Abstract: An electric machine includes a first circuit through which a first working fluid can flow and a second circuit through which a second working fluid can flow. The first circuit and the second circuit are formed hermetically. In order to cool the electric machine particularly well, the first circuit and the second circuit have a common heat exchanger surface which is constructed in such a way that thermal energy from the first working fluid of the first circuit can be transmitted to the second working fluid of the second circuit or vice versa from the second working fluid to the first working fluid by way of the heat exchanger surface. A method for cooling an electric machine and a motor vehicle having an electric machine are also provided.

Abstract: In order to reduce data traffic in a network, a master node sends master data to at least one checking instance. The master data are checked by the checking instance. In the absence of errors, either the master data or slave data determined by the slave node are sent by the checking instance to the data-processing unit. When an error is recognized, all master data and slave data available at the checking instance are sent by the checking instance to the data-processing unit.

Abstract: In order to reduce data traffic in a network, a master node sends master data to at least one checking instance. The master data are checked by the checking instance. In the absence of errors, either the master data or slave data determined by the slave node are sent by the checking instance to the data-processing unit. When an error is recognized, all master data and slave data available at the checking instance are sent by the checking instance to the data-processing unit.

Abstract: An electric machine includes a first circuit through which a first working fluid can flow and a second circuit through which a second working fluid can flow. The first circuit and the second circuit are formed hermetically. In order to cool the electric machine particularly well, the first circuit and the second circuit have a common heat exchanger surface which is constructed in such a way that thermal energy from the first working fluid of the first circuit can be transmitted to the second working fluid of the second circuit or vice versa from the second working fluid to the first working fluid by way of the heat exchanger surface. A method for cooling an electric machine and a motor vehicle having an electric machine are also provided.

Abstract: A system and a method are provided for addressing at least two subscribers that are redundant in respect of each other in a communication network. The subscribers are each permanently assigned a unique address which is different for each subscriber. The subscribers form a group such that the subscribers in the group are redundant in respect to each other. The group of subscribers is assigned a unique group address which is only activate for one of the subscribers in the group and de-active for each of the remaining subscribers in the group. At least one higher-order unit is provided for the activation and deactivation.

Abstract: Several tools are included in an object processing system that also includes a common object model containing a data structure and an administrative program for the data structure. The tools have read access and optionally also write access to partial areas of the data structure via the administrative program. The partial areas can be different from one another and can contain mutually corresponding information. The administrative program optionally updates the other partial areas by compulsion, during write access approaches by a tool.

Abstract: A potential communication partner receives an inquiry which prompts it to notify the inquiring party of its interface in machine-readable form. When the interface data for the potential communication partner are available, the interface data can be transferred to a program, and communication with the remote partner can be started, the communication including a request for a functionality which is provided by the remote partner.

Abstract: Method and a system for transmitting data in a switchable data network. To improve the transmission of data having different priorities in the switchable data network, telegrams are assigned priorities, with said telegrams (70-77) in each case having a beginning and an end. Data telegrams assigned a first priority are sent during a first phase from first users to second users, with the first phase being characterized by a defined receive time of the end of one or more of the data telegram at one or more second users.

Abstract: The invention relates to a method for generating a system for providing diagnosis information, and to a corresponding system. The aim of the invention is to simplify the provision of information for diagnosing technical installations or technical processes. To this end, components pertaining to an automation system and having diagnosis interfaces for providing diagnosis information for diagnosing the respective components are collected in at least one group, and the diagnosis information of the respective group is provided by combining the diagnosis information of the components collected in the respective group.

Abstract: A device and a method for identifying parameters of at least one field device used in automation technology are provided. To simplify the assignment of parameters to field devices in automated systems, the behavior of the field device is monitored and operating information that describes the field device behavior is recorded. The operating information is stored in a first memory area, a manufacturer-independent field device model is stored in a second memory area and model parameters belonging to the manufacturer-independent field device model are identified on the basis of the operating information with the aid of a processing unit.

Abstract: The invention relates to a system and method called autotopology of a network or advertising based network management which enables the analysis and automatic graphical and hierarchical representation of any hierarchical or flat network topology, especially a switched Ethernet (SE). The autotopology can be used for self-configured networks (for example by using zeroconf) and for any otherwise configured networks, especially using DHCP or manually configured networks. The use of zeroconf is called autoconfiguration. Autoconfiguration and autotopology enable a comfortable and safe administration of a network. Administration of a self-configured network using the autotopology data proceeds in a separate and low-priority sub-network (link local) so that the productive operation of the network remains undisturbed. The topology of the network is used as a clear possibility of administering a network. Administration of the network is possible immediately after determination of the topology.

