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Network management device, management method, management program, and recording medium

A technology for managing devices and networks, applied in ring networks, program control, data exchange through path configuration, etc., can solve problems such as incomprehension, increased wiring locations, and complicated wiring

Active Publication Date: 2021-10-26
ORMON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in order to form a ring topology, it is necessary to wire the communication cables in a ring, which increases the number of necessary wiring locations, resulting in complicated and difficult-to-understand wiring.

Method used

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  • Network management device, management method, management program, and recording medium
  • Network management device, management method, management program, and recording medium
  • Network management device, management method, management program, and recording medium

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Embodiment Construction

[0027] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the following embodiments, a management device in a network system conforming to the Ethernet for Control Automation Technology (EtherCAT (registered trademark)) standard will be described, but the object of the present invention is not limited thereto. The present invention can be applied to any network system including one or more nodes.

[0028] (overall structure of the system)

[0029] figure 1 It is a block diagram showing a schematic configuration of the industrial network system 100 according to one embodiment of the present invention. The industrial network system 100 includes: a network including a master device 1 and a slave device 2 connected to the master device 1 ; and a management device 3 connected to the master device 1 . The master device 1 and the slave device 2 are connected by a cable 4 suitable for EtherCAT communication, and the slav...

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PUM

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Abstract

Provided is a management device that assists setting of ring topology in a network configuration of actual devices. A management device 3 is a management device that manages a network including a master device 1 and a plurality of slave devices 2 connected to the master device 1, and is provided with: an actual configuration information acquisition unit 332 that acquires, from the master device 1, actual configuration information D3 of an actual network; and a ring topology detection unit 333 that, on the basis of the actual configuration information D3, detects ring topology constituted of the plurality of slave devices 2, and identifiably displays the ring topology on an actual network configuration diagram that is displayed on the basis of the actual configuration information D3.

Description

technical field [0001] The present invention relates to a management device, a management method, and a management program for managing a network including nodes such as a master device and a slave device. Background technique [0002] In factory automation (Factory Automation, FA), production equipment installed in a factory is controlled through an industrial network system including various slave machines for data collection and control of production equipment. ) device, and a node (node) such as a master device that centrally manages a plurality of slave devices. [0003] Many failures in production equipment of factories such as manufacturing lines are problems related to network communication. If a problem occurs with network communication, a problem with applications such as motion control and safety control running concurrently on the system also occurs. [0004] As one means for solving communication failures in such a network, redundancy of the network is ensured...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/42
CPCH04L12/42G05B19/41855H04L41/0806H04L41/12H04L41/0853H04L41/22G05B19/054G05B2219/31155Y02P90/02
Inventor 池尾裕二
Owner ORMON CORP