JPH02108228U - - Google Patents
Info
- Publication number
- JPH02108228U JPH02108228U JP1580489U JP1580489U JPH02108228U JP H02108228 U JPH02108228 U JP H02108228U JP 1580489 U JP1580489 U JP 1580489U JP 1580489 U JP1580489 U JP 1580489U JP H02108228 U JPH02108228 U JP H02108228U
- Authority
- JP
- Japan
- Prior art keywords
- light
- bypass
- self
- photoelectric switch
- blocking
- 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
- 238000004092 self-diagnosis Methods 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
Description
第１図は、この考案に係る反射型光電スイツチ
の自己診断装置の回路図、第２図は、自己診断手
段における作動状態の説明図である。
１……ケーシング、２……投光手段、３……受
光手段、５……電気回路、６……自己診断手段、
６１，６２……光バイパス子、６３……電子光シ
ヤツター、６４……自己診断回路、ａ……バイパ
ス光。
FIG. 1 is a circuit diagram of a self-diagnosis device for a reflective photoelectric switch according to this invention, and FIG. 2 is an explanatory diagram of the operating state of the self-diagnosis means. DESCRIPTION OF SYMBOLS 1... Casing, 2 ... Light emitting means, 3 ... Light receiving means, 5 ... Electric circuit, 6 ... Self-diagnosis means,
61, 62... Optical bypass element, 63... Electronic optical shutter, 64... Self-diagnosis circuit, a... Bypass light.
Claims (1)
照射光の一部をバイパス光として受光手段に直接
受光自在とし、そのバイパス光の光路を遮断可能
とした電子光シヤツター手段を装備したことを特
徴とする自己診断装置。 A reflection type photoelectric switch, characterized in that it is equipped with an electronic optical shutter means that allows a part of the irradiated light from the light emitting means to be directly received by the light receiving means as bypass light, and that is capable of blocking the optical path of the bypass light. Self-diagnosis device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1580489U JPH02108228U (en) | 1989-02-15 | 1989-02-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1580489U JPH02108228U (en) | 1989-02-15 | 1989-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02108228U true JPH02108228U (en) | 1990-08-28 |
Family
ID=31228179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1580489U Pending JPH02108228U (en) | 1989-02-15 | 1989-02-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02108228U (en) |
-
1989
- 1989-02-15 JP JP1580489U patent/JPH02108228U/ja active Pending
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