Abstract: A radio unit for a plant of process automation technology. The radio unit has a power circuit, which serves to derive first and second supply voltages from a voltage source, wherein the power circuit has a first output, via which the first supply voltage is tappable to serve for driving an operating electronics of the radio unit, wherein the power circuit has at least a second output, via which the at least a second supply voltage is tappable to serve for driving at least one field device connectable to the second output.

Abstract: An apparatus comprising a battery unit and an electronics unit. The battery unit has a battery with a first and a second pole. The battery unit has at least a first, at least a second and at least a third electrical contact, wherein the first contact and the third contact are connected with the first pole, and wherein the second contact is connected with the second pole. The electronics unit has an input circuit with at least a first and at least a second electrical countercontact for receiving electrical energy from the battery unit essentially via the first and second contacts or essentially via the second and third contacts of the battery unit.

Abstract: A method for integrating at least one field device into a network of automation technology, wherein a plurality of field devices are arranged distributed in an automated plant, wherein accessing of the field devices occurs via a field access unit, which communicates with at least one automation/integration platform and at least one web server of a service provider, wherein the service provider provides for each field device a virtual image of the field device in a database, wherein the service provider transmits to the operator of the automated plant via cloud-computing web services, or Internet based services, automatically or on query, the virtual image of the field device with concrete field device- and application-specific properties at run time (the virtual image is preferably transmitted directly into the field device, and wherein the field device performs its function in the automated plant, as soon as it is integrated into the network.

Abstract: A method, in the case of which it is monitored in a wireless adapter connected to a field device whether, in the context of communication with the field device, a status change of the field device is being reported. In case a status change has been reported, the wireless adapter queries for expanded status information of the field device. The expanded status information is transmitted event-controlled from the wireless adapter to a superordinated communication unit and provided through such to an evaluation tool, in case a comparison of the expanded status information with a status pattern adapted specifically for the field device shows that the relevant, expanded status information should be evaluated.

Abstract: A method for parametering a field device of process automation technology, wherein the field device has a certain number of device parameters, and wherein the method comprises the steps of: providing a plurality of parametering modules, wherein at least one of the parametering modules specifies values for parameters of a first portion of the device parameters for parametering the field device; registering with an auxiliary module data, which relate to the application, in which the field device is to be applied; and selecting by means of the auxiliary module one of the parametering modules for parametering of the field device.

Abstract: A method for adjusting a density measuring device, wherein the method includes at least the steps of: producing a reference medium of a predeterminable density; supplying the reference medium to an adjusted, reference, density measuring device; determining the density of the reference medium with the reference density measuring device; supplying the reference medium to the density measuring device to be adjusted; registering with the density measuring device to be adjusted a measured value representing the density; and associating the measured value with the density determined with the reference density measuring device. Further an apparatus for performing the method is noted.

Abstract: A method of safeguarding the authorized access to field a device used in automation-technology, wherein the field device comprises an internet protocol capable interface as well as an interface for near field communication.

Abstract: An autarkic field device or an autarkic radio adapter for a field device, of automation technology fed with limited energy via an energy supply unit associated, or associable, with the field device or the radio adapter. Between the energy supply unit and an internal voltage source, whose voltage exceeds, or at times can exceed, the voltage of the energy supply unit, a barrier of at least one diode group having at least two diodes connected in parallel is arranged, which blocks flow of electrical current from the internal voltage source to the energy supply unit or to the connection terminals of the field device or of the radio adapter for the energy supply unit.

Abstract: A system for servicing field devices in an automated plant with a superordinated control/service unit, wherein the superordinated control/service unit accesses the field devices via a communication network. The communication network has at the control/servicing level a first bus system with a first transmission protocol and at the field level a second bus system with a second transmission protocol. The conversion of the two transmission protocols occurs in a gateway and provided in the gateway a basic software, which, upon the occurrence of an event, scans to ascertain the field devices arranged at the field level and utilizes the ascertained information concerning the field devices, in order to download the corresponding electronic device descriptions from an application server and to provide these to the control/service unit for servicing the field devices. The application server contains server apps.

Abstract: The invention relates to an autarkic field device or an autarkic radio adapter (2) for a field device (1), of automation technology fed with limited energy via an energy supply unit (3) associated, or associable, with the field device (1) or the radio adapter (2), characterized in that, between the energy supply unit (3) and an internal voltage source (4), whose voltage exceeds, or at times can exceed, the voltage of the energy supply unit (3), a barrier (5a; 5b) of at least one diode group having at least two diodes (6) connected in parallel is arranged, which blocks flow of electrical current from the internal voltage source (4) to the energy supply unit (3) or to the connection terminals (7) of the field device (1) or of the radio adapter (2) for the energy supply unit (3).

Abstract: A field device of automation technology, is fed via a two-wire line or via an energy source of limited energy reserve associated with the field device. The field device includes: a hardwired communication interface having at least one communication channel; and, associated with the communication interface, a functional unit, which is embodied in such a manner, that it performs sending and/or receiving of digital communication signals via the communication interface. The functional unit, for the purpose of energy saving, is turned on only in active, operating phases, while it is switched off in inactive, resting phases; and a detection circuit is provided, which detects a communication signal applied to the communication interface and automatically activates the functional unit.

