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Field-mounted control unit

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G05B-019/00
출원번호 US-0420434 (1995-04-10)
발명자 / 주소
  • Warrior Jogesh (Chanhassen MN) Jacobson Vincent C. (Minnetonka MN) Orth Kelly M. (Apple Valley MN) Tielens Craig R. (Minneapolis MN)
출원인 / 주소
  • Rosemount Inc. (Eden Prairie MN 02)
인용정보 피인용 횟수 : 48  인용 특허 : 0

초록

A smart field-mounted control unit, for controlling a process, receives signals and sends a command output over a two-wire circuit which powers the control unit. An input section receives the signals, which can be instructions representative of commands or instruction sets, process variables sensed

대표청구항

A smart field-mounted control unit for coupling to a DC current two-wire process control loop, comprising: a housing; communications circuitry in the housing coupled to the two-wire process control loop to receive power over the two-wire process control loop, the communications circuitry comprising:

이 특허를 인용한 특허 (48)

  1. Lec, Ryszard M.; Kresh, J. Yasha; Wootton, David M., Acoustic blood analyzer for assessing blood properties.
  2. David A. Glanzer ; Terrance L. Blevins ; Ram Ramachandran ; Kenneth D. Krivoshein ; Patricia E. Brett ; Jack Elias ; William R. Hodson ; Frank Lynch ; Ashok K. Gupta ; Lee A. Neitzel ; Thom, Block oriented control system.
  3. Crist, Timothy J., Data communication in a multi-wire irrigation control system.
  4. Crist, Timothy J., Data communication in a multi-wire irrigation control system.
  5. Crist, Timothy J., Data communication in a multi-wire irrigation control system.
  6. Yang Jing (Aichi-ken JPX), Data communication system capable of bypassing malfunctioning relay units.
  7. Da Silva Neto, Eugenio Ferreira, Field bus distribution unit.
  8. Da Silva Neto,Eugenio Ferreira, Field bus distribution unit.
  9. Tetzlaff David E. ; Warrior Jogesh ; Maalouf Gabriel A., Field instrument with data bus communications protocol.
  10. Warrior Jogesh ; Jacobson Vincent C. ; Orth Kelly M. ; Tielens Craig R. ; Lanctot Jane Barbara, Field-mounted control unit.
  11. Glanzer,David A.; Mitschke,Stephen B.; Hawkins,William B.; von Le Suire,Michael; Tateishi,Sergio Hideki, Flexible function blocks.
  12. Tucker, Jeffrey C.; Andersen, Brian L.; Mittelstadt, Robert, Fluid flow control system, fluid delivery and control system for a fluid delivery line, and method for controlling pressure oscillations within fluid of a fluid delivery line.
  13. Horn, Wolfgang; Birzer, Johannes; Heber, Tino; Kram, Raimund; Kiesel, Martin, Industrial controller based on distributable technology objects.
  14. Horn, Wolfgang; Birzer, Johannes; Heber, Tino; Kram, Raimund; Kiesel, Martin, Industrial controller based on distributable technology objects.
  15. Horn,Wolfgang; Ackermann,Thomas; Birzer,Johannes, Industrial controller based on distributable technology objects.
  16. Horn, Wolfgang; Birzer, Johannes; Heber, Tino; Kram, Raimund; Kiesel, Martin, Industrial controller based on distributed technology objects.
  17. Sudhakar Dharnipragada, Industrial process device management software.
  18. Lorenz, Michael A., Integrated actuator coil and decoder module for irrigation control.
  19. Lorenz, Michael A., Integrated actuator coil and decoder module for irrigation control.
  20. Sharpe ; Jr. Richard R. ; Tielens Craig R. ; Westbrock Jon D., Integrated communication network for use in a field device management system.
  21. Crist, Timothy J.; Prucinsky, Matthew S., Integrated control circuitry and coil assembly for irrigation control.
  22. Crist, Timothy J.; Prucinsky, Matthew S., Integrated control circuitry and coil assembly for irrigation control.
