Title:
電空コントローラとともに用いるシャットダウン装置および方法
Document Type and Number:
Japanese Patent JP2007512622
Kind Code:
A
Abstract:
A shut down unit for use with an electro-pneumatic controller includes an electronic switch configured to receive to a first signal from a control unit of the electro-pneumatic controller and to convey the first signal to an electro-pneumatic transducer of the electro-pneumatic controller. The electronic switch is further configured to receive a second signal associated with a control signal input and to cause the electronic switch to prevent the conveyance of the first signal to the electro-pneumatic transducer.
Inventors:
Seberger, Stephen, Gee.
Application Number:
JP2006541172A
Publication Date:
May 17, 2007
Filing Date:
October 20, 2004
Export Citation:
Assignee:
Fisher Controls International Limited Liability Company
International Classes:
G05B9/02
Domestic Patent References:
| JPH04205202A | 1992-07-27 | |||
| JP2001521213A | 2001-11-06 | |||
| JP2003097315A | 2003-04-03 | |||
| JPH01236311A | 1989-09-21 | |||
| JPH0573147A | 1993-03-26 | |||
| JP2000210891A | 2000-08-02 | |||
| JPH10166193A | 1998-06-23 |
Attorney, Agent or Firm:
Atsushi Nakajima
Kato Kazunori
Katsuichi Nishimoto
Kato Kazunori
Katsuichi Nishimoto