JPS585101U - failsafe device - Google Patents
failsafe deviceInfo
- Publication number
- JPS585101U JPS585101U JP9714681U JP9714681U JPS585101U JP S585101 U JPS585101 U JP S585101U JP 9714681 U JP9714681 U JP 9714681U JP 9714681 U JP9714681 U JP 9714681U JP S585101 U JPS585101 U JP S585101U
- Authority
- JP
- Japan
- Prior art keywords
- constant voltage
- failsafe device
- amplifier
- fail
- power supply
- 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.)
- Granted
Links
Landscapes
- Safety Devices In Control Systems (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のフェイルセーフ装置のブロック図、第２
図は本考案の一実施例に係るフェイルセーフ装置の回路
構成図である。
２・・・・・・工業用計器、４・・・・・・演算増幅器
、２２゜２４・・・・・・正負電源ライン、２８・・・
・・・定電圧ダイオード、３４・・・・・・外部電源。Figure 1 is a block diagram of a conventional fail-safe device, Figure 2 is a block diagram of a conventional fail-safe device.
The figure is a circuit configuration diagram of a fail-safe device according to an embodiment of the present invention. 2...Industrial instrument, 4...Operation amplifier, 22゜24...Positive/negative power supply line, 28...
... Constant voltage diode, 34... External power supply.
Claims (1)
する演算増幅器と、前記定電圧素子の出力端を零電圧以
上の外部電源に接続する抵抗素子と、前記定電圧素子の
出力端を前記演算増幅器の帰還入力に接続する回路とを
具えることを特徴とするフェイルセーフ装置。an operational amplifier that outputs an operation signal to the operated device via a constant voltage element; a resistance element that connects the output end of the constant voltage element to an external power supply of zero voltage or higher; A fail-safe device comprising: a circuit connected to a feedback input of an amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9714681U JPS585101U (en) | 1981-07-02 | 1981-07-02 | failsafe device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9714681U JPS585101U (en) | 1981-07-02 | 1981-07-02 | failsafe device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS585101U true JPS585101U (en) | 1983-01-13 |
| JPH0325201Y2 JPH0325201Y2 (en) | 1991-05-31 |
Family
ID=29891965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9714681U Granted JPS585101U (en) | 1981-07-02 | 1981-07-02 | failsafe device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS585101U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60142076A (en) * | 1983-12-28 | 1985-07-27 | Ebara Corp | Operating method of pump |
-
1981
- 1981-07-02 JP JP9714681U patent/JPS585101U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60142076A (en) * | 1983-12-28 | 1985-07-27 | Ebara Corp | Operating method of pump |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0325201Y2 (en) | 1991-05-31 |
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