JPS59174993A - Series connection type detector - Google Patents
Series connection type detectorInfo
- Publication number
- JPS59174993A JPS59174993A JP4889983A JP4889983A JPS59174993A JP S59174993 A JPS59174993 A JP S59174993A JP 4889983 A JP4889983 A JP 4889983A JP 4889983 A JP4889983 A JP 4889983A JP S59174993 A JPS59174993 A JP S59174993A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- nls
- signal
- series connection
- connection type
- 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
Links
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔発明の利用分野〕
本発明は機械の動作位置を検出する近接スイッチ（以下
ＮＬＳと略称する）や金属検出器（通称ＨＭＤ、ＣＭＤ
）等の主に機械設備に適用される検出装置に関する。[Detailed Description of the Invention] [Field of Application of the Invention] The present invention is applicable to proximity switches (hereinafter abbreviated as NLS) and metal detectors (commonly known as HMD, CMD) that detect the operating position of a machine.
) etc., which are mainly applied to mechanical equipment.
従来、ＮＬＳとこれの信号を取込む制御装置等との接続
は、第１図に示すように、各ＮＬＳに対し、一対の電線
を用いる。Conventionally, a pair of electric wires is used for each NLS to connect the NLS to a control device or the like that receives the signals thereof, as shown in FIG.
従って、ＮＬＳが多数ある場合は、これらの配線工事は
多量の電線、および配線工数を必要とする。第１図は従
来のＮＬＳを用いた場合の配線系統図、第２図はＮＬＳ
の内部回路のブロック図である、これら図において、１
はＮＬＳ、２は制御装置、３は継電器コイル、４は検出
部、５は検出信−号処理回路、６は送信回路、７は電源
供給回路である。Therefore, when there are a large number of NLSs, wiring work requires a large amount of electric wires and wiring man-hours. Figure 1 is a wiring system diagram when using conventional NLS, Figure 2 is NLS
In these figures, 1 is a block diagram of the internal circuit of
2 is an NLS, 2 is a control device, 3 is a relay coil, 4 is a detection section, 5 is a detection signal processing circuit, 6 is a transmission circuit, and 7 is a power supply circuit.
本発明の目的は電線、および配線工事所要工数を大巾に
低減させる検出装置を提供するにある。An object of the present invention is to provide a detection device that greatly reduces the number of man-hours required for electric wire and wiring work.
本発明の要点は多数の検出器および制御装置間を一筆書
きで配線、接続できるようにするため・−筆書きされた
配線に搬送年金送出し、多数の検出器のうち被検出体を
検出した検出器は、前記配線の搬送波に対して、各検出
器個有の信号で変調するにある。The main point of the present invention is to enable wiring and connection between a large number of detectors and control devices with a single stroke. - A carrier wire is sent out to the traced wiring, and an object to be detected is detected among a large number of detectors. The detector modulates the carrier wave of the wiring with a signal unique to each detector.
このようにして作られた信号を復調することに−よシ、
どの検出器が被検出体を検出したかを知ることができる
。To demodulate the signal created in this way,
It is possible to know which detector detected the object to be detected.
本発明の実施例を第３図および第４図を用いて説明する
。An embodiment of the present invention will be described using FIGS. 3 and 4.
第３図のＮＬＳ制御ユニット１２に収納された送信回路
１３から、制御電源に搬送波を重畳させた信号を、伝送
路１０に送出する。A signal in which a carrier wave is superimposed on a control power source is sent to the transmission line 10 from a transmission circuit 13 housed in the NLS control unit 12 shown in FIG.
一方、各ＮＬＳ１１は第４図に示すように、検出部４、
検出信号処理回路５、変調回路１６および［電源供給回
路１７より成る。On the other hand, as shown in FIG. 4, each NLS 11 includes a detection unit 4,
It consists of a detection signal processing circuit 5, a modulation circuit 16, and a power supply circuit 17.
