Method for providing measured values for end customers
First Claim
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1. A method for providing measured values for end customers, comprising the steps of:
- recording a process variable by a measured value pick-up device wherein the device, a converter, a computer unit and a communication unit are part of a sensor;
digitizing the process variable into a measured value by the converter connected to the device via a first data line;
transmitting the measured value from the converter to the computer unit;
transmitting the measured value from the computer unit to the communication unit over a second data link;
receiving by the sensor a request for the measured unit from a process control unit;
converting the measured value by the communication unit into a telegram and transmitting the telegram from the sensor to the process control unit wherein the telegram comprises the measured value, data bus address of the sensor S and a data bus address of the process control system; and
counting and storing the number of measured values transmitted from the sensor to the process control unit by the computer unit.
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Abstract
In a method for providing measured values for end customers: The measured value for a process variable is recorded using a sensor and is transmitted to a process control system. The number of transmission operations is counted on the basis of the number of transmission operations. The fundamental advantage of the invention is that the end customer no longer pays for the sensor itself, but rather only for that which he actually requires, the measured value.
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15 Claims
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1. A method for providing measured values for end customers, comprising the steps of:
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recording a process variable by a measured value pick-up device wherein the device, a converter, a computer unit and a communication unit are part of a sensor; digitizing the process variable into a measured value by the converter connected to the device via a first data line; transmitting the measured value from the converter to the computer unit; transmitting the measured value from the computer unit to the communication unit over a second data link; receiving by the sensor a request for the measured unit from a process control unit; converting the measured value by the communication unit into a telegram and transmitting the telegram from the sensor to the process control unit wherein the telegram comprises the measured value, data bus address of the sensor S and a data bus address of the process control system; and counting and storing the number of measured values transmitted from the sensor to the process control unit by the computer unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification