JPH0337526U - - Google Patents
Info
- Publication number
- JPH0337526U JPH0337526U JP9739289U JP9739289U JPH0337526U JP H0337526 U JPH0337526 U JP H0337526U JP 9739289 U JP9739289 U JP 9739289U JP 9739289 U JP9739289 U JP 9739289U JP H0337526 U JPH0337526 U JP H0337526U
- Authority
- JP
- Japan
- Prior art keywords
- interface
- computer
- contacts
- utility
- small number
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Input From Keyboards Or The Like (AREA)
Description
第１図は本考案の回路図、第２図は外部接点入
力用フローチヤート。
ＤＳＲはＲＳ−２３２Ｃインターフエイスのデ
ータセツト・レデイ信号線、ＲＴＳはＲＳ−２３
２インターフエイスの送信要求信号線、ＤＴＲは
ＲＳ−２３２Ｃインターフエイスのデータ端末レ
デイ信号線、ＳＷ１，ＳＷ２は外部接点、Ｄ１，
Ｄ２，Ｄ３，Ｄ４は保護用ダイオード。
Figure 1 is a circuit diagram of the present invention, and Figure 2 is a flowchart for external contact input. DSR is the data set ready signal line of the RS-232C interface, RTS is the RS-23
2 interface transmission request signal line, DTR is the data terminal ready signal line of the RS-232C interface, SW1 and SW2 are external contacts, D1,
D2, D3, and D4 are protection diodes.
Claims (1)
りをするためにコンピユータ側に設けられたＲＳ
−２３２Ｃインターフエイスを使つて１接点、あ
るいは２接点の少数の接点入力を行なうＲＳ−２
３２Ｃインターフエイスによる接点入力。 An RS installed on the computer side to exchange data between the computer and external peripheral devices.
-RS-2 that uses a 232C interface to input a small number of 1 or 2 contacts.
Contact input via 32C interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9739289U JPH0337526U (en) | 1989-08-21 | 1989-08-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9739289U JPH0337526U (en) | 1989-08-21 | 1989-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0337526U true JPH0337526U (en) | 1991-04-11 |
Family
ID=31646535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9739289U Pending JPH0337526U (en) | 1989-08-21 | 1989-08-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0337526U (en) |
-
1989
- 1989-08-21 JP JP9739289U patent/JPH0337526U/ja active Pending
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