変調回路１６は検出部４、検出信号処理回路５よシ送ら
れた被検出体を検出した信号に基づき、伝送路１０の信
号に対して周波数変調を与える。The modulation circuit 16 applies frequency modulation to the signal on the transmission path 10 based on the signal sent from the detection section 4 and the detection signal processing circuit 5 that detects the detected object.
伝送路１０は第３図のように一策書き配線されておシ、
送信回路１３から送出された信号は各ＮＬＳＩＩを経由
して、ＮＬＳ制御ユニット１２に収納された受信回路１
４に導びかれる。The transmission line 10 is wired as shown in Figure 3.
The signal sent from the transmitting circuit 13 passes through each NLS II and is sent to the receiving circuit 1 housed in the NLS control unit 12.
4.
このようにして、あるＮＬＳが被検出体を検出したとい
う信号は搬送波＝ｋＮＬＳ固有の周波数で変調するとい
う手段で受信回路１４に伝達される。In this way, a signal indicating that a certain NLS has detected an object to be detected is transmitted to the receiving circuit 14 by modulating the carrier wave with a frequency unique to the carrier wave kNLS.
受信回路１４は受信した信号を復調することにより、被
検出体を検出しているＮＬ８Ｖｃ対応した信号を出力回
路１５に転送する。出力回路１５はこれに対応した信号
を所望の構成回路よシ出力する。The receiving circuit 14 demodulates the received signal and transfers a signal corresponding to NL8Vc detecting the object to the output circuit 15. The output circuit 15 outputs a corresponding signal to a desired constituent circuit.
つぎに、試、験機能について第３図および第４図を用い
て説明する。Next, the test function will be explained using FIGS. 3 and 4.
本機能はＮＬＳ制御ユニット１２のテストスイッチ３１
よシテスト指令を入力し・各ＮＬＳの動作確認試験をす
るものである。This function is performed by the test switch 31 of the NLS control unit 12.
This is used to input a test command and test the operation of each NLS.
テストスイッチ３１金ＯＮすると・送信回路１３から搬
送波にテスト指令信号が重畳されて出力される。When the test switch 31 is turned on, a test command signal is superimposed on the carrier wave and output from the transmitting circuit 13.
各ＮＬＳはテスト信号弁別回路３２にょシ、テスト指令
信号を検出すると、検出信号処理回路５に対して、検出
部４が被検出体全検出した時と等価な信号を入力する。When each NLS detects a test command signal in the test signal discrimination circuit 32, it inputs a signal to the detection signal processing circuit 5 that is equivalent to that when the detection section 4 detects all the objects to be detected.
このようにして１テストスイツチ３１がＯＮされると受
信回路１４には接続された全ＮＬＳが被検出体を検出し
たときと同じ信号が得られる。In this way, when the 1 test switch 31 is turned on, the same signal as when all the connected NLSs detect the object is obtained in the receiving circuit 14.
これによシ全ＮＬＳおよびＮＬｓ制御ユニット１２の動
作確認試験をすることができる。This makes it possible to test the operation of all NLS and NLs control units 12.
本発明の一実施例によれば
（１）制御室＃、線に検出信号を重畳させているので制
御電源専用線が不要。According to one embodiment of the present invention, (1) Since the detection signal is superimposed on the control room # line, a dedicated control power line is not required.
（２）周波数変調採用により耐雑音量が大きい。(2) High noise resistance due to frequency modulation.
（３）伝送路が閉ループになっているので、断線検出が
容易である◇
（４）全ＮＬＳの動作確認試験がワンタッチでできる。(3) Since the transmission line is a closed loop, disconnection detection is easy. (4) Operation confirmation tests for all NLSs can be performed with a single touch.
等の効果がある。There are other effects.
本発明によれば、各検出器とこれらの信号を取シ込む制
御装置等との接続を一筆署きて接続できるので配線材料
および配線工事所要工数の大巾な低減ができる。According to the present invention, each detector can be connected to a control device or the like that receives these signals with a single signature, so that the wiring materials and the number of man-hours required for wiring work can be greatly reduced.