Abstract: The invention relates to a method and a system for communication in a data network (101), in particular switched Ethernet, and a user (102) in such a data network (101). To reduce the communication resources required for the transmission of telegrams (119-135) in the data network (101), it is proposed that time segments are defined, which are repeated cyclically at a basic clock rate, that telegrams (119-135) are each assigned a first identifier U, which allocates to the respective telegram (119-135) a group of n successive time segments for transmission of the respective telegram (119-135), whereby the group is repeated cyclically, that the telegrams (119-135) are each assigned a second identifier Z, which allocates to the respective telegram (119-135) an mth time segment in the sequence of n time segments of a group for transmission of the respective telegram (119-135), whereby 1?m?n and that the telegrams (119-135) are transmitted in the respectively assigned time segment.

Abstract: There is disclosed a device and a method for identifying parameters of at least one field device used in automation technology. To simplify the assignment of parameters to field devices in automated systems, the behaviour of the field device is monitored and operating information that describes said field device behaviour is recorded. Said operating information is stored in a first memory area, a manufacturer-independent field device model is stored in a second memory area and model parameters belonging to the manufacturer-independent field device model are identified on the basis of the operating information with the aid of a processing unit.

Abstract: The invention relates to a method for generating a system for providing diagnosis information, and to a corresponding system. The aim of the invention is to simplify the provision of information for diagnosing technical installations or technical processes. To this end, components pertaining to an automation system and having diagnosis interfaces for providing diagnosis information for diagnosing the respective components are collected in at least one group, and the diagnosis information of the respective group is provided by combining the diagnosis information of the components collected in the respective group.

Abstract: The invention relates to a method, a system and to a transceiver device for transmitting data via a data transmission device. According to said method, during an establishment phase, information concerning the structure of the data to be transmitted is exchanged between two or more transceiver devices. The structure of the data to be transmitted is then compared between the transceiver devices and if the structures match, the data is transmitted in a productive phase. Upon receipt of the data, the latter is assigned by the receiver to the corresponding structure.

Abstract: The invention relates to a system and method called autotopology of a network or advertising based network management which enables the analysis and automatic graphical and hierarchical representation of any hierarchical or flat network topology, especially a switched Ethernet (SE). The autotopology can be used for self-configured networks (for example by using zeroconf) and for any otherwise configured networks, especially using DHCP or manually configured networks. The use of zeroconf is called autoconfiguration. Autoconfiguration and autotopology enable a comfortable and safe administration of a network. Administration of a self-configured network using the autotopology data proceeds in a separate and low-priority sub-network (link local) so that the productive operation of the network remains undisturbed. The topology of the network is used as a clear possibility of administering a network. Administration of the network is possible immediately after determination of the topology.

Abstract: Abstract Addressing of redundant subscribers in a communication network The invention relates to a system and a method for addressing at least two subscribers (3, 4) that are redundant in respect of each other in a communication network (5), whereby the subscribers (3, 4) are each permanently assigned a first physical address (1, 9) that is unique in the communication network (5).

Abstract: Information available in an automation installation can be accessed via the automation installation by a computer that is coupled to the automation installation. The computer can access, via an interface, a search machine stored in the automation installation. The search machine selects the information available in the automation installation according to at least one criterion defines by an alphanumeric character string.

Abstract: The invention relates to a method and a system for communication in a data network (101), in particular switched Ethernet, and a user (102) in such a data network (101). To reduce the communication resources required for the transmission of telegrams (119-135) in the data network (101), it is proposed that time segments are defined, which are repeated cyclically at a basic clock rate, that telegrams (119-135) are each assigned a first identifier U, which allocates to the respective telegram (119-135) a group of n successive time segments for transmission of the respective telegram (119-135), whereby the group is repeated cyclically, that the telegrams (119-135) are each assigned a second identifier Z, which allocates to the respective telegram (119-135) an mth time segment in the sequence of n time segments of a group for transmission of the respective telegram (119-135), whereby 1?m?n and that the telegrams (119-135) are transmitted in the respectively assigned time segment.