JPS63183602U - - Google Patents
Info
- Publication number
- JPS63183602U JPS63183602U JP7171287U JP7171287U JPS63183602U JP S63183602 U JPS63183602 U JP S63183602U JP 7171287 U JP7171287 U JP 7171287U JP 7171287 U JP7171287 U JP 7171287U JP S63183602 U JPS63183602 U JP S63183602U
- Authority
- JP
- Japan
- Prior art keywords
- inputting
- drive means
- signal
- switch
- utility
- 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 2
Landscapes
- Programmable Controllers (AREA)
Description
第１図はこの考案の一実施例を示す回路図、第
２図は従来の模擬入力スイツチ・ユニツトを接続
した入力回路の一例を示す回路図である。
１，１１……模擬入力スイツチ・ユニツト、１
ａ，１１ａ……模擬入力用スイツチ、２……入力
端子、３……電流制限抵抗、４，７……保護抵抗
、５……ホトカプラ、５ａ……発光ダイオード、
５ｂ……ホトトランジスタ、６……発光ダイオー
ド、８……入力フイルタ、９……外部入力電源。
FIG. 1 is a circuit diagram showing an embodiment of this invention, and FIG. 2 is a circuit diagram showing an example of an input circuit to which a conventional simulated input switch unit is connected. 1, 11...Mock input switch unit, 1
a, 11a... Simulated input switch, 2... Input terminal, 3... Current limiting resistor, 4, 7... Protection resistor, 5... Photocoupler, 5a... Light emitting diode,
5b...Phototransistor, 6...Light emitting diode, 8...Input filter, 9...External input power supply.
Claims (1)
を取り込む駆動手段入力回路において、前記駆動
手段の出力側と並列に模擬信号入力用のスイツチ
を接続したことを特徴とする入力回路。 1. A drive means input circuit for inputting an on/off signal from an external input device into a control device, characterized in that a switch for inputting a simulated signal is connected in parallel with the output side of the drive means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7171287U JPS63183602U (en) | 1987-05-15 | 1987-05-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7171287U JPS63183602U (en) | 1987-05-15 | 1987-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63183602U true JPS63183602U (en) | 1988-11-25 |
Family
ID=30914515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7171287U Pending JPS63183602U (en) | 1987-05-15 | 1987-05-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63183602U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54122946A (en) * | 1978-03-17 | 1979-09-22 | Hitachi Ltd | Self diagnosis unit |
| JPS6151508B2 (en) * | 1979-08-28 | 1986-11-08 | Mitsubishi Electric Corp |
-
1987
- 1987-05-15 JP JP7171287U patent/JPS63183602U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54122946A (en) * | 1978-03-17 | 1979-09-22 | Hitachi Ltd | Self diagnosis unit |
| JPS6151508B2 (en) * | 1979-08-28 | 1986-11-08 | Mitsubishi Electric Corp |