笥１図は従来のＮＬＳを用いた相合の配線系統図、第２
図は従来のＮＬＳの内部回路のブロック図、第３図は本
発明のＮＬＳを用いた場合の配線系統図、第４図は本発
明のＮＬＳの内部回路のブロック図である。
１０・・・伝送路、１１・・・ＮＬＳ、１２・・・ＮＬ
Ｓ制御ユニット、１３・・・送信回路、１４・・・受信
回路、１５・・・出力回路、１６・・・変調回路、１７
・・・電源供給回路、３１・・・テストスイッチ、３２
・・・テスト信号弁別回路。
箔３１Ｚ１
第４−図Diagram 1 is a wiring system diagram for matching using conventional NLS, and the second diagram is
FIG. 3 is a block diagram of the internal circuit of a conventional NLS, FIG. 3 is a wiring system diagram when the NLS of the present invention is used, and FIG. 4 is a block diagram of the internal circuit of the NLS of the present invention. 10...Transmission line, 11...NLS, 12...NL
S control unit, 13... Transmission circuit, 14... Receiving circuit, 15... Output circuit, 16... Modulation circuit, 17
...Power supply circuit, 31...Test switch, 32
...Test signal discrimination circuit. Foil 31Z1 Fig. 4
Claims (1)
書きの伝送路で接続し、前記検出器は被検出体の検出に
より前記伝送路の搬送波に対して変調を加え、これを前
記復調回路によシ復調して検出信号を得ることを特徴と
する検出装置。1. A carrier wave transmission circuit, a plurality of detectors, and a demodulation circuit are connected by a single-stroke transmission line, and the detector modulates the carrier wave on the transmission line by detecting an object to be detected, and modulates the carrier wave on the transmission line, and modulates this by the demodulation circuit. A detection device characterized in that a detection signal is obtained by demodulation using a circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4889983A JPS59174993A (en) | 1983-03-25 | 1983-03-25 | Series connection type detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4889983A JPS59174993A (en) | 1983-03-25 | 1983-03-25 | Series connection type detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59174993A true JPS59174993A (en) | 1984-10-03 |
Family
ID=12816108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4889983A Pending JPS59174993A (en) | 1983-03-25 | 1983-03-25 | Series connection type detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59174993A (en) |
-
1983
- 1983-03-25 JP JP4889983A patent/JPS59174993A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR900019317A (en) | Power status detector | |
| US7911967B2 (en) | Control and monitor signal transmission system | |
| JPS59174993A (en) | Series connection type detector | |
| JPS6252699A (en) | Separation type sensor | |
| JPS58150330U (en) | Abnormality detection device | |
| JPS59151385U (en) | emergency alarm device | |
| JPS58145033U (en) | corona detector | |
| JPS5963786U (en) | fire signal repeater | |
| JPS6331229A (en) | Power line carrier remote control equipment | |
| JPS59122639U (en) | Information processing equipment type determination device | |
| JPH0792878B2 (en) | Encoder error transmission method | |
| JPS5933594U (en) | Gas leak alarm equipment repeater | |
| JPS61201400A (en) | Sensor monitor unit | |
| JPH0548623A (en) | Multiplex transmission system | |
| JPS63163288A (en) | Deciding device for line number of hot-line cable run | |
| JPH01315864A (en) | Data control circuit for information processing system | |
| JPS59189425U (en) | Control device for simultaneous operation equipment | |
| JPS60148967U (en) | Switch status detection device | |
| JPH0341831A (en) | Field communication system | |
| JPS61146035A (en) | Remote data collecting device | |
| JPS63136734A (en) | Circuit for recognizing mounting state | |
| JPH0475124A (en) | Area decision device for coordinate detector | |
| JPS61251338A (en) | Alarm control system | |
| JPS61186043A (en) | Status signal detecting system | |
| JPS58191982U (en) | Signal transmission equipment for industrial robots |