JPH0255306U - - Google Patents
Info
- Publication number
- JPH0255306U JPH0255306U JP13328588U JP13328588U JPH0255306U JP H0255306 U JPH0255306 U JP H0255306U JP 13328588 U JP13328588 U JP 13328588U JP 13328588 U JP13328588 U JP 13328588U JP H0255306 U JPH0255306 U JP H0255306U
- Authority
- JP
- Japan
- Prior art keywords
- input
- programmable controller
- photocoupler
- input circuit
- variable resistor
- 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
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Programmable Controllers (AREA)
- Networks Using Active Elements (AREA)
Description
第１図は本考案実施例のプログラマブルコント
ローラの入力回路を示す図、第２図は従来の入力
回路を示す図である。
１…交流入力端子、２…コンデンサ、３，４，
５…抵抗器、６…ホトカプラ、７…可変抵抗器。
FIG. 1 is a diagram showing an input circuit of a programmable controller according to an embodiment of the present invention, and FIG. 2 is a diagram showing a conventional input circuit. 1... AC input terminal, 2... Capacitor, 3, 4,
5...Resistor, 6...Photocoupler, 7...Variable resistor.
Claims (1)
グラマブルコントローラに送出する入力回路にお
いて、 前記ホトカプラに流入する電流を制限する可変
抵抗器を具えたことを特徴とするプログラマブル
コントローラの入力回路。[Claims for Utility Model Registration] A programmable controller characterized in that an input circuit that sends input from an input device to a programmable controller via a photocoupler includes a variable resistor that limits the current flowing into the photocoupler. input circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13328588U JPH0255306U (en) | 1988-10-12 | 1988-10-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13328588U JPH0255306U (en) | 1988-10-12 | 1988-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0255306U true JPH0255306U (en) | 1990-04-20 |
Family
ID=31391007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13328588U Pending JPH0255306U (en) | 1988-10-12 | 1988-10-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0255306U (en) |
-
1988
- 1988-10-12 JP JP13328588U patent/JPH0255306U/ja active Pending
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