Onsite-level low-cost redundancy measuring and controlling network based on wired and wireless hot spare redundancy communication

A redundant communication and wired communication technology, applied in the direction of comprehensive factory control, comprehensive factory control, electrical program control, etc., can solve the problem of high operating costs and achieve the effect of improving reliability

Active Publication Date: 2012-09-26
CHENGDU RUITE DIGITAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] 3) The operating cost is high. If this solution is used to build a measurement and control platform for the industrial station system, each node in the station needs an IP or a SIM card for mobile communication.

Method used

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  • Onsite-level low-cost redundancy measuring and controlling network based on wired and wireless hot spare redundancy communication
  • Onsite-level low-cost redundancy measuring and controlling network based on wired and wireless hot spare redundancy communication
  • Onsite-level low-cost redundancy measuring and controlling network based on wired and wireless hot spare redundancy communication

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Experimental program
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Embodiment Construction

[0027] The present invention will be described in detail below in conjunction with specific embodiments.

[0028] Field-level low-cost redundant measurement and control network based on wired and wireless hot standby redundant communication:

[0029] (1) Application occasions - field-level measurement and control network

[0030] in such as figure 1 In the field-level measurement and control network using the master-slave communication mode shown, the master polls / controls the slaves to obtain the status of the slaves and the monitoring objects of the slaves, or controls the corresponding controlled objects through the slaves.

[0031] (2) Slave

[0032] A slave in the system is an I / O module with wired and wireless redundant communication capabilities. refer to figure 2 , the slave machine can use a variety of embedded platforms, such as using ARM, DSP, MSP430 or 51 single-chip microcomputer as the central processor / controller, and then equipped with peripheral I / O and i...

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Abstract

The invention discloses an onsite-level low-cost redundancy measuring and controlling network based on wired and wireless hot spare redundancy communication, which comprises a host computer and a slave computer, wherein the slave computer is polled/controlled by the host computer; the states of the slave computer and a monitored object of the slave computer are obtained or a corresponding controlled object is controlled by the slave computer; the wired communication and wireless communication of the host computer and the slave computer are both on-line during a working process; one of the communication modes is selected by the host computer, so as to communicate the host computer with the slave computer; preferably, the wired mode is selected for communication; and the network is a reliable onsite measuring and controlling network with zero-cost communication operation. No additional redundancy management equipment is required; the cost is saved; a redundancy communication network structure is simplified; and the installment of the system is especially simple and quick, so that the installing cost is low and the period is short.

Description

technical field [0001] The invention relates to a field-level low-cost redundant measurement and control network based on wired and wireless hot standby redundant communication. Background technique [0002] In the field of industrial applications, the field bus control system FCS has matured and gradually replaced the original distributed control system DCS. FCS has the advantages of simple installation, high degree of digitalization, fault diagnosis and protection operation according to default values. It can save costs for users, improve the level of automation and the level of intelligence of the system. [0003] However, most field buses use a bus-type structure. If one of the nodes goes offline, the bus communication may be interrupted, and the host in the bus network will not be able to access the nodes after the interruption point, resulting in a high risk of communication reliability. Therefore, some buses adopt a ring network structure. When a node goes offline, ...

Claims

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Application Information

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IPC IPC(8): G05B19/418H04L69/14
CPCY02P90/02
Inventor 孟祥印唐磊孟祥峰唐波车小伟
Owner CHENGDU RUITE DIGITAL TECH
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