JPH0280808U - - Google Patents
Info
- Publication number
- JPH0280808U JPH0280808U JP15925388U JP15925388U JPH0280808U JP H0280808 U JPH0280808 U JP H0280808U JP 15925388 U JP15925388 U JP 15925388U JP 15925388 U JP15925388 U JP 15925388U JP H0280808 U JPH0280808 U JP H0280808U
- Authority
- JP
- Japan
- Prior art keywords
- fiber optic
- optic cable
- sensor input
- light sensor
- light
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims 2
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
Landscapes
- Programmable Controllers (AREA)
Description
第１図はこの考案の一実施例を示すブロツク図
、第２図はこの考案の他の実施例を示すブロツク
図、第３図は従来のプログラマブルコントローラ
の入力カードの回路図である。
図において、１は発光素子、２は光電変換回路
、３は光フアイバーケーブル取付けコネクター、
４は光フアイバーケーブル、５は外部検出物、６
は光源、７は入力インターフエイス部、８はアイ
ソレート部、９は内部回路図である。なお、各図
中、同一符号は同一、又は相当部分を示す。
FIG. 1 is a block diagram showing one embodiment of this invention, FIG. 2 is a block diagram showing another embodiment of this invention, and FIG. 3 is a circuit diagram of an input card of a conventional programmable controller. In the figure, 1 is a light emitting element, 2 is a photoelectric conversion circuit, 3 is an optical fiber cable attachment connector,
4 is an optical fiber cable, 5 is an external detection object, 6 is
1 is a light source, 7 is an input interface section, 8 is an isolation section, and 9 is an internal circuit diagram. In each figure, the same reference numerals indicate the same or equivalent parts.
Claims (1)
光源となる発光素子と、光フアイバーケーブル取
付けコネクターを備え、光フアイバーケーブルを
継なぐだけで、光センサー入力が可能なことを特
徴とするプログラマブルコントローラの光センサ
ー入力カード。 a photoelectric conversion circuit that converts optical signals into electrical signals;
A light sensor input card for a programmable controller that is equipped with a light emitting element as a light source and a fiber optic cable attachment connector, and enables light sensor input simply by connecting the fiber optic cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15925388U JPH0280808U (en) | 1988-12-07 | 1988-12-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15925388U JPH0280808U (en) | 1988-12-07 | 1988-12-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0280808U true JPH0280808U (en) | 1990-06-21 |
Family
ID=31440302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15925388U Pending JPH0280808U (en) | 1988-12-07 | 1988-12-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0280808U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011210025A (en) * | 2010-03-30 | 2011-10-20 | Yokogawa Electric Corp | Module control device |
-
1988
- 1988-12-07 JP JP15925388U patent/JPH0280808U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011210025A (en) * | 2010-03-30 | 2011-10-20 | Yokogawa Electric Corp | Module control device |
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