公开(公告)号：US20180270336A1

公开(公告)日：2018-09-20

申请号：US15983722

申请日：2018-05-18

Applicant: BECKHOFF AUTOMATION GMBH

Inventor： Thorsten Bunte ,  Holger Büttner ,  Erik Vonnahme ,  Dirk Janssen ,  Thomas Rettig ,  Hans Beckhoff

IPC: H04L29/06 ,  H04L12/40

CPC classification number: H04L69/28 ,  H04L12/40013 ,  H04L69/22 ,  H04L69/26 ,  H04L2012/4026

Abstract: A first participant transmits a clocked data sequence to a second participant of a communication network, wherein one data unit of the data sequence is transmitted per clock cycle by the first participant and wherein the data sequence contains a datagram as a write datagram which contains a header, an intermediate field following the header and a data field following the intermediate header, wherein the header, the intermediate field and the data field in each case have one or more data units. The second participant reads the header of the datagram, defines input data depending on the content of the header within a response time, and records the input data in the datagram while the data sequence passes through the second participant. The length of the intermediate field of the datagram is matched to the clock frequency of the data sequence and the response time of the second participant.

公开(公告)号：US09467309B2

公开(公告)日：2016-10-11

申请号：US14736416

申请日：2015-06-11

Applicant: Beckhoff Automation GmbH

Inventor： Thorsten Bunte ,  Holger Büttner ,  Erik Vonnahme ,  Dirk Janssen ,  Thomas Rettig ,  Hans Beckhoff

IPC: H04L12/40 ,  H04L12/64

CPC classification number: H04L12/6418

Abstract: A data network comprises a master, a network distributor and a plurality of network users. The network distributor is connected to a master data path, a first and a second user data path. A method for transferring data telegrams in this data network includes the reception of a first master data telegram sent by the master through the network distributor, the compilation transfer of a first and a second transmission data telegram through the network distributor, and the reception of a first and a second reception data telegram through the network distributor. Further, the network distributor compiles a second master data telegram and transfers it to the master. In this connection, an access indicator of the second master data telegram represents accesses of the network user to the first master data telegram, the first and second transmission data telegrams as well as the first and second reception data telegrams.

Abstract translation: 数据网络包括主机，网络分配器和多个网络用户。 网络分配器连接到主数据路径，第一和第二用户数据路径。 在该数据网络中传送数据报文的方法包括通过网络分配器接收由主机发送的第一主数据报文，通过网络分配器对第一和第二传输数据报文进行编译，以及接收 第一和第二接收数据电报通过网络分配器。 此外，网络分配器编译第二主数据电报并将其传送给主设备。 在这方面，第二主数据报文的访问指示符表示网络用户访问第一主数据报文，第一和第二传输数据报文以及第一和第二接收数据报文。

公开(公告)号：US20150381538A1

公开(公告)日：2015-12-31

申请号：US14747855

申请日：2015-06-23

Applicant: Beckhoff Automation GmbH

Inventor： Thorsten Bunte ,  Holger Büttner ,  Erik Vonnahme ,  Dirk Janssen ,  Thomas Rettig ,  Hans Beckhoff

IPC: H04L12/58

CPC classification number: H04L51/12 ,  H04L12/403 ,  H04L12/413 ,  H04L12/423 ,  H04L41/12 ,  H04L51/14

Abstract: In a network, a control node is connected to a plurality of network subscribers via a closed ring-shaped data path, wherein the network subscribers form a chain, starting from the control node, with a head subscriber as a termination for the chain. The ring-shaped data path transits through the network subscribers on an outbound route and an inbound route, wherein the network subscribers are designed to perform data interchange both on the outbound route and on the inbound route with data messages circulating on the ring-shaped data path. The control node is additionally designed such that it outputs data messages with an identifier on the data path, wherein the head subscriber has a filter function to use a prescribed identifier to block the further transport of data messages with the corresponding identifier on the inbound route following transit of data messages through the head subscriber on the outbound route.

