JPS6291267U - - Google Patents
Info
- Publication number
- JPS6291267U JPS6291267U JP18165685U JP18165685U JPS6291267U JP S6291267 U JPS6291267 U JP S6291267U JP 18165685 U JP18165685 U JP 18165685U JP 18165685 U JP18165685 U JP 18165685U JP S6291267 U JPS6291267 U JP S6291267U
- Authority
- JP
- Japan
- Prior art keywords
- rotary shaft
- exclusive
- gate
- output signal
- encoder
- 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 2
- 238000010586 diagram Methods 0.000 description 2
Description
第１図はこの考案の一実施例を示す回路図、第
２図は第１図のロータリーシヤフトエンコーダの
正常時の出力信号を表わすタイムチヤート、第３
図は従来のエンコーダ断線検出方法の例を示す構
成図である。
１…ロータリーシヤフトエンコーダ、２，２０
…ラインレシーバ、３，３０…排他的論理和ゲー
ト、４，４０…積分回路、５，５０…信号線。
Fig. 1 is a circuit diagram showing an embodiment of this invention, Fig. 2 is a time chart showing the normal output signal of the rotary shaft encoder of Fig. 1, and Fig.
The figure is a configuration diagram showing an example of a conventional encoder disconnection detection method. 1...Rotary shaft encoder, 2,20
... Line receiver, 3, 30... Exclusive OR gate, 4, 40... Integrating circuit, 5, 50... Signal line.
Claims (1)
るロータリーシヤフトエンコーダと、このロータ
リーシヤフトエンコーダよりの差動出力信号が加
えられる排他的論理和ゲートとを具備し、前記排
他的論理和ゲートの出力の取り得る論理状態から
断線状態を検出することを特徴とするエンコーダ
断線検出回路。 It is equipped with a rotary shaft encoder to which a differential output signal from a line driver is sent, and an exclusive OR gate to which a differential output signal from the rotary shaft encoder is added, and the output of the exclusive OR gate can be An encoder disconnection detection circuit characterized by detecting a disconnection state from a logic state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18165685U JPS6291267U (en) | 1985-11-26 | 1985-11-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18165685U JPS6291267U (en) | 1985-11-26 | 1985-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6291267U true JPS6291267U (en) | 1987-06-11 |
Family
ID=31126724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18165685U Pending JPS6291267U (en) | 1985-11-26 | 1985-11-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6291267U (en) |
-
1985
- 1985-11-26 JP JP18165685U patent/JPS6291267U/ja active Pending
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