Abstract: An electrical and/or electronic supply circuit, which serves to provide a first or a second, essentially constant value of a supply voltage, which supply voltage serves to operate an operating electronics. The supply circuit serves to output the first value of the supply voltage when the supply voltage is derived from a first voltage source, and the supply circuit serves to output the second value of the supply voltage when the supply voltage is derived from a second voltage source.

Abstract: A method for the diagnosis of incorrect settings of energy supply parameters of a field device power supply module, which is connected to exclusively one field device and by which the one connected field device is supplied with electrical energy. In the method, the system comprising field device power supply module and connected field device is operated with set energy supply parameters of the field device power supply module. In such case, the manner of operation of the connected field device is automatedly monitored by the field device power supply module to look for occurring malfunctions. Defective settings of energy supply parameters are automatedly diagnosed by analyzing occurring malfunctions and associated these with incorrectly set energy supply parameters based on predetermined rules.

Abstract: A field device of process automation technology which includes a hardwire communication interface and a functional unit associated with the communication interface. The functional unit is embodied in such a manner, that it performs sending and/or receiving of digital signals via the communication interface. The field device is embodied in such a manner, that the functional unit is operable in a clocked manner, wherein, in the clocked operation, active time periods, in which the functional unit is activated, alternate with turned-off periods of time, in which the functional unit is switched off.

Abstract: A method for operating a fieldbus interface, which is connected to a fieldbus of process automation technology. The method includes the steps as continuous monitoring of data traffic on the fieldbus by the fieldbus interface; need-dependent performing of active communication by the fieldbus interface in parallel with the monitoring of the data traffic; and registering by the fieldbus interface of monitored information concerning network management of the fieldbus.

Abstract: A process control arrangement (PKA), having a number of fieldbus systems (DP1, PA1, FH), especially different fieldbus systems (DP1, PA1, FH), and having a number of fieldbus interfaces (PAP1, PAP2, PAP3), wherein each of the fieldbus systems (DP1, PA1, FH) is connected to at least one of the fieldbus interfaces (PAP1, PAP2, PAP3), wherein the fieldbus interfaces (PAP1, PAP2, PAP3) serve for communication between the fieldbus systems (DP1, PA1, FH) and a communication plane (ET2) superordinated to the fieldbus systems, only a first of the fieldbus interfaces (PAP1) is directly connected to the superordinated communication plane (ET2), and wherein the fieldbus interfaces (PAP1, PAP2, PAP3) are connected in series with one another beginning with the first of the fieldbus interfaces (PAP1).

Abstract: In a method for maintaining a production installation having a plurality of field devices F1, F2, F3 connected partly, or completely, over a data bus D with a control system L, the field devices F1, F2, F3 are registered in a manufacturer data base HG-DB with a manufacturer-specific identification and manufacturer-specific information relevant for maintenance, and in a customer database IB-DB with a customer-specific identification and customer-specific information. An electronic database query on the basis of maintenance criteria is performed in both of the databases HG-DB and IB-DB. In this way, both manufacturer information and customer information can be considered in the maintenance process.

Abstract: self-monitoring flow measuring arrangement includes a pipeline system flowed through by a medium, a control device installed in the pipeline system on the inlet-side, which varies a flow rate of the total medium flowing into the pipeline system according to a predetermined time-dependent periodic change profile; at least one flow measuring device installed in the pipeline system, which is located at a measuring location, which is located behind the control device in the flow direction, and through which the entire medium flowing through the pipeline system flows, and which measures the flow rate (Q5(t), Q5a, (t), Q5b(t), Q5c(t), Q5d(t), Q5e(t)) of the medium at the measuring location; and a monitoring unit, which, based on the predetermined time-dependent change profile and the flow rates measured at the measuring locations (Q5(t), Q5a(t), Q5b(t), Q5c(t), Q5d(t), Q5e(t)), monitors whether the measured flow rates (Q5(t), Q5a, (t), Q5b(t), Q5c(t), Q5d(t), Q5e(t)) follow the predetermined time-dependent change p

Abstract: A method for integrating a field device of automation technology into a radio network composed of a plurality of field devices, wherein the field device to be integrated switches, or is switched, at start-up, respectively, first start-up, into a special start-up mode, wherein, in the special start-up mode, a peer to peer connection to a service device or to a selected field device is produced on a specific channel and wherein integration data are transmitted from the service device or the selected field device to the field device to be integrated and/or diagnostic data of the field device are transmitted to the service device or to the selected field device.

Abstract: A method for servicing field devices of process automation technology utilizing a device-independent operating program SP running in a computer unit CU and requiring device-specific description files DD1-DD6 for accessing parameters and/or functions of field devices F1-F6, wherein the device-specific description files must be processed by a preprocessing program, during run time of the operating program SP, that preprocessing program IP1 or IP2 is called, which was successfully tested with the corresponding description file DD1-DD6.