Abstract translation: 在网络中，控制节点经由封闭的环形数据路径连接到多个网络用户，其中网络用户从控制节点开始，以头部用户为链路的终端形成链。 环形数据路径通过网络用户在出站路由和入站路由上转发，其中网络用户被设计为在出站路由和入站路由上执行数据交换，数据消息在环形数据上循环 路径。 控制节点被额外地设计成使得其在数据路径上输出具有标识符的数据消息，其中头部订户具有过滤功能，以使用规定的标识符来阻止数据消息的进一步传输与在入​​站路由跟随的相应标识符 通过出站路由上的头部用户传输数据消息。

公开(公告)号：US20150295727A1

公开(公告)日：2015-10-15

申请号：US14684169

申请日：2015-04-10

Applicant: Beckhoff Automation GmbH

Inventor： Thorsten Bunte ,  Holger Büttner ,  Erik Vonnahme ,  Dirk Janssen ,  Thomas Rettig ,  Hans Beckhoff

IPC: H04L12/18 ,  H04L12/853 ,  H04L29/12

CPC classification number: H04L12/1854 ,  H04L12/1886 ,  H04L51/063 ,  H04L51/14 ,  H04L61/2069

Abstract: A method for operating a communication network comprising a master and a number of subscribers. A message comprising a data field is transmitted by the master, wherein at least one of the subscribers, on receiving the message, reads data out of the data field of the message, and forwards the message to at least one other one of the subscribers after the readout, and wherein the at least one other one of the subscribers, on receiving the message, writes data into the data field.

Abstract translation: 一种用于操作包括主设备和多个订户的通信网络的方法。 由主机发送包括数据字段的消息，其中，所述订户中的至少一个在接收到所述消息时，从所述消息的数据字段中读出数据，并且将所述消息转发到所述订户中的至少一个其他用户 读出，并且其中所述订户中的所述至少一个在接收到所述消息时将数据写入所述数据字段。

公开(公告)号：US20230208677A1

公开(公告)日：2023-06-29

申请号：US18178141

申请日：2023-03-03

Applicant: BECKHOFF AUTOMATION GMBH

Inventor： Tim Kaulmann ,  Erik Vonnahme

IPC: H04L12/407

CPC classification number: H04L12/407

Abstract: A method is provided for communicating between passive subscribers of a bus system. A first passive subscriber encodes an original static pattern in a first transmit SERDES element and encodes original user data in a time-synchronized manner with the original static pattern in a second transmit SERDES element. The second passive subscriber receives the encoded static pattern and user data, and generates a sampling clock having a first phase offset and a clock synchronous with a transmit-receive clock having a second phase offset, from the encoded static pattern. The second passive subscriber decodes the encoded static pattern using a first receive SERDES element and the encoded user data, using a second receive SERDES element to obtain a receive data word. The first receive SERDES element and the second receive SERDES element are operated based on the sampling clock, and the receive data word is output synchronously with the synchronous clock.

公开(公告)号：US20220271913A1

公开(公告)日：2022-08-25

申请号：US17685978

申请日：2022-03-03

Applicant: Beckhoff Automation GmbH

Inventor： Holger Büttner ,  Dirk Janssen ,  Erik Vonnahme ,  Hans Beckhoff ,  Thomas Rettig ,  Thorsten Bunte ,  Johannes Beckhoff ,  Guido Beckmann ,  Karl Weber

IPC: H04L7/10 ,  H04L7/00

Abstract: A method for synchronizing time in an Ethernet-based network having a master network subscriber and a slave network subscriber includes sending out a first telegram via the master network subscriber, where the slave subscriber receives the first telegram at a first receipt time value of a local system time and stores the first receipt time value. The method can also include reading out the first receipt time value via the master subscriber, sending out a second telegram by the master subscriber, where the slave subscriber receives the second telegram at a second receipt time value of the local system time and stores the second receipt time value, and reading out the second receipt time value via the master network subscriber. A speed parameter of the local system time can be calculated from the receipt time values via the master network subscriber, and transmitted to the slave subscriber.

