Source: https://patents.google.com/patent/US9634858B2/en
Timestamp: 2019-10-21 13:00:49
Document Index: 382770216

Matched Legal Cases: ['application No. 06788153', 'application No. 2008', 'application No. 2008523001', 'Application No. 316', 'application No. 2011', 'application No. 2008106473', 'application No. 2008106473', 'application No. 2006800263763', 'application No. 06788153', 'application No. 06788153']

US9634858B2 - Field device with power over Ethernet - Google Patents
US9634858B2
US9634858B2 US11/489,931 US48993106A US9634858B2 US 9634858 B2 US9634858 B2 US 9634858B2 US 48993106 A US48993106 A US 48993106A US 9634858 B2 US9634858 B2 US 9634858B2
US11/489,931
US20070057783A1 (en
Troy M. Reller
2005-07-20 Priority to US70078505P priority Critical
2006-07-20 Application filed by Rosemount Inc filed Critical Rosemount Inc
2006-07-20 Priority to US11/489,931 priority patent/US9634858B2/en
2006-09-21 Assigned to ROSEMOUNT INC. reassignment ROSEMOUNT INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: RELLER, TROY M.
2007-03-15 Publication of US20070057783A1 publication Critical patent/US20070057783A1/en
2017-04-25 Publication of US9634858B2 publication Critical patent/US9634858B2/en
Ethernet packets are variable length units in which information can be transmitted over an Ethernet network. Each Ethernet packet includes a synchronization preamble, a destination address (TCP/IP, MAC, Network Layer and so on), a source address, a field containing a type-code indicator, a data field that varies from 46 to 1500 bytes, and a cyclical redundancy check that provides a value for confirming data accuracy. In one embodiment, the destination address is a device specific address corresponding to a particular device 408 (shown in FIG. 4). In an alternative embodiment, the data field contains an address specific to the particular field device.
Pressure transmitter 214 couples to two-wire process control loop 216 and includes transmitter housing 262. Housing 262 includes end caps 270 and 272 which can be screwed into housing 262. When attached, end caps 270 and 272 provide an intrinsically safe enclosure for circuitry within transmitter 214.
1. A field device assembly comprising:
a field device including:
a transducer configured to couple to a process;
field device circuitry operably coupled to the transducer and disposed within the housing; and
a terminal board including a field device connector configured to couple to a process communication loop to communicate information over and receive power from the process communication loop in accordance with a process industry standard protocol, wherein the information communicated over the process communication loop is information used to control a process variable using the transducer or information sent by the field device related to a process variable sensed by the transducer wherein the field device circuitry is powered with power received from the process communication loop;
a feature board coupled to the field device and disposed within the housing, the feature board including:
an Ethernet physical layer module coupled to an Ethernet connector;
an Ethernet power module coupled to the Ethernet connector and configured to power the field device with energy received through the Ethernet connector;
wherein the Ethernet physical layer module and the Ethernet power module are embodied upon the feature board;
a field device input/output (I/O) interface module configured to couple to the field device circuitry through the field device connector of the terminal board, communicate with the field device circuitry through the process communication loop, and provide power to the field device circuitry through the process communication loop using power provided from the Ethernet power module; and
a controller operably coupled to the field device input/output (I/O) interface module and to the Ethernet connector.
2. The field device assembly of claim 1, wherein the transducer is a sensor configured to sense the process variable.
3. The field device assembly of claim 1, wherein the transducer is an actuator.
4. The field device assembly of claim 1, wherein the field device circuitry is wholly powered by energy received from the feature board.
5. The field device assembly of claim 1, wherein the feature board includes a wireless communication module.
6. The field device assembly of claim 1 wherein the feature board is configured to receive configuration information which identifies a particular field device to which it is coupled from a plurality of different field devices.
7. The field device assembly of claim 6 wherein the configuration information is received through jumpers sets on the feature board.
8. The field device assembly of claim 6 wherein the configuration information is received through commands received by the feature board through an Ethernet network.
9. The field device assembly of claim 6 wherein the configuration information is received through an operator interface on the feature board.
10. The field device assembly of claim 1 wherein the feature board includes a memory which stores information about a plurality of field devices to which the feature board may be coupled.
11. The field device assembly of claim 10 wherein the controller determines how to interact with the field device based upon the information stored in the memory.
12. The field device assembly of claim 11, wherein the field device input/output (I/O) interface module includes a plurality of process industry communication protocol-specific modules.
13. The field device assembly of claim 1, wherein the field device input/output (I/O) module includes at least one process industry communication protocol-specific module.
14. The field device assembly of claim 13, wherein the process industry communication protocol module includes a 4-20 mA module.
15. The field device assembly of claim 13, wherein the process industry communication protocol-specific module communicates with the field device circuitry using a native protocol of the field device.
16. The field device assembly of claim 13, wherein the process industry communication protocol-specific module includes a Highway Addressable Remote Transducer HART® module.
17. The field device assembly of claim 13, wherein the process industry communication protocol-specific module includes a FOUNDATION™ FIELDBUS module.
18. The field device assembly of claim 13, wherein the process industry communication protocol-specific module includes a Controller Area Network (CAN).
19. The field device assembly of claim 1 wherein the controller is configured to translate communications received from the field device for transmission by the Ethernet physical layer module.
US11/489,931 2005-07-20 2006-07-20 Field device with power over Ethernet Active 2028-04-12 US9634858B2 (en)
US70078505P true 2005-07-20 2005-07-20
US11/489,931 US9634858B2 (en) 2005-07-20 2006-07-20 Field device with power over Ethernet
US20070057783A1 US20070057783A1 (en) 2007-03-15
US9634858B2 true US9634858B2 (en) 2017-04-25
US11/489,931 Active 2028-04-12 US9634858B2 (en) 2005-07-20 2006-07-20 Field device with power over Ethernet
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2006-07-20 CN CN 200680026376 patent/CN101223486B/en active IP Right Grant
2006-07-20 EP EP06788153A patent/EP1929383A1/en not_active Ceased
2006-07-20 JP JP2008523001A patent/JP2009503952A/en active Pending
2006-07-20 US US11/489,931 patent/US9634858B2/en active Active
2006-07-20 RU RU2008106473/07A patent/RU2427019C2/en active
2006-07-20 WO PCT/US2006/028429 patent/WO2007012074A1/en active Application Filing
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CN101223486A (en) 2008-07-16
RU2008106473A (en) 2009-08-27
EP1929383A1 (en) 2008-06-11
RU2427019C2 (en) 2011-08-20
US20070057783A1 (en) 2007-03-15
WO2007012074A1 (en) 2007-01-25
CN101223486B (en) 2012-02-08
JP2009503952A (en) 2009-01-29
CN102073314B (en) 2015-07-01 Device and method for communicatively coupling field devices to a controller in a process control system
CN1244033C (en) 2006-03-01 Process control network with redundant field devices and busses and arrangement method