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Scheduling system

A scheduling system and link scheduling technology, applied in the direction of comprehensive factory control, electrical program control, comprehensive factory control, etc., can solve the problems that the measurement equipment cannot upload data and cannot meet the requirements of the industrial department for real-time acquisition of measurement data, etc.

Pending Publication Date: 2021-04-16
ZHEJIANG SUPCON TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] This application provides a scheduling system, the purpose of which is to solve the problem that the measurement equipment cannot upload data and cannot meet the requirements of the industrial department for real-time acquisition of measurement data when the scheduling equipment fails.

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Embodiment Construction

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0031] figure 1 A schematic structural diagram of a scheduling system provided for the implementation of this application. Such as figure 1 As shown, the dispatching system includes a communication bus, two dispatching devices and three data collection devices (data collection device 1, data collection device 2 and data collection device 3). Wherein, the communication bus is a BLVDS (Bus Low Voltage Differential Signaling) bus, and the BLVDS_P terminal and the BLVDS_N terminal are...

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Abstract

The invention provides a scheduling system, which comprises a communication bus, a data acquisition deviceand a plurality of (two or more than two) scheduling devices, and each scheduling device has a link scheduling function. In the plurality of scheduling devices, one is a work scheduling device, and the rest are standby scheduling devices. And the work scheduling device is used for sending a token to the data acquisition device through the communication bus after starting a link scheduling function, so that the data acquisition device returns pre-acquired data to the work scheduling device through the communication bus after receiving the token. The standby scheduling devices are used for starting a link scheduling function under the condition that the token is monitored from the communication bus within a preset time length to become a work scheduling device. Therefore, the data acquisition device can continuously upload the data. According to the scheme provided by the invention, under the condition that the current work scheduling device fails, the standby scheduling device becomes new work scheduling equipment, and the problem that the measurement equipment cannot upload data under the condition that the scheduling device fails is solved.

Description

technical field [0001] The present application relates to the field of automation control, in particular to a scheduling system. Background technique [0002] In the field of industrial control, in order to make measuring devices such as sensors and transmitters periodically upload some measured values, such as temperature, humidity and pressure, etc., at present, a scheduling device and multiple measuring devices are usually designed on the communication bus. The dispatching device controls each measuring device to upload measured values ​​to the dispatching device through the communication bus. However, when the dispatching equipment fails, it will cause the measurement equipment to fail to upload data, which will greatly affect industrial production. Contents of the invention [0003] The application provides a scheduling system, which aims to solve the problem that the measurement equipment cannot upload data and cannot meet the requirements of the industrial departme...

Claims

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Application Information

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IPC IPC(8): G05B19/418
CPCY02P90/02
Inventor 陆卫军陈银桃王雅莉周位强章维
Owner ZHEJIANG SUPCON TECH
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