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公开(公告)号：US11340574B2
公开(公告)日：2022-05-24
申请号：US16643581
申请日：2018-09-26
申请人： OMRON Corporation
发明人： Shigenori Sawada
摘要： The junction device includes a first error detection means that detects a transmission error by monitoring the periodic reception of a first communication frame, and a state switching means that switches, when a transmission error is detected by the first error detection means, a state of the junction device to either a first state in which the signal output from all of the functional units connected to the junction device is disabled or a second state in which the signal output from some of the functional units connected to the junction device is continuously updated based on the configuration of each functional unit connected to the junction device.
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公开(公告)号：US10554522B2
公开(公告)日：2020-02-04
申请号：US15381133
申请日：2016-12-16
申请人： OMRON Corporation
摘要： A master device, slave device, error monitoring system, and control method and control program of master device are provided. According to the present invention, in the connection less communication, no matter in operation or not, the generation of the communication errors can be monitored. The master device comprises: an indication sending part, sending an indication enabling a plurality of slave devices to send an error log; an error log receiving part, receiving the error logs; and a storing part, storing the error logs by corresponding to each of the slave devices.
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公开(公告)号：US10162673B2
公开(公告)日：2018-12-25
申请号：US14951581
申请日：2015-11-25
申请人： OMRON Corporation
摘要： A controller enables execution of control programs in parallel using a multi-core processor in shorter cycles without causing communication collisions. The controller executes control programs in multiple cycles. In accordance with the priorities assigned to a control program 1 and a control program 2, the controller controls the timing to execute communication associated with the control program 2 without colliding with communication with external devices associated with the control program 1.
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公开(公告)号：US11251990B2
公开(公告)日：2022-02-15
申请号：US16639741
申请日：2019-01-22
申请人： OMRON Corporation
IPC分类号： H04L12/403 , G05B19/042 , H04L12/24 , H04L12/26
摘要： Provided is a control device comprising a communication management part and a user application processing part. The user application processing part is for detecting slave devices, which are communication targets of control data having been set using a setting tool, and the slave devices are connected to a filed bus. The communication management part is for managing the communication of the control data in accordance with a control cycle. The communication management part determines the control cycle using a pre-stored propagation delay time for each of the slave devices that are the communication targets of the control data.
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公开(公告)号：US10523761B2
公开(公告)日：2019-12-31
申请号：US15381128
申请日：2016-12-16
申请人： OMRON Corporation
摘要： The invention is adapted to acquire more useful log data. A master device (4) includes a timer element (45), adapted to acquire a moment; an instruction sending element (421), adapted to synchronize a moment measured by a slave timer element (14) of slave devices (1-3) with a moment acquired by the timer element (45) according to a time synchronization instruction containing moment information corresponding to the moment acquired by the timer element (45); and a slave log receiving element (423), adapted to receive slave logs (131).
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公开(公告)号：US11811547B2
公开(公告)日：2023-11-07
申请号：US17434210
申请日：2020-02-18
申请人： OMRON CORPORATION
CPC分类号： H04L12/28 , H04J3/0638 , H04L67/12
摘要： A control system, apparatus, and method are provided. In the control system, plural apparatuses in time synchronization with one another are connected to a network, and the network transfers a frame periodically exchanged by the apparatuses. The apparatuses include a control device and an apparatus controlled by the control device. Each apparatus in the control system is connected over the network, to a first apparatus that transmits a frame that arrives at each of the apparatuses and a second apparatus that receives a frame transmitted from each of the apparatuses. Each apparatus includes information on a frame transfer path and transfer timing based on a synchronous time. When a frame does not arrive at defined time through the transfer path and when a condition associated with a cycle is satisfied, one or more of the apparatuses is configured to transmit a resend request through the transfer path.
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公开(公告)号：US11323323B2
公开(公告)日：2022-05-03
申请号：US16642020
申请日：2018-10-01
申请人： OMRON Corporation
发明人： Mitsuhiro Yoneda , Shigenori Sawada
IPC分类号： H04L41/0816 , H04L41/0893 , H04L69/28
摘要： A rule for transferring data over a communication network is changed for each communication apparatus without spending time and cost. In a communication system in which a plurality of communication apparatuses are connected to a network, at least one of the plurality of communication apparatuses includes rule storage means for storing a plurality of transfer rules for transferring data over the network, transfer means for transferring data incoming over the network in accordance with one of the plurality of transfer rules, and rule switching means for switching one transfer rule to another transfer rule when the communication apparatus receives a notification from the outside.
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公开(公告)号：US11269313B2
公开(公告)日：2022-03-08
申请号：US16643830
申请日：2019-02-01
申请人： OMRON Corporation
IPC分类号： G05B19/4155 , G05B19/408 , G06F9/48
摘要： A controller includes a processor and a communication circuit. The controller controls an object of control by sequentially repeating, on a predetermined control cycle, the transmission of the output data, the reception of the input data, and execution of a control program for generating the output data using the input data. In the transmission of the output data, the processor executes: storing of the output data in a frame, the output data having been generated by the execution of the control program in a previous control cycle; and control of the communication circuit such that the frame, in which the output data is stored, is transmitted to the object of control. The processor executes, in a current control cycle, at least a part of the storing of the output data in a frame that is to be executed in a next control cycle.
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9.发明授权公开(公告)号：US11092945B2
公开(公告)日：2021-08-17
申请号：US16640057
申请日：2019-01-22
申请人： OMRON Corporation
发明人： Yasushi Yamawaki , Shigenori Sawada , Kojiro Baba
IPC分类号： H04L12/40 , H04L12/26 , G05B19/418
摘要： Provided is a control device comprising a communication management part, a computation part, and a result output part. The communication management part is for managing data communication using cyclic communication conforming to a prescribed communication cycle with respect to a field network. The computation part is for measuring a propagation delay time from received data corresponding to actual measurement data for a propagation delay having been transmitted to the field network, and detecting an operation state of the field network using the propagation delay time measurement result. The result output part is for outputting the result of the detection performed by the computation part.
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公开(公告)号：US11563599B2
公开(公告)日：2023-01-24
申请号：US16621248
申请日：2018-07-03
申请人： OMRON Corporation
发明人： Shigenori Sawada
IPC分类号： G05B9/03 , G05B19/05 , G05B19/418 , H04L12/40 , H04L12/437 , H04L41/0659 , H04L41/0663 , H04L43/045 , H04L43/12 , H04L67/12 , H04L69/00
摘要： This control system is provided with a controller, a controller which is a loopback communication device, a first communication route, and a second communication route. The controller generates and transmits control frames to slave devices. The controller performs loopback communication of the control frames. In the first communication route, multiple slave devices are connected between the controller and the controller using communication cables. In the second communication route, the first controller and the second controller are connected over a communication cable.
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