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    • 4. 发明授权
    • Method for adjusting the data transmission rate in a fieldbus system
    • 调整现场总线系统数据传输速率的方法
    • US07020711B2
    • 2006-03-28
    • US10071035
    • 2002-02-08
    • Roland RuppKlaus WohnhaasHans Schwenkel
    • Roland RuppKlaus WohnhaasHans Schwenkel
    • G06F15/16
    • H04L12/4013G05B2219/31135H04L12/403H04L2012/40215H04L2012/4026Y02D50/10
    • The invention relates to a method for adjusting the data transmission rate in a fieldbus system (10) which is suitable to control safety-critical processes and which comprises at least one subscriber (12, 14) connected to a fieldbus (20), wherein in a first phase the subscriber/subscribers log on at a unit (30/central unit) centrally connected to the fieldbus with a first low data transmission rate. In a second phase the central unit (30) sets the data transmission rate at the subscriber/subscribers (12, 14) to a predetermined higher second value. In a third phase the subscriber/subscribers (12, 14) log on again at the central unit with a higher data transmission rate; and the central unit (30) shuts down the fieldbus (20) if it detects a deviation of the number of subscribers (12, 14) logged on in the first and the third phase. The invention also relates to a fieldbus system for implementing said method
    • 本发明涉及一种用于调整现场总线系统(10)中的数据传输速率的方法,其适用于控制安全关键过程,并且包括至少一个连接到现场总线(20)的用户(12,14),其中, 用户/用户以与第一低数据传输速率集中连接到现场总线的单元(30 /中央单元)登录的第一阶段。 在第二阶段,中央单元(30)将用户/订户(12,14)处的数据传输速率设置为预定的较高的第二值。 在第三阶段,用户/用户(12,14)在中央单元上再次登录具有较高的数据传输速率; 并且如果中央单元(30)检测到在第一和第三阶段中登录的用户数量(12,14)的偏差,则中央单元(30)关闭现场总线(20)。 本发明还涉及一种用于实现所述方法的现场总线系统
    • 5. 发明授权
    • Apparatus for controlling safety-critical processes
    • 用于控制安全关键过程的装置
    • US06832343B2
    • 2004-12-14
    • US10072558
    • 2002-02-08
    • Roland RuppKlaus WohnhaasHans Schwenkel
    • Roland RuppKlaus WohnhaasHans Schwenkel
    • G06F1100
    • G05B9/03
    • The present invention relates to an apparatus for controlling safety-critical processes. The apparatus includes at least one safe control unit for controlling the safety-critical processes and at least two safe signal units which are connected via I/O channels to the safety-critical processes. The safe control unit and the safe signal units are connected to a common fieldbus. The safe signal units communicate with the safe control unit, but not with one another, when the apparatus is in the control mode. The safe signal units have an evaluator for evaluating a fault message which is broadcasted across the fieldbus, as well as a switching device which autonomously change the safety-critical process to a safe state when a fault message which is evaluated as being relevant occurs.
    • 本发明涉及一种用于控制安全关键过程的装置。 该装置包括用于控制安全关键过程的至少一个安全控制单元和经由I / O通道连接到安全关键过程的至少两个安全信号单元。 安全控制单元和安全信号单元连接到公共现场总线。 当设备处于控制模式时,安全信号单元与安全控制单元通信,但彼此不通信。 安全信号单元具有用于评估跨现场总线广播的故障消息的评估器,以及当被评估为相关的故障消息发生时,将安全关键过程自主地改变为安全状态的交换设备。
    • 6. 发明授权
    • Electronic safety switching device and method
    • 电子安全开关装置及方法
    • US06784571B2
    • 2004-08-31
    • US10414795
    • 2003-04-16
    • Roland RuppHans Schwenkel
    • Roland RuppHans Schwenkel
    • B60Q1100
    • G05B9/03H03K19/0075
    • The present invention relates to an electronic safety switching device having at least a first and a second signal processing channel. The channels can be supplied with input signals for signal processing, and they provide redundantly processed output signals. According to one aspect of the invention, the signal processing channels are arranged monolithically on a common semiconductor substrate. The semiconductor structures of each signal processing channel are spaced apart physically by a multiple of their width from the semiconductor structures of every other signal processing channel.
    • 本发明涉及至少具有第一和第二信号处理通道的电子安全开关装置。 通道可以提供输入信号进行信号处理,并提供冗余处理的输出信号。 根据本发明的一个方面,信号处理通道单片地布置在公共半导体衬底上。 每个信号处理通道的半导体结构在物理上与其它信号处理通道的半导体结构的宽度的倍数隔开。
    • 7. 发明授权
    • Safety switching apparatus for safe disconnection of an electrical load
    • 用于安全断开电气负载的安全开关装置
    • US07672109B2
    • 2010-03-02
    • US11858925
    • 2007-09-21
    • Thomas NitscheHans Schwenkel
    • Thomas NitscheHans Schwenkel
    • H02H7/00
    • H01H47/002
    • A safety switching apparatus for safe disconnection of an electrical load in an automated installation has at least one input for connecting a signaling device. The safety switching apparatus has an evaluation and control unit and at least one switching element controlled by the evaluation and control unit in order to interrupt an electrical power supply path to the load. The switching element is a changeover switch having at least two mutually alternative switching paths, with a first switching path being located in the electrical power supply path to the load and with a second switching path leading to a monitoring unit.
    • 用于安全断开自动化装置中的电负载的安全开关装置具有用于连接信号装置的至少一个输入。 安全开关装置具有评估和控制单元以及由评估和控制单元控制的至少一个开关元件,以便中断到负载的电力供应路径。 开关元件是具有至少两个相互替代的开关路径的转换开关,其中第一开关路径位于到负载的电力供应路径中,并且具有通向监控单元的第二开关路径。
    • 8. 发明授权
    • Arrangement and method for controlling an automated system, in particular a railway system
    • 用于控制自动化系统,特别是铁路系统的布置和方法
    • US08306680B2
    • 2012-11-06
    • US13347129
    • 2012-01-10
    • Hans SchwenkelChristoph Weishaar
    • Hans SchwenkelChristoph Weishaar
    • G05B19/05G05B9/02B61L7/06
    • G05B19/058B61L27/0005G05B2219/1181G05B2219/1194G05B2219/1195
    • An arrangement for controlling an automated system, having a number of sensors and actuators, in particular for controlling a railroad system. A programmable control unit runs a user program to process input data from the sensors and to generate control commands for the actuators. The sensors and the actuators are connected to a remote I/O unit, which is connected to the control unit via a communication network. The control unit and the I/O unit interchange data messages in order to transmit the input data and the control commands. The arrangement has a remote disconnection unit, which is coupled to the remote I/O unit independently from the input data and control commands. The control unit is designed to integrate specific verification data for the disconnection unit into the data messages for the I/O unit. The disconnection unit is designed to deactivate the I/O unit depending on the specific verification data.
    • 用于控制具有多个传感器和致动器的自动化系统的装置,特别是用于控制铁路系统。 可编程控制单元运行用户程序来处理来自传感器的输入数据并产生用于致动器的控制命令。 传感器和执行器连接到通过通信网络连接到控制单元的远程I / O单元。 控制单元和I / O单元交换数据消息,以便传输输入数据和控制命令。 该装置具有远程断开单元,其独立于输入数据和控制命令耦合到远程I / O单元。 控制单元被设计为将断开单元的特定验证数据集成到I / O单元的数据消息中。 断开单元被设计为根据具体的验证数据去激活I / O单元。