Method for operating an automation network, automation network, and computer program product

A technology for automatic network and network equipment, applied in the direction of bus network, network interconnection, network connection, etc., can solve problems such as high system complexity, and achieve the effects of simplified data modeling, reduced management overhead, and small bandwidth

Active Publication Date: 2019-12-13
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Using different protocols on many different devices creates high system complexity

Method used

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  • Method for operating an automation network, automation network, and computer program product
  • Method for operating an automation network, automation network, and computer program product
  • Method for operating an automation network, automation network, and computer program product

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0063] exist figure 1 In the first exemplary embodiment shown in , the automation network 1 has a gateway device 2 , a database device 3 and a network device 4 . The network device 4 is a field device device. The field device device 4 , the gateway device 2 and the database device 3 are communicatively connected to each other via a connection line V shown with a solid line.

[0064] Next, the operation of the automation network 1 is described. In this respect, the corresponding operating method is implemented by the illustrated gateway device 2 and the illustrated network devices 3 , 4 , which implement the corresponding method steps.

[0065] The field device device 4 collects the measurement data MD and at the gateway device 2, in the first release flag PK with e.g. the content " / fieldData" 1 Next, as the first published data PD 1 , release measurement data MD. To this end, the field device device 4 sends to the gateway device 2 an MQTT "PUBLISH (publish)" message (publis...

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PUM

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Abstract

The invention relates to an operating method for an automation network (1) having a gateway device (2) and a plurality of network devices (3, 4, 5), wherein the network devices (3, 4, 5) subscribe tosubscription data (AD2) from the gateway device (2) by means of a respectively associated subscription identifier (AK2) and publish publication data (PD1) under a respectively associated publication identifier (PK1). The gateway device (2) publishes publication data (PK1) as subscribed subscription data (AD1) under a respective subscription identifier (AK1). The network devices (3, 4, 5) are a field instrument device (4) and a database device (3), which subscribe, save, provide and / or publish measurement (MD) and / or control data (SD) of the field instrument device (4), device data (GD) via network devices (3, 4, 5) present in the automation network (1), and user data (BD) via users of the network devices (3, 4, 5). The data (MD, SD, BD, GD) are transmitted via the gateway device (2) according to a specified protocol by subscribing and publishing.

Description

technical field [0001] The invention relates to a method of operating an automation network, an automation network and a computer program product. Background technique [0002] The automation network includes field devices, such as controllers, converters and measuring devices, and a central control unit, with which the field devices usually communicate via a communication bus, such as Profinet, Profibus or Modbus. Cloud-based database devices are known as central control devices in large-scale distributed automation networks. The field devices in the distributed automation network communicate with the database devices via corresponding protocols. [0003] Furthermore, in distributed automation networks, device data about the field devices in the network and user data about the users of the devices in the network are required in order to coordinate the operation of the automation network. Additional protocols optimized for management tasks, such as SQL or TCP Sockets, are ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/40H04L12/46H04L29/08
CPCH04L12/40169H04L12/4625H04L2012/4026H04L67/12H04L67/10H04L67/56H04L12/66H04L67/55
Inventor D.布赫斯塔勒
Owner SIEMENS AG
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