  23. Crist, Timothy J.; Prucinsky, Matthew S.; Lorenz, Michael A., Integrated control circuitry and coil assembly for irrigation control.
  24. Crist, Timothy J.; Prucinsky, Matthew S.; Lorenz, Michael A., Integrated control circuitry and coil assembly for irrigation control.
  25. Crist, Timothy J.; Prucinsky, Matthew S.; Lorenz, Michael A., Integrated control circuitry and coil assembly for irrigation control.
  26. Glanzer,David A.; Neitzel,Lee A.; Goff,Donald B., Integrated fieldbus data server architecture.
  27. Sharpe ; Jr. Richard R. ; Bruck Robert ; Wagenknecht Richard ; Westbrock Jon D. ; Tielens Craig R. ; Kieley James W., Interface controls for use in a field device management system.
  28. Beaudoin Kevin P. ; Voegele Kevin D., Intrinsically safe cable drive circuit.
  29. Lorenz, Michael A., Irrigation control device for decoder-based irrigation system.
  30. Crist, Timothy J., Latching solenoid energy reserve.
  31. Lestina, Thomas; Bradley, Melissa; Downs, Ryan; Runnerstrom, Eric, Method and apparatus for detecting and isolating a rupture in fluid distribution system.
  32. Wellan Jeffrey W. ; Sharpe ; Jr. Richard R. ; Westbrock Jon D., Method and apparatus using a device description for a conventional device.
  33. Lafler, Lawrence R.; Tanner, Douglas J., Pneumatic volume booster for valve positioner.
  34. Lawrence R. Lafler ; Douglas J. Tanner, Pneumatic volume booster for valve positioner.
  35. Nixon Mark ; Havekost Robert B. ; Jundt Larry O. ; Stevenson Dennis ; Ott Michael G. ; Webb Arthur,GBX ; Lucas Mike,GBX ; Hoffmaster James, Process control system for versatile control of multiple process devices of various device types.
  36. Nixon Mark ; Havekost Robert B. ; Jundt Larry O. ; Stevenson Dennis ; Ott Michael G. ; Webb Arthur,GBX ; Lucas Mike,GBX, Process control system using standard protocol control-of standard devices and non-standard devices.
  37. Zou Hehong ; Brigham Scott E., Process control system with asymptotic auto-tuning.
  38. Zou Hehong ; Hays Coy L., Process controller having non-integrating control function and adaptive bias.
  39. Boudreau Paul ; Jarva Curt, Sensor assembly.
  40. Balentine, James R.; Dicaire, Andre A.; Scott, Cindy A.; Lattimer, Donald Robert; Schibler, Kenneth; Shepard, John R.; Jundt, Larry O., Software lockout coordination between a process control system and an asset management system.
  41. Boercsoek, Habil. Josef; Hoelzel, Juergen; Wacker, Hans-Dieter, System and method for implementing an extended safety instrumented system.
  42. Glanzer,David A.; Duffy,Joseph D.; Mitschke,Stephen B.; Gabler,John Carl; Berge,L Jonas F.; Ramachandran,Ram, System and method for implementing safety instrumented systems in a fieldbus architecture.
  43. Glanzer,David A.; Duffy,Joseph D.; Mitschke,Stephen B.; Ramachandran,Ram; Gabler,John Carl; Berge,L. Jonas F., System and method for implementing safety instrumented systems in a fieldbus architecture.
  44. Duffy,Joseph D.; Ramachandran,Ram; Gabler,John Carl, System and method for implementing time synchronization monitoring and detection in a safety instrumented system.
  45. Wucherer, Klaus; Amrhein, Armin; Hess, Karl; Heber, Tino; Kirste, Steffen, Universal motion control.
  46. Wucherer, Klaus; Birzer, Johannes; Hess, Karl; Heber, Tino; Kirste, Steffen, Universal motion control.
  47. Jundt, Larry O.; Nixon, Mark J.; Westbrock, Jon D., User interface that integrates a process control configuration system and a field device management system.
  48. Crist, Timothy J.; Dietz, Kenneth J., Variable initialization time in the charging of energy reserves in an irrigation control system.
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