Abstract: The present invention relates to an apparatus for determining and/or monitoring at least one process variable of a medium, comprising a sensor unit for registering a value for the process variable, a time registration unit for registering at least one duration of operation and a calculating unit, which is embodied at least based on the duration of operation registered by the time registration unit and based on at least one influencing variable influencing the duration of operation to make at least one statement with reference to condition of at least one component of the apparatus. Furthermore, the present invention relates to a method for operating an apparatus of the invention.

Abstract: The present invention relates to an apparatus for determining and/or monitoring at least one process variable of a medium, comprising a sensor unit for registering a value for the process variable, a time registration unit for registering at least one duration of operation and a calculating unit, which is embodied at least based on the duration of operation registered by the time registration unit and based on at least one influencing variable influencing the duration of operation to make at least one statement with reference to condition of at least one component of the apparatus. Furthermore, the present invention relates to a method for operating an apparatus of the invention.

Abstract: The present disclosure relates to an adapter for a 2-wire field device, especially a 2-wire field device of process and/or automation technology, comprising a communication unit for, especially wireless, especially bi directional, communication with an external unit, and an energy storage unit for supply of at least the communication unit with electrical energy. According to the present disclosure, the adapter includes a first connection element for, especially electrical, contacting of the adapter with a second, first connection element complementary, connection element of the field device, wherein the at least two connection elements are embodied for supply of at least the adapter with electrical energy and for exchanging information. Furthermore, the present disclosure relates to a transmitter with an adapter of the present disclosure as well as a 2-wire field device having an adapter of the present disclosure or a transmitter of the present disclosure.

Abstract: A method for operating a field device is disclosed, the field device having settings and/or functions classified into different security levels, where one of the settings and/or functions of the field device is selected by a user, at least one security measure is implemented depending upon the security level with which the selected setting and/or function is associated, and the security measure determines whether the selected setting and/or function of the field device is released for the user.

Abstract: The present disclosure relates to an adapter for a 2-wire field device, especially a 2-wire field device of process and/or automation technology, comprising a communication unit for, especially wireless, especially bi directional, communication with an external unit, and an energy storage unit for supply of at least the communication unit with electrical energy. According to the present disclosure, the adapter includes a first connection element for, especially electrical, contacting of the adapter with a second, first connection element complementary, connection element of the field device, wherein the at least two connection elements are embodied for supply of at least the adapter with electrical energy and for exchanging information. Furthermore, the present disclosure relates to a transmitter with an adapter of the present disclosure as well as a 2-wire field device having an adapter of the present disclosure or a transmitter of the present disclosure.

Abstract: A method for operating a field device is disclosed, the field device having settings and/or functions classified into different security levels, where one of the settings and/or functions of the field device is selected by a user, at least one security measure is implemented depending upon the security level with which the selected setting and/or function is associated, and the security measure determines whether the selected setting and/or function of the field device is released for the user.

Abstract: A two-conductor field device for process automation technology for connecting at least one sensor element includes a first supply part, which via a first 2-conductor connection is connectable with a fieldbus. The field device is supplied completely with energy via the fieldbus. The two-conductor field device includes a second supply part, which is connected to the first supply part and which serves via a second 2-conductor-connection for energy supply of a sensor bus. Further provided are a fieldbus communication unit, which is connected with the first 2-conductor-connection and with the first supply part and which serves for data-exchange via the fieldbus, and a sensor bus communication unit, which is connected with the second 2-conductor-connection and the second supply part and which serves for data exchange via the sensor bus. Connected with the fieldbus communication unit, the sensor bus communication unit and the first supply part is a processing module.

Abstract: In a measurement transmitter feeding device for process automation technology, serving for energy, or power, supply of a measurement transmitter and for forwarding electrical current signals transmitted via a signal line between the measurement transmitter and a superordinated unit, additionally arranged in the measurement transmitter feeding device FD are a microcontroller ?C connected via a modem to the signal line L and a signalizing means SM activated by the microcontroller ?C. The signalizing means SM serves for signalizing additional information delivered from the measurement transmitter MT and transmitted to the microcontroller ?C via the signal line L.

Abstract: A plug coupling system includes a first coupling member connected with a transmitter-side end of the bus connection cable and having at least two contact elements, which are galvanically connected each with a respective conductor wire of a bus connection cable, a second coupling member connected with a transmitter-side end of a device connection cable and having at least two contact elements, which are galvanically connected each with a respective conductor wire of the device connection cable, and arranged on the transmitter side, a third coupling member having at least three contact elements, which are connected with a transmitter.

Abstract: A plug coupling system includes a first coupling member connected with a transmitter-side end of the bus connection cable and having at least two contact elements, which are galvanically connected each with a respective conductor wire of a bus connection cable, a second coupling member connected with a transmitter-side end of a device connection cable and having at least two contact elements, which are galvanically connected each with a respective conductor wire of the device connection cable, and arranged on the transmitter side, a third coupling member having at least three contact elements, which are connected with a transmitter.