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Digital quantity output board card based on EtherCAT

A digital output, board technology, applied in instruments, computer control, simulators, etc., can solve problems such as inability to achieve synchronous output

Pending Publication Date: 2021-04-27
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

[0004] Existing digital output boards cannot achieve synchronous output when outputting multiple digital signals

Method used

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  • Digital quantity output board card based on EtherCAT
  • Digital quantity output board card based on EtherCAT
  • Digital quantity output board card based on EtherCAT

Examples

Experimental program
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Embodiment Construction

[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0025] An embodiment of the present invention provides a digital output board based on EtherCAT, such as figure 1 As shown, it includes: a slave station controller 11, a microprocessor 12 and a signal output circuit 13, wherein,

[0026] The slave station controller 11 is used to receive the data packet sent by the master stati...

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Abstract

The invention provides an EtherCAT-based digital quantity output board card, which comprises: a slave station controller used for sending master station data to a microprocessor; the microprocessor used for outputting multiple paths of digital quantity output control signals according to the received data; and a signal output circuit comprising a plurality of output channels, wherein each output channel is used for outputting a digital quantity signal according to a digital quantity output control signal, each output channel comprises a D trigger and a solid-state relay, the D trigger inputs the digital quantity output control signal output by the microprocessor, the control end of the solid-state relay is connected with the output end of the D trigger, the output end of the solid-state relay outputs a digital quantity signal, and the D trigger of each output channel outputs a control signal according to the input digital quantity to control the solid-state relay connected with the D trigger, so that synchronous output of the solid-state relays of the multiple output channels is realized.

Description

technical field [0001] The invention relates to the technical field of industrial automation, in particular to an EtherCAT-based digital output board. Background technique [0002] EtherCAT was proposed by Beckhoff in Germany. Due to its high real-time network performance, flexible topology, and simple system configuration, it has been more and more widely used. For example, EtherCAT-based modular PLC products have been launched. As the core component of modular PLC, digital output boards are used to output digital signals and control field devices. [0003] In the process of realizing the present invention, the inventor found that there are at least the following technical problems in the prior art: [0004] Existing digital output boards cannot achieve synchronous output when outputting multiple channels of digital signals. Contents of the invention [0005] In order to solve the above problems, the present invention provides an EtherCAT-based digital output board, whi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042
CPCG05B19/0423G05B2219/25257
Inventor 林浩陈海赵德政张彪霍书侠林国章张超
Owner 中电智能科技有限公司
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