Sensor for a measuring point and method for testing a sensor for a measuring point
AssigneeEndress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG
InventorsWolfgang Babel, Detlev Wittmer, Martin Gehrke, Andreas Gommlich
Life of this patent
Estimating the term…
Abstract
A two-part sensor composed of a sensor head and a sensor-head counterpart, testing is performed as to whether a correct sensor head is connected with the sensor-head counterpart.
Claims5
A sensor for a measuring point, comprising:
- a sensor head;
- a sensor-head counterpart, said sensor head and sensor-head counterpart being releasably connectable with one another, and
- a control system, wherein:
- said sensor head includes a measuring transducer for measured value registering, a first microcontroller for measured value processing, a voltage supply unit for energy supply of said sensor head and a communication interface for data-exchange with said sensor-head counterpart;
- said sensor-head counterpart is connected with said control system, to which the processed, measured values are forwarded;
- said first microcontroller is connected with a radio unit, which is connected to said voltage supply unit of said sensor head and which has an additional, separate voltage supply unit;
- and
- said additional, separate voltage supply unit is fed via radio wave energy and thereby enables a data-exchange via radio wave energy, also when said voltage supply unit does not deliver energy for said sensor head.
A method for testing a sensor used at a measuring point, using a portable testing device, the sensor having a sensor head and a sensor-head counterpart, which are releasably connectable with one another via a plug connection, wherein the sensor-head counterpart is connected to a control system via a cable connection, the method comprising the steps of:
- reading an identification of the sensor head stored in the sensor head via a first radio path into the portable testing device;
- transmitting the identification from the testing device to the control system via a second radio path;
- transmitting measuring-point-specific data stored in the control system from the control system to the portable testing device;
- and
- displaying the measuring-point-specific data on the portable testing device.
Dependencies are inferred from the claim text.