Transmitter with dual protocol interface
First Claim
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1. A two-wire process transmitter for use in monitoring an industrial process, comprising:
- HART®
communication circuitry configured to couple to a two-wire process control loop and operate in accordance with HART®
communication protocol and completely power the transmitter with power received from the two-wire process control loop;
Fieldbus communication circuitry configured to couple to the two-wire process control loop and operate in accordance with Fieldbus communication protocol and completely power the transmitter with power received from the two-wire process control loop;
a first pair of electrical terminals adapted to couple the HART®
communication circuitry to the two-wire process control loop in a first configuration; and
a second pair of electrical terminals adapted to couple the Fieldbus communication circuitry to the two-wire process control loop in an alternative second configuration.
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Accused Products
Abstract
A two-wire process transmitter for use in monitoring an industrial process includes HART® communication circuitry and Fieldbus communication circuitry to couple to a two-wire process control loop. A first pair of electrical terminals is provided to couple the HART® communication circuitry to the two-wire process control loop in a first configuration, and a second pair of electrical terminals is provided to couple the Fieldbus communication circuitry to the two-wire process control loop in an alternative second configuration.
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Citations
27 Claims
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1. A two-wire process transmitter for use in monitoring an industrial process, comprising:
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HART®
communication circuitry configured to couple to a two-wire process control loop and operate in accordance with HART®
communication protocol and completely power the transmitter with power received from the two-wire process control loop;
Fieldbus communication circuitry configured to couple to the two-wire process control loop and operate in accordance with Fieldbus communication protocol and completely power the transmitter with power received from the two-wire process control loop;
a first pair of electrical terminals adapted to couple the HART®
communication circuitry to the two-wire process control loop in a first configuration; and
a second pair of electrical terminals adapted to couple the Fieldbus communication circuitry to the two-wire process control loop in an alternative second configuration. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A two-wire process transmitter for use in monitoring an industrial process, comprising:
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HART®
communication means for coupling to a two-wire process control loop, operating in accordance with HART®
communication protocol and completely powering the transmitter with power received from the two-wire process control loop;
Fieldbus communication means for coupling to the two-wire process control loop, operating in accordance with Fieldbus communication protocol and completely powering the transmitter with power received from the two-wire process control loop;
a first electrical terminal means for coupling the HART®
communication circuitry to the two-wire process control loop in a first configuration; and
a second electrical terminal means for coupling the Fieldbus communication circuitry to the two-wire process control loop in an alternative second configuration. - View Dependent Claims (24)
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12. A method of coupling a two-wire process transmitter to a two-wire process control loop, comprising:
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providing HART®
communication circuitry configured to couple to a two-wire process control loop and operate in accordance with HART®
communication protocol and completely power the transmitter with power received from the two-wire process control loop;
providing Fieldbus communication circuitry configured to couple to the two-wire process control loop and operate in accordance with Fieldbus communication protocol and completely power the transmitter with power received from the two-wire process control loop;
providing a first pair of electrical terminals adapted to couple the HART®
communication circuitry to the two-wire process control loop in a first configuration; and
providing a second pair of electrical terminals adapted to couple the Fieldbus communication circuitry to the two-wire process control loop in an alternative second configuration. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 25)
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22. A method of coupling a two-wire process transmitter to a two-wire process control loop, comprising:
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providing HART®
communication circuitry configured to couple to a two-wire process control loop and operate in accordance with HART®
communication protocol and completely power the transmitter with power received from the two-wire process control loop;
providing Profibus communication circuitry configured to couple to the two-wire process control loop and operate in accordance with Profibus communication protocol and completely power the transmitter with power received from the two-wire process control loop;
providing a first pair of electrical terminals adapted to couple the HART®
communication circuitry to the two-wire process control loop in a first configuration; and
providing a second pair of electrical terminals adapted to couple the Profibus communication circuitry to the two-wire process control loop in an alternative second configuration. - View Dependent Claims (26)
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23. A two-wire process transmitter for use in monitoring an industrial process, comprising:
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Profibus communication circuitry configured to couple to a two-wire process control loop and operate in accordance with Profibus communication protocol and completely power the transmitter with power received from the two-wire process control loop;
Fieldbus communication circuitry configured to couple to the two-wire process control loop and operate in accordance with Fieldbus communication protocol and completely power the transmitter with power received from the two-wire process control loop;
a first pair of electrical terminals adapted to couple the HART®
communication circuitry to the two-wire process control loop in a first configuration; and
a second pair of electrical terminals adapted to couple the Fieldbus communication circuitry to the two-wire process control loop in an alternative second configuration. - View Dependent Claims (27)
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Specification