CA2066743A1 - Field-mounted control unit - Google Patents
Field-mounted control unitInfo
- Publication number
- CA2066743A1 CA2066743A1 CA2066743A CA2066743A CA2066743A1 CA 2066743 A1 CA2066743 A1 CA 2066743A1 CA 2066743 A CA2066743 A CA 2066743A CA 2066743 A CA2066743 A CA 2066743A CA 2066743 A1 CA2066743 A1 CA 2066743A1
- Authority
- CA
- Canada
- Prior art keywords
- control unit
- command output
- representative
- section
- instructions
- 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
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by the network communication
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B15/00—Systems controlled by a computer
- G05B15/02—Systems controlled by a computer electric
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/31—From computer integrated manufacturing till monitoring
- G05B2219/31119—Fielddevice comprises also controller and pneumatic actuator and sensor
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/31—From computer integrated manufacturing till monitoring
- G05B2219/31154—Actuator sensor bus, asi, intelligent actuator, motor, sensor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
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 by external control units or setpoints representative of a desired process state. The instructions are representative of a control requirement of the process and adjust a controlling section in the control unit to generate the command output in conformance with the control requirement. The command output can be a function of the difference between the process setpoint and a process variable, or a function of a linear combination of a process variable and its calculated time integral and time derivative functions. A sensing section in the control unit can sense and scale a process variable for generating the command output as well. The control unit can include a regulator section, controlled by the command output, which regulates application of a mechanical, hydraulic, pneumatic or electromagnetic force applied to the process.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US41618089A | 1989-10-02 | 1989-10-02 | |
US416,180 | 1989-10-02 | ||
PCT/US1990/005584 WO1991005293A1 (en) | 1989-10-02 | 1990-10-01 | Field-mounted control unit |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2066743A1 true CA2066743A1 (en) | 1991-04-03 |
CA2066743C CA2066743C (en) | 2000-08-01 |
Family
ID=23648905
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002066743A Expired - Lifetime CA2066743C (en) | 1989-10-02 | 1990-10-01 | Field-mounted control unit |
Country Status (7)
Country | Link |
---|---|
US (4) | US5392162A (en) |
EP (1) | EP0495001B1 (en) |
JP (1) | JP3137643B2 (en) |
AU (1) | AU638507B2 (en) |
CA (1) | CA2066743C (en) |
DE (2) | DE69032954T2 (en) |
WO (1) | WO1991005293A1 (en) |
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-
1990
- 1990-10-01 AU AU66497/90A patent/AU638507B2/en not_active Expired
- 1990-10-01 DE DE69032954T patent/DE69032954T2/en not_active Expired - Lifetime
- 1990-10-01 WO PCT/US1990/005584 patent/WO1991005293A1/en active IP Right Grant
- 1990-10-01 EP EP90916636A patent/EP0495001B1/en not_active Expired - Lifetime
- 1990-10-01 DE DE0495001T patent/DE495001T1/en active Pending
- 1990-10-01 CA CA002066743A patent/CA2066743C/en not_active Expired - Lifetime
- 1990-10-01 JP JP02515518A patent/JP3137643B2/en not_active Expired - Lifetime
-
1991
- 1991-10-31 US US07/785,168 patent/US5392162A/en not_active Expired - Fee Related
-
1993
- 1993-07-01 US US08/086,167 patent/US5333114A/en not_active Expired - Lifetime
-
1995
- 1995-04-10 US US08/420,434 patent/US5485400A/en not_active Expired - Lifetime
- 1995-06-07 US US08/472,994 patent/US5825664A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5485400A (en) | 1996-01-16 |
WO1991005293A1 (en) | 1991-04-18 |
CA2066743C (en) | 2000-08-01 |
EP0495001A1 (en) | 1992-07-22 |
DE495001T1 (en) | 1996-01-18 |
JPH05501492A (en) | 1993-03-18 |
US5392162A (en) | 1995-02-21 |
JP3137643B2 (en) | 2001-02-26 |
AU6649790A (en) | 1991-04-28 |
AU638507B2 (en) | 1993-07-01 |
EP0495001A4 (en) | 1993-06-09 |
EP0495001B1 (en) | 1999-02-17 |
DE69032954D1 (en) | 1999-03-25 |
US5825664A (en) | 1998-10-20 |
DE69032954T2 (en) | 1999-08-26 |
US5333114A (en) | 1994-07-26 |
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