JPS61143069U - - Google Patents
Info
- Publication number
- JPS61143069U JPS61143069U JP2480785U JP2480785U JPS61143069U JP S61143069 U JPS61143069 U JP S61143069U JP 2480785 U JP2480785 U JP 2480785U JP 2480785 U JP2480785 U JP 2480785U JP S61143069 U JPS61143069 U JP S61143069U
- Authority
- JP
- Japan
- Prior art keywords
- sensor
- automatic machine
- switching operation
- performs
- detection circuit
- 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
- 238000001514 detection method Methods 0.000 claims description 9
- 230000002950 deficient Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- 230000007547 defect Effects 0.000 description 3
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Description
第１図は本考案の第一実施例に係るセンサ不良
検出回路の回路図、第２図は第１図の回路を使用
した自動機械の概略構成図、第３図は本考案の第
二実施例に係るセンサ不良検出回路を使用した自
動機械の概略構成図、第４図は第１図の自動機械
に使用したセンサ不良検出回路の回路図、第５図
は本考案の第三実施例に係るセンサ不良検出回路
を使用した自動機械の概略構成図、第６図は第５
図の装置のセンサ不良検出回路の回路図、第７図
は本考案の第四実施例に係るセンサ不良検出回路
を使用した自動機械の概略構成図、第８図は第７
図の装置のセンサ不良検出回路の回路図である。
符号の説明、１……シリンダ、１ａ……ロツド
、１ｂ……ドグ、２……電磁バルブ、３，１８…
…リミツトスイツチ（センサ）、５……駆動源、
６……マフラ、７……シリンダ作動信号（リレー
接点）、８，１９……リミツトスイツチ接点、９
……ソレノイド、１５，２９，３６……タイマ、
１６，２５，２９ａ，３７……タイマ接点、１７
……センサ不良表示ランプ、３１……製品、３２
……表裏判別治具、３２ａ……ノズル、３３……
圧力スイツチ（センサ）、３３ａ，３３ｂ……圧
力スイツチ接点、３８……製品表表示ランプ、３
９……製品裏表示ランプ、１０〜１４，２０〜２
４，２６〜３１，３４，３５……リレー接点、Ｒ
１〜Ｒ９……リレー。
Figure 1 is a circuit diagram of a sensor failure detection circuit according to the first embodiment of the present invention, Figure 2 is a schematic configuration diagram of an automatic machine using the circuit of Figure 1, and Figure 3 is a second embodiment of the present invention. A schematic configuration diagram of an automatic machine using the sensor failure detection circuit according to the example, Fig. 4 is a circuit diagram of the sensor failure detection circuit used in the automatic machine of Fig. 1, and Fig. 5 is a diagram of the third embodiment of the present invention. A schematic configuration diagram of an automatic machine using such a sensor defect detection circuit, FIG.
A circuit diagram of a sensor defect detection circuit of the device shown in the figure, FIG. 7 is a schematic configuration diagram of an automatic machine using a sensor defect detection circuit according to a fourth embodiment of the present invention, and FIG.
FIG. 3 is a circuit diagram of a sensor failure detection circuit of the device shown in the figure. Explanation of symbols: 1...Cylinder, 1a...Rod, 1b...Dog, 2...Solenoid valve, 3, 18...
... Limit switch (sensor), 5... Drive source,
6...Muffler, 7...Cylinder operation signal (relay contact), 8, 19...Limit switch contact, 9
... Solenoid, 15, 29, 36 ... Timer,
16, 25, 29a, 37...Timer contact, 17
...Sensor failure indicator lamp, 31...Product, 32
...Front and back discrimination jig, 32a... Nozzle, 33...
Pressure switch (sensor), 33a, 33b...Pressure switch contact, 38...Product table display lamp, 3
9...Product back indicator lamp, 10-14, 20-2
4, 26 to 31, 34, 35...Relay contact, R
1 to R9 ...Relay.
Claims (1)
該自動機械を制御するセンサと、上記自動機械が
所定状態となつた時にスイツチング動作をするス
イツチング素子とを有し、該スイツチング素子が
所定状態となつたときに上記センサがスイツチン
グ動作をすれば該センサは正常、上記センサがス
イツチング動作をしなければ上記センサは不良で
あることを検出することを特徴とするセンサ不良
検出回路。 It has a sensor that detects the operating state of the automatic machine and controls the automatic machine with a detection signal, and a switching element that performs a switching operation when the automatic machine enters a predetermined state, and the switching element performs a switching operation when the automatic machine enters a predetermined state. 1. A sensor failure detection circuit, wherein when the sensor performs a switching operation, it is determined that the sensor is normal, and when the sensor does not perform a switching operation, it is determined that the sensor is defective.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2480785U JPS61143069U (en) | 1985-02-25 | 1985-02-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2480785U JPS61143069U (en) | 1985-02-25 | 1985-02-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61143069U true JPS61143069U (en) | 1986-09-04 |
Family
ID=30519306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2480785U Pending JPS61143069U (en) | 1985-02-25 | 1985-02-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61143069U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57156569A (en) * | 1981-03-23 | 1982-09-27 | Minolta Camera Co Ltd | Check system for switch |
-
1985
- 1985-02-25 JP JP2480785U patent/JPS61143069U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57156569A (en) * | 1981-03-23 | 1982-09-27 | Minolta Camera Co Ltd | Check system for switch |
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