公开(公告)号：US20220038306A1

公开(公告)日：2022-02-03

申请号：US17451658

申请日：2021-10-21

Applicant: Beckhoff Automation GmbH

Inventor： Holger Büttner ,  Dirk Janssen ,  Erik Vonnahme ,  Thomas Rettig ,  Hans Beckhoff ,  Thorsten Bunte ,  Johannes Beckhoff

IPC: H04L12/40 ,  H04L12/741 ,  H04L12/935

Abstract: A network distributor comprises a plurality of input/output ports, a processor unit, and a memory unit. The input/output ports are configured to connect network subscribers via a data line network, where the network subscribers comprise protocol subscribers configured to process telegrams configured as protocol telegrams. The processor unit is configured to receive telegrams via one input/output port and to output telegrams via another input/output port, which is stored in a routing table in the memory unit. The processor unit is further configured to determine whether a telegram is a protocol telegram received via an input/output port for which it is preset that no protocol subscriber is connected, and to discard the telegram if so. Checking and discarding of telegrams can be subject to a precondition, where fulfillment of the precondition leads to an exception from discarding the telegram.

公开(公告)号：US20200244480A1

公开(公告)日：2020-07-30

申请号：US16847898

申请日：2020-04-14

Applicant: Beckhoff Automation GmbH

Inventor： Thorsten Bunte ,  Holger Büttner ,  Dirk Janssen ,  Thomas Rettig ,  Hans Beckhoff ,  Erik Vonnahme

IPC: H04L12/403 ,  H04L12/40 ,  H04L12/46 ,  H04L29/06

Abstract: A communications network having a master subscriber M and at least one slave subscriber. At least one distribution node CU1, CU2, CU3, CU4 is provided which has a plurality of input/output interfaces, each of which is connected to a network segment, the master subscriber M arranged in a first network segment M1 and the slave subscriber arranged in a second network segment S1, S2, S3, S4, S5. Data is exchanged between the master subscriber M and the slave subscriber in the form of telegrams initiated by the master subscriber. The telegrams to be sent from the slave subscriber to the master subscriber are each assigned control data containing a forwarding time information when the corresponding telegram is to be output from the distribution node via the input/output interface in the direction of the first network segment comprising the master subscriber, the forwarding time information determined by the master subscriber M.

公开(公告)号：US20190363906A1

公开(公告)日：2019-11-28

申请号：US16507210

申请日：2019-07-10

Applicant: Beckhoff Automation GmbH

Inventor： Thorsten Bunte ,  Holger Büttner ,  Dirk Janssen ,  Thomas Rettig ,  Hans Beckhoff ,  Erik Vonnahme

IPC: H04L12/40 ,  H04L12/403

Abstract: In an automation-communication network, at least one distribution node comprises input/output interfaces each connected to at least one network segment. In a first network segment a first subscriber and in a second network segment a second subscriber are arranged. Data are exchanged between the first and the second subscriber by telegrams realized as scheduled telegrams and unscheduled telegrams. The distribution node receives an unscheduled telegram on an input/output interface and sends an unscheduled telegram on a further input/output interface. The distribution node determines a transmission duration for transmission of the unscheduled telegram. The distribution node transmits the unscheduled telegram. Prior to transmission, the distribution node deposits a first telegram information in a data field. The distribution node fragments the unscheduled telegram if the telegram cannot be transmitted within a time slot. Prior to transmission of the unscheduled telegram, the distribution node enters a second telegram information into the data field.

公开(公告)号：US10069641B2

公开(公告)日：2018-09-04

申请号：US14684169

申请日：2015-04-10

Applicant: Beckhoff Automation GmbH

Inventor： Thorsten Bunte ,  Holger Büttner ,  Erik Vonnahme ,  Dirk Janssen ,  Thomas Rettig ,  Hans Beckhoff

IPC: H04L12/28 ,  H04L12/18 ,  H04L12/58 ,  H04L29/12

Abstract: A method for operating a communication network comprising a master and a number of subscribers. A message comprising a data field is transmitted by the master, wherein at least one of the subscribers, on receiving the message, reads data out of the data field of the message, and forwards the message to at least one other one of the subscribers after the readout, and wherein the at least one other one of the subscribers, on receiving the message, writes data into the data field.