor device, and reset method for communication system

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