摘要:
The invention relates to a communication device (1) having a transceiver unit (3) for receiving a broadcast message (BN) from the central installation (10), the broadcast message (BN) containing information for initiating communication between the communication device (1) and the central installation (10), and a control unit (2) for selecting a hardware address (MAC) for the communication device (1) in response to the information contained in the broadcast message (BN), wherein the selected hardware address (MAC) can be used for addressing the communication device (1) for messages from the central installation (10). The transceiver unit (3) is designed to communicate with the central installation (10) using the selected hardware address (MAC) for the duration of a session. The control unit (2) is designed to delete the selected hardware address (MAC) after the duration of the session has expired. Since a hardware address is selected randomly and is deleted after the session has expired, communication between the communication device and the central installation, in which the communication device remains anonymous, is possible.
摘要:
The invention relates to a method, devices, and a system for establishing a charging connection and an associated communication connection. The method is used to establish a charging connection (LV) and an associated communication connection (KV) between a charging station (LS) and a vehicle (F), wherein the vehicle (F) has a first charging device (LE1) and a first communication device (KE1), and the charging station (LS) has a second charging device (LE2) and a second communication device (KE2), comprising: – positioning of the first charging device (LE1) with respect to the second charging device (LE2) in such a way that energy for charging a battery (BAT) of the vehicle (F) can be transmitted via the charging connection (LV); – orientation of the second communication device (KE2) with respect to the first communication device (KE1), after the positioning has been carried out, such that the communication connection (KV) can carry out a wireless exchange of information (INF) in such a way that reception of the information (INF) by a further communication device (KEX) is prevented; – configuration of the first communication device (KE1) and of the second communication device (KE2) in such a way that the information (INF) is emitted and/or received by means of, in each case, at least one communication unit, such as, for example, an ultrasonic sensor or a radar sensor.
摘要:
The invention is concerned with a method for operating a process automation system (10) that is designed for controlling an industrial process and/or traffic-control signals. The system (10) comprises field devices (12, 14, 16) arranged in a field (26) of the process and a central controller unit (18) for controlling the process through the field devices (12, 14, 16). The central controller unit (18) generates control data (CDATA) for the field devices (12, 14, 16) by running a control program (42'). This control program (42') is provided as a browser executable application (42) that is designed to receive and process field data (FDATA) from the field devices (12, 14, 16) and to generate and send out the control data (CDATA). The central controller unit (18) executes an internet browser program (38) and the internet browser program (38) runs the application (42).
摘要:
The invention relates to a positioning method and device. According to the invention, a measurement method is used when there is a fairly large distance between a vehicle and a charging station, said measuring method determining the distance by way of absolute propagation time measurement. In a proximity zone between the charging station and the vehicle a relative propagation time measurement between a plurality of received signals is carried out.
摘要:
Method for monitoring an event-controlled function and monitoring apparatus for carrying out an event-controlled function. The present invention provides novel monitoring of the resource consumption of automation systems having a service-oriented architecture. In this case, individual parameters for the resource requirement and for the processing performance are respectively determined for individual subfunctions within the service-oriented architecture. Critical subfunctions can therefore be reliably identified and adapted, if necessary, by individually analysing the processing parameters for individual subfunctions during event-controlled processing.