Monitoring system with configurable communication protocol

A communication protocol and monitoring system technology, which is applied in the field of monitoring systems where the communication protocol can be configured by the user, can solve the problems of increasing the cost of the user's development and control system, etc.

Inactive Publication Date: 2012-05-30
NAT SPACE SCI CENT CAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This will increase the cost of the

Method used

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  • Monitoring system with configurable communication protocol
  • Monitoring system with configurable communication protocol
  • Monitoring system with configurable communication protocol

Examples

Experimental program
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Embodiment Construction

[0034] The present invention will be described in detail below in combination with specific embodiments.

[0035] In the self-defined communication protocol monitoring software, in order to realize the communication between the upper computer monitoring software and various space science experiment equipment, it is assumed that the framework of the Modbus communication protocol is used to realize the self-defined communication protocol. The RTU transmission mode is used in the system, and its data format is:

[0036] Byte length: customizable (usually 8 bits); stop bit: customizable (usually 1); parity bit: customizable (usually none); baud rate: customizable (usually 9600bps).

[0037] The data frame format is as follows:

[0038] address code

function code

data

CRC check

one byte

one byte

N bytes

two bytes

[0039] The address code is composed of one byte, and its value range is 1-247. The address of the device to be addre...

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Abstract

The invention provides a monitoring system with configurable communication protocol. The system comprises an upper computer module and its monitoring software, a lower computer module and its monitoring software. The lower computer module adopts existing communication protocol architecture to self-define communication protocol, and utilizes the same upper computer monitoring software to realize monitoring of multiple monitored objects conforming to the communication protocol architecture. The lower computer module comprises a command analysis sub-module for receiving command sent from the upper computer, judging its type, performing data verification on the command, and executing operation required by the command when it is determined to be a correct command; a data verification sub-module for performing data verification on all commands, to confirm correctness of command receiving/sending; and a data sending sub-module for sending a handshaking signal to the upper computer when a correct command is received by the lower computer module, and sending required data to the upper computer if the upper computer commands the lower computer to send data.

Description

technical field [0001] The present invention relates to monitoring equipment, in particular, the present invention relates to a monitoring system in which communication protocols can be configured by users themselves. Background technique [0002] The upper computer software monitoring system currently used in industry can only increase the existing lower computer monitoring equipment. For example, the Kingview software is embedded with the communication protocols of most industrial controllers such as Siemens and Omron. For different lower computer controllers, as long as the corresponding equipment is selected in the software, it can be monitored. But for the lower computer equipment developed by itself, the software cannot monitor it. [0003] In the monitoring of space science experimental equipment, due to the diversity of experimental equipment, in the past, a host computer monitoring software was developed for a specific equipment. At present, there is no general mo...

Claims

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Application Information

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IPC IPC(8): G05B19/048H04L29/06
Inventor 于强周炳红
Owner NAT SPACE SCI CENT CAS
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