[특허]Process control system devices with dual hardwired and wireless communication ports

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04B-007/00
출원번호	UP-0961172 (2004-10-08)
등록번호	US-7623479 (2009-12-02)
발명자 / 주소	Tapperson, Gary Boyd, Thomas A.
출원인 / 주소	Fisher Rosemount Systems, Inc.
대리인 / 주소	Marshall, Gerstein & Borun LLP
인용정보	피인용 횟수 : 3 인용 특허 : 41

초록 ▼

Field devices or other devices within a process control system are provided with both hardwired and wireless communication ports to enable communications to be performed within the process control system using one or both of hardwired and wireless communications. In particular, a field device for us

Field devices or other devices within a process control system are provided with both hardwired and wireless communication ports to enable communications to be performed within the process control system using one or both of hardwired and wireless communications. In particular, a field device for use in a process control system within a process control environment includes a microprocessor-based communication unit adapted to generate or receive communication signals, a first communication port adapted to be connected to a hardwired communication link for providing communications to or from the communication unit via the hardwired communication link and a second communication port adapted to be connected to a wireless transceiver to provide wireless communications to or from the communication unit via the wireless transceiver.

대표청구항 ▼

What is claimed is: 1. A field device for use in a process control system within a process control environment, comprising: a microprocessor-based communication unit of the field device for generating or receiving communication signals; a first communication port of the field device connected to a

What is claimed is: 1. A field device for use in a process control system within a process control environment, comprising: a microprocessor-based communication unit of the field device for generating or receiving communication signals; a first communication port of the field device connected to a hard-wired communication link for providing communications to or from the communication unit via the hard-wired communication link; and a second communication port of the field device connected to a radio frequency wireless transceiver to provide wireless communications to or from the communication unit via the wireless transceiver. 2. The field device of claim 1, wherein the first communication port and the second communication port communicate signals using the same communication protocol. 3. The field device of claim 2, wherein the same communication protocol comprises a fieldbus communication protocol. 4. The field device of claim 2, wherein the same communication protocol comprises a HART communication protocol. 5. The field device of claim 2, wherein the same communication protocol comprises a digital communication protocol. 6. The field device of claim 1, further including a sensing unit that measures a physical parameter within the process control environment and wherein the communication unit sends a sense signal indicating the measured physical parameter. 7. The field device of claim 1, further including a control unit that performs a physical control function within the process control environment and wherein the communication unit receives a control signal from one of the first communication port or the second communication port indicating the physical control function to be performed within the process control environment. 8. The field device of claim 1, wherein the communication unit creates a status signal indicative of a condition associated with the field device. 9. The field device of claim 8, wherein the status signal includes at least one of a diagnostic signal, an identity signal, and a calibration signal. 10. The field device of claim 1, further including an input/output device for transferring signals between a control unit and one or more field devices within the process control environment. 11. A field device for use in a process control system within a process control environment, comprising: a communication unit of the field device for generating or receiving communication signals; a first communication port of the field device connected to a hard-wired communication link for providing communications to or from the communication unit via the hard-wired communication link; a second communication port of the field device; and a radio frequency wireless transceiver connected to the second communication port to provide communications to or from the communication unit via a wireless communication link. 12. The field device of claim 11, wherein the communication unit comprises a microprocessor. 13. The field device of claim 11, wherein the first communication port and the second communication port communicate signals using the same communication protocol. 14. The field device of claim 11, wherein the first communication port and the second communication port communicate the same signal in a redundant manner. 15. The field device of claim 11, wherein the first communication port and the second communication port communicate different signals in a non-redundant manner. 16. The field device of claim 15, wherein the first communication port communicates a sense signal indicative of a measured parameter or a control signal indicative of a control action, and the second communication port communicates a status signal indicative of a secondary function within the field device. 17. The field device of claim 15, wherein the second communication port communicates a sense signal indicative of a measured parameter or a control signal indicative of a control action, and the first communication port communicates a status signal indicative of a secondary function within the field device. 18. The field device of claim 11, wherein the second communication port transmits a power signal received via the first communication port to the wireless transceiver. 19. An input/output communication device for use in a process control system within a process control environment, comprising: a first communication port connected via a first hard-wired communication link to a controller for providing communications to or from the controller via the first hard-wired communication link; a second communication port connected via a second hard-wired communication link to one or more field devices disposed within the process control environment for providing communications to or from the one or more field devices via the second hard-wired communication link; a third communication port; and a radio frequency wireless transceiver connected to the third communication port to provide communications to and from the input/output communication device via a wireless communication link. 20. The input/output communication device of claim 19, wherein the first and second communication ports transmit signals via the first and second hard-wired communication links using different communication protocols. 21. An input/output communication device comprising: a first communication port connected via a hard-wired communication link to a controller or to one or more field devices for providing communications to or from the controller or one or more field devices via the hard-wired communication link; a second communication port; and a radio frequency wireless transceiver connected to the second communication port to provide communications to and from the input/output communication device via a wireless communication link, wherein the input/output communication device provides communications in a process control system within a process control environment. 22. The input/output communication device of claim 21, wherein the first communication port transmits signals via the hard-wired communication links using a bus protocol.

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[미국특허] Process control system devices with dual hardwired and wireless communication ports 원문보기

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[미국특허] Process control system devices with dual hardwired and wireless communication ports 원문보기

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