Patent ID: 7689511

Claim:
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.