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Digital output card and digital output system

A digital output and output channel technology, applied in the field of data processing, can solve the problems of reliability improvement and achieve reliable fault detection and high operation stability

Active Publication Date: 2021-07-02
中电智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the reliability of the current digital output card operation needs to be improved

Method used

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  • Digital output card and digital output system
  • Digital output card and digital output system
  • Digital output card and digital output system

Examples

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Embodiment Construction

[0036] With the development of industrialization and the gradual improvement of industrial automation level, more and more attention has been paid to the application of digital output cards in programmable logic controllers (PLC). At present, the controllability and safety of the micro-control units used in some digital output cards are relatively low, and their use has limitations. In addition, the current digital output card does not have the function of recovery diagnosis, and the fault-tolerant redundancy is low. The performance of the digital output card needs to be improved.

[0037] In view of this, the invention provides a digital output card and a digital output system.

[0038] The defects in the solutions in the above prior art are all the results obtained by the inventor after practice and careful research. Therefore, the discovery process of the above problems and the solutions to the above problems proposed by the embodiments of the present invention below , sh...

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Abstract

The invention relates to a digital quantity output card and a digital quantity output system, and relates to the technical field of data processing. The digital output card includes a slave station controller, a microprocessor, a digital isolator and an output channel group. The output channel group includes multiple output channels. The slave station controller is used to receive the data packets sent by the master station controller and process the data packets. Analyze and obtain the data to be output, and send the data to be output to the microprocessor; the microprocessor performs output distribution processing on the data to be output, obtains the control signal corresponding to each output channel and controls each output channel to perform voltage output; the digital isolator is used for Collect the output voltage of each output channel, and judge whether there is an output voltage exceeding the preset range; when there is an output voltage exceeding the preset range, the digital isolator generates fault information corresponding to the output channel that outputs the output voltage, and sends the fault The information is transmitted to the master station controller. As a result, reliable fault detection can be performed on the digital output card.

Description

technical field [0001] The invention relates to the technical field of data processing, in particular to a digital output card and a digital output system. Background technique [0002] With the improvement of the automation level, the application of programmable controllers in industrial environments has become more and more important. As one of the important components of programmable controllers, digital output cards have been favored by more and more industry developers. attention. However, the reliability of the current digital output card operation needs to be improved. Contents of the invention [0003] In view of this, the present invention provides a digital output card and a digital output system. [0004] In the first aspect, an embodiment of the present invention provides a digital output card, the digital output card includes a slave station controller, a microprocessor, a digital isolator and an output channel group, and the output channel group includes a ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/05
CPCG05B19/054
Inventor 赵德政王永峰林浩郭肖旺贡春燕范文斌郝瑞华封成玉原崇蛟
Owner 中电智能科技有限公司
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