JPS6397938U - - Google Patents
Info
- Publication number
- JPS6397938U JPS6397938U JP1986191418U JP19141886U JPS6397938U JP S6397938 U JPS6397938 U JP S6397938U JP 1986191418 U JP1986191418 U JP 1986191418U JP 19141886 U JP19141886 U JP 19141886U JP S6397938 U JPS6397938 U JP S6397938U
- Authority
- JP
- Japan
- Prior art keywords
- transmission circuit
- encoder
- data
- logically
- logic
- 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
- 230000005540 biological transmission Effects 0.000 claims 4
- 208000033748 Device issues Diseases 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Communication Control (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Dc Digital Transmission (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は第１図におけるデータ処理装置のチエツク処
理フローチヤート、第３図は本考案の他の実施例
を示す回路図である。
１……エンコーダ、２，２Ａ……ラインドライ
バ回路、３，３Ａ……信号ケーブル、４，４Ａ…
…データ処理装置、ＤＲ１……ラインドライバ、
ＲＥＣ１……ラインレシーバ。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
This figure is a check processing flowchart of the data processing apparatus in FIG. 1, and FIG. 3 is a circuit diagram showing another embodiment of the present invention. 1... Encoder, 2, 2A... Line driver circuit, 3, 3A... Signal cable, 4, 4A...
...Data processing device, DR 1 ...Line driver,
REC 1 ...Line receiver.
Claims (1)
回路を通してデータ処理装置に収集するデータ収
集装置において、前記エンコーダの出力データに
代えて伝送回路の全ビツト入力を論理“１”又は
論理“０”との切換えを前記データ処理装置が指
令し、この指令に対する前記伝送回路の全ビツト
出力の論理“１”又は論理“０”の判定から該伝
送回路の正常、異常を判定する構成を特徴とする
エンコーダによるデータ収集装置。 In a data acquisition device that collects the digital output of an encoder to a data processing device through a parallel data transmission circuit, all bit inputs of the transmission circuit are switched to logic “1” or logic “0” instead of the output data of the encoder. A data acquisition device using an encoder, characterized in that a data processing device issues a command and determines whether the transmission circuit is normal or abnormal based on whether all bit outputs of the transmission circuit are logically “1” or logically “0” in response to the command. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986191418U JPS6397938U (en) | 1986-12-12 | 1986-12-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986191418U JPS6397938U (en) | 1986-12-12 | 1986-12-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6397938U true JPS6397938U (en) | 1988-06-24 |
Family
ID=31145546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986191418U Pending JPS6397938U (en) | 1986-12-12 | 1986-12-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6397938U (en) |
-
1986
- 1986-12-12 JP JP1986191418U patent/JPS6397938U/ja active Pending
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