JPS62183205U - - Google Patents
Info
- Publication number
- JPS62183205U JPS62183205U JP6869986U JP6869986U JPS62183205U JP S62183205 U JPS62183205 U JP S62183205U JP 6869986 U JP6869986 U JP 6869986U JP 6869986 U JP6869986 U JP 6869986U JP S62183205 U JPS62183205 U JP S62183205U
- Authority
- JP
- Japan
- Prior art keywords
- output
- input
- miniature relay
- internal circuit
- programmable controller
- 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 4
Landscapes
- Programmable Controllers (AREA)
- Electronic Switches (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は入力用に切換つた状態を示す回路図、第３図
は出力用に切換つた状態を示す回路図、第４図は
切換スイツチの動作状態を示す図である。
１……入出力端子、２……ＬＥＤ、３……ミニ
チユアリレー、４……リレードライブ回路、５…
…リレードライブ用トランジスタ、６……内部回
路、７，８，９，１０……切換スイツチ、１１…
…ＤＣ入力電源、１２……外部接点、１３……Ｉ
／Ｏユニツト。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
FIG. 3 is a circuit diagram showing a state in which the switch is switched for input, FIG. 3 is a circuit diagram showing a state in which it is switched for output, and FIG. 4 is a diagram showing the operating state of the changeover switch. 1...Input/output terminal, 2...LED, 3...Miniature relay, 4...Relay drive circuit, 5...
...Relay drive transistor, 6... Internal circuit, 7, 8, 9, 10... Changeover switch, 11...
...DC input power supply, 12...External contact, 13...I
/O unit.
Claims (1)
、上記入出力点を入力として用いるときは上記ミ
ニチユアリレーの一次側を外部端子に接続して外
部入力でドライブすると共に二次側接点出力をプ
ログラマブルコントローラの内部回路に入力し、
上記入出力点を出力として用いるときは上記ミニ
チユアリレーを内部回路の出力でドライブすると
共に二次側接点出力を外部端子に接続する切換ス
イツチを設けたことを特徴とするプログラマブル
コントローラの入出力装置。 One miniature relay is installed for each input/output point, and when the above input/output point is used as an input, the primary side of the miniature relay is connected to an external terminal to be driven by the external input and to output the secondary side contact output. input to the internal circuit of the programmable controller,
An input/output device for a programmable controller, characterized in that, when the input/output point is used as an output, a changeover switch is provided for driving the miniature relay with the output of an internal circuit and connecting the secondary side contact output to an external terminal. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6869986U JPS62183205U (en) | 1986-05-09 | 1986-05-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6869986U JPS62183205U (en) | 1986-05-09 | 1986-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62183205U true JPS62183205U (en) | 1987-11-20 |
Family
ID=30908754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6869986U Pending JPS62183205U (en) | 1986-05-09 | 1986-05-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62183205U (en) |
-
1986
- 1986-05-09 JP JP6869986U patent/JPS62183205U/ja active Pending