JPH01127005U - - Google Patents
Info
- Publication number
- JPH01127005U JPH01127005U JP2089688U JP2089688U JPH01127005U JP H01127005 U JPH01127005 U JP H01127005U JP 2089688 U JP2089688 U JP 2089688U JP 2089688 U JP2089688 U JP 2089688U JP H01127005 U JPH01127005 U JP H01127005U
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- power
- power supply
- input
- internal 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
- 238000009413 insulation Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Programmable Controllers (AREA)
- Electronic Switches (AREA)
Description
第１図は本考案が適用された入力用ユニツトを
示す回路図、第２図は本考案が適用された出力用
ユニツトを示す回路図、第３図は入力もしくは出
力用ユニツトの外観斜視図、第４図は従来の入力
用ユニツトを示す回路図、第５図は従来の出力用
ユニツトを示す回路図である。
Ｐ，Ｎ……電源入力端子、Ｔ……出力機器電源
用端子、１５，１８……ジヤンパ路、１６，１９
……絶縁型ＤＣ―ＤＣコンバータ。
Fig. 1 is a circuit diagram showing an input unit to which the present invention is applied, Fig. 2 is a circuit diagram showing an output unit to which the present invention is applied, and Fig. 3 is an external perspective view of the input or output unit. FIG. 4 is a circuit diagram showing a conventional input unit, and FIG. 5 is a circuit diagram showing a conventional output unit. P, N... Power input terminal, T... Output device power supply terminal, 15, 18... Jumper path, 16, 19
...Isolated DC-DC converter.
Claims (1)
トカプラ等の絶縁分離器を介して内部回路に取込
むようにしたインタフエース装置において、 外部直流電源線を接続するための電源入力端子
と、 入力機器の電源線を接続するための入力機器電
源用端子と、 前記電源入力端子と前記入力機器電源用端子と
を内部で結ぶジヤンパ路と、 前記電源入力端子と前記内部回路の電源端子と
の間に介挿された絶縁型ＤＣ―ＤＣコンバータと
、 を設けたこと、を特徴とするインタフエース装
置。 ２ 内部回路からの信号をフオトカプラ等の絶縁
分離器を介して出力機器接続端子へ送出するよう
にしたインタフエース装置において、 外部直流電源線を接続するための電源入力端子
と、 出力機器の電源線を接続するための出力機器電
源用端子と、 前記電源入力端子と前記出力機器電源用端子と
を内部で結ぶジヤンパ路と、 前記電源入力端子と前記内部回路の電源端子と
の間に介挿された絶縁型ＤＣ―ＤＣコンバータと
、 を設けたこと、を特徴とするインタフエース装
置。[Scope of Claim for Utility Model Registration] 1. In an interface device that inputs a signal input from an input device connection terminal to an internal circuit via an insulation separator such as a photocoupler, for connecting an external DC power supply line. a power input terminal; an input device power supply terminal for connecting a power line of the input device; a jumper path that internally connects the power input terminal and the input device power supply terminal; and the power supply input terminal and the internal circuit. 1. An interface device comprising: an isolated DC-DC converter inserted between a power supply terminal and a power terminal; 2. In an interface device that sends a signal from an internal circuit to an output device connection terminal via an insulation separator such as a photocoupler, there is a power input terminal for connecting an external DC power line and a power line for the output device. a jumper path that internally connects the power input terminal and the output device power supply terminal, and a jumper path inserted between the power input terminal and the power supply terminal of the internal circuit; An interface device comprising: an isolated DC-DC converter;
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2089688U JPH01127005U (en) | 1988-02-19 | 1988-02-19 | |
| US07/311,954 US5001358A (en) | 1988-02-19 | 1989-02-17 | Interface device |
| EP19890301618 EP0329486A1 (en) | 1988-02-19 | 1989-02-20 | Interface device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2089688U JPH01127005U (en) | 1988-02-19 | 1988-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01127005U true JPH01127005U (en) | 1989-08-30 |
Family
ID=31237650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2089688U Pending JPH01127005U (en) | 1988-02-19 | 1988-02-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01127005U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6228233B2 (en) * | 1981-08-20 | 1987-06-18 | Tomio Takahashi |
-
1988
- 1988-02-19 JP JP2089688U patent/JPH01127005U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6228233B2 (en) * | 1981-08-20 | 1987-06-18 | Tomio Takahashi |
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