JPS6034632U - Inspection circuit for display input device - Google Patents
Inspection circuit for display input deviceInfo
- Publication number
- JPS6034632U JPS6034632U JP12462683U JP12462683U JPS6034632U JP S6034632 U JPS6034632 U JP S6034632U JP 12462683 U JP12462683 U JP 12462683U JP 12462683 U JP12462683 U JP 12462683U JP S6034632 U JPS6034632 U JP S6034632U
- Authority
- JP
- Japan
- Prior art keywords
- display input
- normally closed
- contact
- input device
- 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
Landscapes
- Input From Keyboards Or The Like (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図及び第２図は１．夫々従来の表示入力装置の点検
回路を示す構成図、第３図は本考案を示す構成図である
。
ＰＣ工〜ＰＣｎはフォトカプラ、ＳＷ１〜ＳＷ。
は表示入力接点、Ｄ工〜Ｄｎは逆電圧防止用ダイオード
、Ｒｙ工？Ｒｙ２はリレー、２は入力回路、４は計算機
、５は出力回路。Figures 1 and 2 are 1. FIG. 3 is a block diagram showing the inspection circuit of a conventional display input device, and FIG. 3 is a block diagram showing the present invention. PC engineering ~ PCn are photocouplers, SW1 ~ SW. is the display input contact, D~Dn is the reverse voltage prevention diode, Ry is the input contact. Ry2 is a relay, 2 is an input circuit, 4 is a calculator, and 5 is an output circuit.
Claims (1)
プラと表示入力接点とを直列接続し、この直列回路を複
数電源の正負極間に接続すると共に、前記各フォトカプ
ラの出力側を入力回路を介して計算機に接続するように
したものに於て、前記電極の負極と各表示入力接点間に
常閉接点を設け、前記各逆電圧防止用ダイオードのカソ
ードを常閉接点を介して電源の正極側に接続し且つ各逆
電圧防止用ダイオードのカソードを夫々常開接点を介し
て電源の負極側に接続し、この常閉接点用のリレーと前
記各常閉接点用のリレーとを出力回路を介して計算機に
接続したことを特徴とする表示入力装置の点検回路。A photocoupler, each having a reverse voltage prevention diode connected in antiparallel, and a display input contact are connected in series, and this series circuit is connected between the positive and negative electrodes of multiple power supplies, and the output side of each photocoupler is connected via an input circuit. In such a device, a normally closed contact is provided between the negative terminal of the electrode and each display input contact, and the cathode of each reverse voltage prevention diode is connected to the positive terminal of the power supply through the normally closed contact. and the cathode of each reverse voltage prevention diode is connected to the negative pole side of the power supply via a normally open contact, and the relay for this normally closed contact and the relay for each of the above-mentioned normally closed contacts are connected via an output circuit. An inspection circuit for a display input device, characterized in that the display input device is connected to a computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12462683U JPS6034632U (en) | 1983-08-11 | 1983-08-11 | Inspection circuit for display input device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12462683U JPS6034632U (en) | 1983-08-11 | 1983-08-11 | Inspection circuit for display input device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6034632U true JPS6034632U (en) | 1985-03-09 |
Family
ID=30284025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12462683U Pending JPS6034632U (en) | 1983-08-11 | 1983-08-11 | Inspection circuit for display input device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6034632U (en) |
-
1983
- 1983-08-11 JP JP12462683U patent/JPS6034632U/en active Pending
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