JPH01164502U - - Google Patents
Info
- Publication number
- JPH01164502U JPH01164502U JP5752988U JP5752988U JPH01164502U JP H01164502 U JPH01164502 U JP H01164502U JP 5752988 U JP5752988 U JP 5752988U JP 5752988 U JP5752988 U JP 5752988U JP H01164502 U JPH01164502 U JP H01164502U
- Authority
- JP
- Japan
- Prior art keywords
- photocoupler
- output
- oscillation
- counter
- computer
- 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
- 230000010355 oscillation Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
Landscapes
- Control By Computers (AREA)
- Programmable Controllers (AREA)
Description
第１図は本考案の実施例を示す系統図、第２図
は従来のインターフエイス回路を示す図、第３図
はシリアル伝送タイミングチヤート、第４図はリ
レーパネルの外観図、第５図はパラレル・シリア
ル変換モジユールを示す外観図である。
１…信号送出リレー群、２…パラレル・シリア
ル変換モジユール、３，４…フオトカプラ、５…
発振回路、６…カウンタ、７…デコーダ、８…コ
ンピユータ、９…信号入力端子、１０…トリガ出
力端子。
Fig. 1 is a system diagram showing an embodiment of the present invention, Fig. 2 is a diagram showing a conventional interface circuit, Fig. 3 is a serial transmission timing chart, Fig. 4 is an external view of a relay panel, and Fig. 5 is a diagram showing a conventional interface circuit. FIG. 3 is an external view showing a parallel-to-serial conversion module. 1...Signal sending relay group, 2...Parallel/serial conversion module, 3, 4...Photocoupler, 5...
Oscillation circuit, 6... Counter, 7... Decoder, 8... Computer, 9... Signal input terminal, 10... Trigger output terminal.
Claims (1)
ピユータからのトリガ信号を受け付けるフオトカ
プラと、該フオトカプラの受け取る信号によつて
発振を開始する発振回路と、該発振回路の出力を
カウントするカウンタと、該カウンタの出力をデ
コードするデコーダとを有し、デコーダの出力が
発振周波数に同期してスキヤンすることにより、
リレー接点出力の状態を順次シリアルにフオトカ
プラを通してコンピユータへ出力するようにした
ことを特徴とするパラレル・シリアル変換モジユ
ール。 A photocoupler installed close to a relay in a control circuit and receiving a trigger signal from a computer, an oscillation circuit that starts oscillation in response to a signal received by the photocoupler, a counter that counts the output of the oscillation circuit, and the counter. The output of the decoder is scanned in synchronization with the oscillation frequency.
A parallel-to-serial conversion module characterized in that the status of relay contact outputs is serially output to a computer through a photocoupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5752988U JPH01164502U (en) | 1988-04-29 | 1988-04-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5752988U JPH01164502U (en) | 1988-04-29 | 1988-04-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01164502U true JPH01164502U (en) | 1989-11-16 |
Family
ID=31283380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5752988U Pending JPH01164502U (en) | 1988-04-29 | 1988-04-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01164502U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04133556U (en) * | 1991-03-19 | 1992-12-11 | 三洋機工株式会社 | Remote I/O general-purpose operation panel |
| JP2002161886A (en) * | 2000-11-27 | 2002-06-07 | Tsurumi Mfg Co Ltd | Erroneous action prevention device in rotation speed control of submerged electric pump |
-
1988
- 1988-04-29 JP JP5752988U patent/JPH01164502U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04133556U (en) * | 1991-03-19 | 1992-12-11 | 三洋機工株式会社 | Remote I/O general-purpose operation panel |
| JP2002161886A (en) * | 2000-11-27 | 2002-06-07 | Tsurumi Mfg Co Ltd | Erroneous action prevention device in rotation speed control of submerged electric pump |
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