Abstract:
Bussysteme sollen komfortabler gekoppelt werden können. Hierzu wird eine Kopplungsvorrichtung (1) vorgeschlagen, mit der zwei Feldbusse (F1, F2) mit einem Peripheriebus (P) gekoppelt werden. Über den Peripheriebus (P) können Eingabe/Ausgabe-Bausteine (3, 4) zur zentralen Überwachung beziehungsweise Verarbeitung von Daten angeschlossen werden. Vorzugsweise ist die Kopplungsvorrichtung (1) konfigurierbar hinsichtlich des Transfers von Standarddaten (S) und sicherheitsrelevanten Daten (F) zwischen den drei Bussystemen (F1, F2, P).
Abstract:
Die Erfindung betrifft ein Kommunikationsbauteil (31), zur Kommunikation über eine AS-i (11) Leitung. Um ein verbessertes AS-i Kommunikationsbauteil (31) zur Kommunikation über eine AS-i Leitung (11) bereitzustellen wird vorgeschlagen, dass ein Senden und/oder Empfangen eines Standard AS-i Kommunikationssignals und eines erweiterten AS-i Kommunikationssignals über eine AS-i Leitung (11) über ein gemeinsames Kommunikationsbauteil (31) erfolgt.
Abstract:
Die Erfindung betrifft ein System zur Kommunikation auf mindestens zwei Kanälen, wobei das System einen Systembus (1), einen ersten Empfänger (3), einen zweiten Empfänger (4) und einen Master (2), welcher über den Systembus mit dem ersten Empfänger (3) und dem zweiten Empfänger (4) verbunden ist, umfasst. Um die Übertragungskapazität auf einem solchen Bussystems zu erhöhen wird vorgeschlagen, dass das System ferner eine Abschlusseinheit (5) umfasst, wobei der Master (2) über den Systembus (1) ebenso mit der Abschlusseinheit (5) verbunden ist und die Abschlusseinheit (5) einen ersten Hochpassfilter (6) und einen dem ersten Hochpassfilter (6) nachgeschalteten Abschlusswiderstand (7) aufweist, wobei der erste Hochpassfilter (6) derart dimensioniert ist, dass er das zweite Frequenzspektrum annähernd ungeschwächt durchlässt und das erste Frequenzspektrum weitgehend blockiert.
Abstract:
The invention relates to a bus system comprising a bus to which at least one master, an output slave, and a safety monitor are connected. The output slave controls an output switch. The safety monitor controls a main switch that is serially connected to the output switch. A consumer is connected to a power supply via said switches. The master specifies the desired switched state of the output switch to the output slave by means of a control command. The output slave reads the control command and reports the desired switched state contained therein back to the bus. A time element delays the execution of the control command for a predefined waiting period. The safety monitor makes a positive assessment, according to which the reported desired switched state is safe, or makes a negative assessment, according to which the reported desired switched state is not safe. The main switch is opened and the consumer is thus isolated from the power supply when the assessment is negative. The waiting period is calculated such that the main switch is already open before the output switch responds to a control command when the assessment is negative.
Abstract:
A method for providing electrical energy to an actuator (200) comprises the steps of: i) receiving an electric current having a first voltage (UBUS) from a data bus (100, 101, 102); ii) converting said electric current to a current having a second voltage (Uc) that is higher than said first voltage (U Bus ); iii) storing electrical energy of said second electric current; and discharging said stored electrical energy to an actuator (200). Independent claims also for a device (50) for providing electrical energy to an actuator (200), and for an actuator system.
Abstract:
The present invention relates to interoperability between machinery using different fieldbus systems/protocols. In particular the present invention provides a fieldbus emulator (205) adapted to facilitate communication between a first fieldbus system (215) and the second fieldbus system (225), wherein the first fieldbus system expects a specific configuration of the second fieldbus system. The fieldbus emulator comprises a first fieldbus interface (206) for communication with the first fieldbus system, a second fieldbus interface (208) for communication with the second fieldbus system and a controller controlling the data transfer between the two interfaces. The first fieldbus interface comprises a node emulator (209) that is configurable to emulate different node configurations associated to different first fieldbus systems or configurations. The arrangement makes it possible for the first fieldbus system to always "see" an expected configuration, regardless of the type and/or configuration of the second fieldbus system.
Abstract:
The invention relates to a bus system with a master (Ma) and several slaves (Sl) which are linked by a bus line (1). Between said master (Ma) and said slaves (Sl) at least one repeater (2) is inserted. According to the invention, a monitoring unit (U) is connected to the bus line (1) which detects and evaluates the reaction times between sending a master call (M) and the receipt of a slave response (S).
Abstract:
The invention concerns an electrical process interface device for provision in a low control and protection level of a Substation Automation or Distribution Automation system. The device (16) includes a process interface unit (26) for interfacing the electrical process at the low control and protection level, which unit has a number of parallel data connections on which I/O data related to control and protective devices on higher control and protection levels may be transmitted. The device (16) also includes a signal conversion unit (24) connected to the data connections, which unit packets data of the data connections according to a communication standard used by control and protective devices on the at least one higher control and protection level for allowing data to be directly transmitted between the electrical interface device (16) on the low control and protection level and other devices on higher control and protection levels.
Abstract:
The invention relates to a bus system comprising a bus to which at least one master, an output slave, and a safety monitor are connected. The output slave controls an output switch. The safety monitor controls a main switch that is serially connected to the output switch. A consumer is connected to a power supply via said switches. The master specifies the desired switched state of the output switch to the output slave by means of a control command. The output slave reads the control command and reports the desired switched state contained therein back to the bus. A time element delays the execution of the control command for a predefined waiting period. The safety monitor makes a positive assessment, according to which the reported desired switched state is safe, or makes a negative assessment, according to which the reported desired switched state is not safe. The main switch is opened and the consumer is thus isolated from the power supply when the assessment is negative. The waiting period is calculated such that the main switch is already open before the output switch responds to a control command when the assessment is negative.
Abstract:
Adhesive articles including transfer tapes and labels are described. The adhesive articles include a low elastic modulus adhesive on a microstructured release liner having a high coefficient of friction release surface. Improvements in die cut quality and razor slit edge quality are shown.