DOUBLE-WIRE FIELD DEVICE FOR INDUSTRIAL PROCESS PROVIDING MAXIMISATION OF POWER AVAILABLE FOR DEVICE CIRCUITRY WITH MINIMUM CONTROL LOOP CURRENT
- 专利权人:
- 发明人:
- 申请号：
- RU20120153237
- 公开号：
- RU2530352(C2)
- 申请日:
- 2011.05.09
- 申请国别(地区):
- 俄罗斯
- 年份:
- 2014
- 代理人:
- 摘要：
FIELD: physics, control.SUBSTANCE: group of inventions relates to process field devices. Disclosed is a process field device for use in monitoring or controlling an industrial process, which includes first and second loop terminals configured to connect with a double-wire control loop of the industrial process. The field device circuitry is designed to monitor or control a parameter of the industrial process. The field device circuitry is powered from the double-wire control loop of the industrial process. A current regulator is connected in series to the double-wire control loop of the industrial process, the first and second loop terminals and the field device circuitry. A voltage regulator is connected in parallel to the current regulator and in series to the double-wire control loop of the industrial process, the first and second loop terminals and the field device circuitry.EFFECT: higher power available for process field device circuitry.18 cl, 7 dwg
- 来源网站：
- 中国工程科技知识中心
