Scalable process transmitter
First Claim
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1. A unitized sensor module, comprising:
- a housing adapted to support the unitized sensor module on a process opening, the housing having an outer wall surrounding a cavity and having a fitting integral with the outer wall and adapted to support a scalable transmitter module, the fitting opening to the cavity;
a circuit in the cavity, the circuit having a sensor coupling to the process opening and providing a sensor output; and
a feedthrough sealing the fitting and having external conductors energizing the circuit and providing the sensor output, the sensor output being configurable for local connection to a scalable transmitter module and configurable for direct wiring to a remote receiver.
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Abstract
A scalable process transmitter architecture includes a unitized sensor module and an optional scalable transmitter. The sensor module has a sensor output that is configurable which can connect locally to a scalable transmitter module to form a transmitter, or can be wired directly to a remote receiver. The scalable transmitter can mount on the unitized sensor module and generates a scalable output for a remote receiver. The transmitter module can provide more advanced features for specific applications.
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Citations
57 Claims
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1. A unitized sensor module, comprising:
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a housing adapted to support the unitized sensor module on a process opening, the housing having an outer wall surrounding a cavity and having a fitting integral with the outer wall and adapted to support a scalable transmitter module, the fitting opening to the cavity;
a circuit in the cavity, the circuit having a sensor coupling to the process opening and providing a sensor output; and
a feedthrough sealing the fitting and having external conductors energizing the circuit and providing the sensor output, the sensor output being configurable for local connection to a scalable transmitter module and configurable for direct wiring to a remote receiver. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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30. A scalable transmitter module, comprising:
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a housing adapted to mount on a unitized sensor module, the housing having an outer wall surrounding a cavity and having a first opening adapted to mount on a fitting of the unitized sensor module and a second opening adapted for connection to a wiring raceway to a remote receiver, the first and second openings to the cavity, and the cavity having a removable cover; and
a circuit in the cavity having a plug adapted to mate with a feedthrough of the unitized sensor module, the circuit being adapted to receive a sensor output from the unitized sensor module and generate a scalable output on circuit terminals accessible by removing the cover, the scalable output being adapted for connection to the remote receiver. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53)
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54. A method of manufacturing a scalable transmitter module, comprising:
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forming a housing to mount on a unitized sensor module, the housing having an outer wall surrounding a cavity and having a first opening adapted to mount on a fitting of the unitized sensor module and a second opening adapted for connection to a wiring raceway to a remote receiver, and providing openings through the first and second openings to the cavity, and covering the cavity with a removable cover; and
installing a circuit in the cavity, the circuit having a plug adapted to mate with a feedthrough of the unitized sensor module, the circuit being adapted to receive a sensor output from the unitized sensor module and generate a scalable output on circuit terminals accessible by removing the cover, the scalable output being adapted for connection to the remote receiver.
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55. A method of manufacturing a unitized sensor module, comprising:
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providing a housing adapted to support the unitized sensor module on a process opening, providing the housing with an outer wall surrounding a cavity and providing the housing with a fitting adapted to support a scalable transmitter module, and opening the fitting to the cavity;
installing a circuit in the cavity, the circuit having a sensor coupling to the process vessel and providing a sensor output; and
sealing a feedthrough in the fitting and providing external conductors on the feedthrough connected to the sensor output, and adapting the conductors for both local connection to a scalable transmitter module and direct wiring to a remote receiver.
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56. A unitized sensor module, comprising:
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means for housing adapted to support the unitized sensor module on a process opening, the means for housing having an outer wall surrounding a cavity and having a fitting adapted to support a scalable transmitter module, the fitting opening to the cavity;
means for sensing having a circuit in the cavity, the circuit having a sensor coupling to the process vessel and providing a sensor output; and
means for connecting having a feedthrough sealing the fitting and having external conductors connected to the sensor output, the conductors being adaptable for both local connection to a scalable transmitter module and direct wiring to a remote receiver.
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57. A scalable transmitter module, comprising:
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means for housing adapted to mount on a unitized sensor module, the means for housing having an outer wall surrounding a cavity and having a first opening adapted to mount on a fitting of the unitized sensor module and a second opening adapted for connection to a wiring raceway to a remote receiver, and openings through the first and second openings to the cavity, and a removable cover covering the cavity; and
sensing means in the cavity, including a circuit having a plug adapted to mate with a feedthrough of the unitized sensor module, the circuit being adapted to receive a sensor output from the unitized sensor module and generate a scalable output on circuit terminals accessible by removing the cover, the scalable output being adapted for connection to the remote receiver.
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Specification