JPS6446805U - - Google Patents
Info
- Publication number
- JPS6446805U JPS6446805U JP14154087U JP14154087U JPS6446805U JP S6446805 U JPS6446805 U JP S6446805U JP 14154087 U JP14154087 U JP 14154087U JP 14154087 U JP14154087 U JP 14154087U JP S6446805 U JPS6446805 U JP S6446805U
- Authority
- JP
- Japan
- Prior art keywords
- input
- terminals
- input voltage
- common terminals
- common
- 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
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 244000145845 chattering Species 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- Programmable Controllers (AREA)
Description
第１図は本考案の１実施例の回路図、第２図は
本考案の他の実施例の回路図である。
１，２……入力端子、３……２４Ｖコモン端子
、３′……１２Ｖコモン端子、４，５，６，７…
…入力電流制限抵抗、８，９……感度調整抵抗、
１０……フオトカプラ、１１，１２……電流制限
抵抗、１３，１４……電流制限抵抗、１５，１６
……チヤタリング吸収用コンデンサ、１７，１８
，１９……コモン線、２０……回り回路防止用ダ
イオード、２１……ツエナーダイオード、２２…
…端子（３′と外部接続）。
FIG. 1 is a circuit diagram of one embodiment of the present invention, and FIG. 2 is a circuit diagram of another embodiment of the present invention. 1, 2...Input terminal, 3...24V common terminal, 3'...12V common terminal, 4,5,6,7...
...Input current limiting resistor, 8, 9...Sensitivity adjustment resistor,
10... Photocoupler, 11, 12... Current limiting resistor, 13, 14... Current limiting resistor, 15, 16
...Chattering absorption capacitor, 17, 18
, 19... Common line, 20... Diode for preventing loop circuit, 21... Zener diode, 22...
...Terminal (3' and external connection).
Claims (1)
力電圧仕様により、コモン端子を使いわけ、２種
類の直流入力電圧のうちのいずれかの入力電圧に
設定できる事を特徴とする、プログラマブルコン
トローラの入力回路。 A programmable controller that has two common terminals for input terminals, and can set the input voltage to one of two types of DC input voltages by using the common terminals differently depending on the input voltage specifications. input circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14154087U JPS6446805U (en) | 1987-09-18 | 1987-09-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14154087U JPS6446805U (en) | 1987-09-18 | 1987-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6446805U true JPS6446805U (en) | 1989-03-23 |
Family
ID=31406693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14154087U Pending JPS6446805U (en) | 1987-09-18 | 1987-09-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6446805U (en) |
-
1987
- 1987-09-18 JP JP14154087U patent/JPS6446805U/ja active Pending