JPS62129215U - - Google Patents
Info
- Publication number
- JPS62129215U JPS62129215U JP1408786U JP1408786U JPS62129215U JP S62129215 U JPS62129215 U JP S62129215U JP 1408786 U JP1408786 U JP 1408786U JP 1408786 U JP1408786 U JP 1408786U JP S62129215 U JPS62129215 U JP S62129215U
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- emitting diode
- phototransistor
- input signal
- external load
- 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
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Programmable Controllers (AREA)
Description
第１図は本考案が実施されたインタフエースユ
ニツトの概略回路図、第２図は本考案が実施され
たインタフエースユニツトの一実施例を示す概略
図、第３図は有接点リレーによるインタフエース
回路の概略構成図、第４図は有接点リレーの概略
構成図を示し、同図Ａはその正面図、同図Ｂはそ
の平面図である。
２：入力接点、１０：盤用インタフエースユニ
ツト、１１：第２ホトカプラ、１２，１３，１４
：第１ホトカプラ、１５，１６，１７，１８：第
３ホトカプラ、１１ＬＤ：第２発光ダイオード、
１１ＰＴｒ：第２ホトトランジスタ、１２ＬＤ，
１３ＬＤ，１４ＬＤ：第１発光ダイオード、１２
ＰＴｒ，１３ＰＰＴｒ，１４ＰＴｒ：第１ホトト
ランジスタ、１５ＬＤ，１６ＬＤ，１７ＬＤ，１
８ＬＤ：第３発光ダイオード、１５ＰＴｒ，１６
ＰＴｒ，１７ＰＴｒ，１８ＰＴｒ：第３ホトトラ
ンジスタ、１９：プラグイン形ユニツトケース、
２０：プリント板、、２１：ソケツトピン。
Figure 1 is a schematic circuit diagram of an interface unit in which the present invention is implemented, Figure 2 is a schematic diagram showing an embodiment of an interface unit in which the present invention is implemented, and Figure 3 is an interface using a contact relay. FIG. 4 is a schematic diagram of the circuit configuration of a contact relay; FIG. 4A is a front view thereof, and FIG. 4B is a plan view thereof. 2: Input contact, 10: Panel interface unit, 11: Second photocoupler, 12, 13, 14
: 1st photocoupler, 15, 16, 17, 18: 3rd photocoupler, 11LD: 2nd light emitting diode,
11PTr: second phototransistor, 12LD,
13LD, 14LD: first light emitting diode, 12
PTr, 13PPTr, 14PTr: first phototransistor, 15LD, 16LD, 17LD, 1
8LD: 3rd light emitting diode, 15PTr, 16
PTr, 17PTr, 18PTr: third phototransistor, 19: plug-in type unit case,
20: Printed board, 21: Socket pin.
Claims (1)
信回路と外部負荷への出力信号を発信する発信回
路との間の信号の授与を行う盤用インタフエース
ユニツトにおいて、第１発光ダイオードと前記発
光ダイオードに対応する第１ホトトランジスタと
からなる複数個の第１ホトカプが配置され、前記
発光ダイオードが前記入力信号に接続され前記ホ
トトランジスタが前記外部負荷に接続されてなる
常時開回路と、第２ホトカプラの第２発光ダイオ
ードが前記入力信号に接続され、前記第２発光ダ
イオードに対応する第２ホトトランジスタが第３
ホトカプラの第３発光ダイオードと並列に電源に
接続され、前記第３発光ダイオードに対応する第
３ホトトランジスタが前記外部負荷に接続されて
なる常時閉回路とを備えたことを特徴とする盤用
インタフエースユニツト。 In a panel interface unit that provides signals between a receiving circuit that receives an input signal in a control panel or a distribution board and a transmitting circuit that transmits an output signal to an external load, a first light emitting diode and the light emitting diode are connected to each other. a normally open circuit comprising a plurality of first photocouples arranged with corresponding first phototransistors, the light emitting diodes connected to the input signal and the phototransistors connected to the external load; A second light emitting diode is connected to the input signal, and a second phototransistor corresponding to the second light emitting diode is connected to a third phototransistor.
A panel interface comprising: a normally closed circuit connected to a power source in parallel with a third light emitting diode of a photocoupler, and a third phototransistor corresponding to the third light emitting diode connected to the external load. Ace unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1408786U JPS62129215U (en) | 1986-02-04 | 1986-02-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1408786U JPS62129215U (en) | 1986-02-04 | 1986-02-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62129215U true JPS62129215U (en) | 1987-08-15 |
Family
ID=30803750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1408786U Pending JPS62129215U (en) | 1986-02-04 | 1986-02-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62129215U (en) |
-
1986
- 1986-02-04 JP JP1408786U patent/JPS62129215U/ja active Pending
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