Transmitter output with scalable rangeability
First Claim
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1. An industrial process transmitter comprising:
- a sensing system for sensing a process variable over a range; and
transmitter electronics connected to the sensing system and configured to produce an analog communication signal representative of the process variable over a scale;
wherein the range is disproportionately distributed over the scale by the transmitter electronics to communicate the process variable over an analog control loop.
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Abstract
An industrial process transmitter includes a sensing system and transmitter electronics. The sensing system senses a process variable over a range. The transmitter electronics is connected to the sensing system and produces a scaled analog communication signal to communicate the process variable over an analog loop. The range is disproportionately distributed over the scale by the transmitter electronics.
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Citations
20 Claims
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1. An industrial process transmitter comprising:
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a sensing system for sensing a process variable over a range; and transmitter electronics connected to the sensing system and configured to produce an analog communication signal representative of the process variable over a scale; wherein the range is disproportionately distributed over the scale by the transmitter electronics to communicate the process variable over an analog control loop. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for transmitting sensor data as a scaled analog output signal, the method comprising:
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sensing a process variable with a sensor system having a sensor range encompassing a normal process range and an extended process range; unevenly distributing the normal process range and the extended process range over an analog communication signal scale; transmitting sensor data relating to the normal process range over an analog communication loop at a first resolution; and transmitting sensor data relating to the extended process range over the analog communication loop at a second resolution. - View Dependent Claims (14, 15, 16, 17)
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18. An industrial process transmitter configured to sense a process variable over a process operating range including a normal process range and an extended process range, the transmitter comprising:
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a sensing system that senses a process variable over a sensor range and that produces a sensor signal that is a function of the process variable over the process operating range; transmitter electronics connected to the sensing system and configured to produce a scaled analog communication signal based upon the sensor signal, the transmitter electronics including a controller that non-linearly distributes the sensor signal over the scale to communicate process variable data. - View Dependent Claims (19, 20)
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Specification