CN106681240A - Multi-channel data acquisition system based on Modbus - Google Patents
Multi-channel data acquisition system based on Modbus Download PDFInfo
- Publication number
- CN106681240A CN106681240A CN201710155629.7A CN201710155629A CN106681240A CN 106681240 A CN106681240 A CN 106681240A CN 201710155629 A CN201710155629 A CN 201710155629A CN 106681240 A CN106681240 A CN 106681240A
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- Prior art keywords
- acquisition circuit
- temperature
- chip microcomputer
- master controller
- voltage
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- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention provides a multi-channel data acquisition system based on a Modbus. The system comprises a first temperature acquisition circuit, a second temperature acquisition circuit, a third temperature acquisition circuit, a first voltage acquisition circuit, a second voltage acquisition circuit and a third voltage acquisition circuit. The first temperature acquisition circuit, the second temperature acquisition circuit, the third temperature acquisition circuit, the first voltage acquisition circuit, the second voltage acquisition circuit and the third voltage acquisition circuit are connected with one six-channel analog signal selector, the six-channel analog signal selector is connected with an A/D converter which is connected with a single chip microcomputer master controller, and the single chip microcomputer master controller is connected with an upper computer. The instantaneity and reliability of temperature acquisition and voltage acquisition are obviously improved, the collected temperature data and voltage data do not generate errors in the transmission process, and the accuracy of the data is guaranteed.
Description
Technical field
The present invention relates to data acquisition technology field, particularly a kind of multi-path data acquiring system based on Modbus.
Background technology
In industry spot, the real-time and reliability of temperature and voltage acquisition is most important, but due to acquisition system
Job insecurity causes temperature voltage data to produce error, and production accident is caused when serious.
The content of the invention
To solve above-mentioned technical problem, the invention provides a kind of multi-path data acquiring system based on Modbus, it is special
Levy and be, including the first temperature collection circuit, second temperature Acquisition Circuit, the 3rd temperature collection circuit, first voltage collection electricity
Road, second voltage Acquisition Circuit, tertiary voltage Acquisition Circuit, first temperature collection circuit, second temperature Acquisition Circuit,
Three temperature collection circuits, first voltage Acquisition Circuit, second voltage Acquisition Circuit, tertiary voltage Acquisition Circuit connect respectively one or six
Road analog signal selector, the six analog signal selector connects an A/D converter, and the A/D converter connection one is single
Piece owner's controller, the single-chip microcomputer master controller is connected with a host computer；
The single-chip microcomputer master controller serial ports is carried out data transmission with host computer string by Modbus communication protocols, the list
The voltage for collecting and temperature signal are transferred on host computer and are shown by piece owner controller；
First temperature collection circuit, second temperature Acquisition Circuit, the 3rd temperature collection circuit, first voltage Acquisition Circuit,
Second voltage Acquisition Circuit, tertiary voltage Acquisition Circuit are used to obtain temperature and voltage signal, and in the six analog signal
Path selection, the control that the six analog signal selector is exported by single-chip microcomputer master controller logic are carried out under the control of selector
Signal processed is controlled, after data acquisition is input to single-chip microcomputer master controller, according to single-chip microcomputer master controller and host computer thing
The Modbus transport protocol parameters for first setting, single-chip microcomputer master controller between serial ports and computer with regard to by being communicated；On
Position machine sends command word, and single-chip microcomputer master controller carries out inquiry parsing, and control logic performs command word.
The invention has the advantages that：
The real-time and reliability of the multi-path data acquiring system based on Modbus that the present invention is provided, temperature and voltage acquisition
Property be significantly improved, the temperature data for collecting and voltage data will not produce error in transmitting procedure, it is ensured that data
Accuracy.
Certainly, the arbitrary product for implementing the present invention it is not absolutely required to while reaching all the above advantage.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, use required for describing to embodiment below
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, can be attached to obtain others according to these accompanying drawings
Figure.
The multi-path data acquiring system schematic diagram based on Modbus that Fig. 1 is provided for the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is all other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
A kind of multi-path data acquiring system based on Modbus is embodiments provided, it includes the first temperature acquisition
Circuit, second temperature Acquisition Circuit, the 3rd temperature collection circuit, first voltage Acquisition Circuit, second voltage Acquisition Circuit, the 3rd
Voltage collection circuit, first temperature collection circuit, second temperature Acquisition Circuit, the 3rd temperature collection circuit, first voltage
Acquisition Circuit, second voltage Acquisition Circuit, tertiary voltage Acquisition Circuit connect respectively a six analog signal selector, and described six
Road analog signal selector connects an A/D converter, and the A/D converter connects a single-chip microcomputer master controller, the single-chip microcomputer
Master controller is connected with a host computer；
The single-chip microcomputer master controller serial ports is carried out data transmission with host computer string by Modbus communication protocols, the list
The voltage for collecting and temperature signal are transferred on host computer and are shown by piece owner controller；
First temperature collection circuit, second temperature Acquisition Circuit, the 3rd temperature collection circuit, first voltage Acquisition Circuit,
Second voltage Acquisition Circuit, tertiary voltage Acquisition Circuit are used to obtain temperature and voltage signal, and in the six analog signal
Path selection, the control that the six analog signal selector is exported by single-chip microcomputer master controller logic are carried out under the control of selector
Signal processed is controlled, after data acquisition is input to single-chip microcomputer master controller, according to single-chip microcomputer master controller and host computer thing
The Modbus transport protocol parameters for first setting, single-chip microcomputer master controller between serial ports and computer with regard to by being communicated；On
Position machine sends command word, and single-chip microcomputer master controller carries out inquiry parsing, and control logic performs command word.
The real-time and reliability of the multi-path data acquiring system based on Modbus that the present invention is provided, temperature and voltage acquisition
Property be significantly improved, the temperature data for collecting and voltage data will not produce error in transmitting procedure, it is ensured that data
Accuracy.
Present invention disclosed above preferred embodiment is only intended to help and illustrates the present invention.Preferred embodiment is not detailed
All of details is described, it is only described specific embodiment also not limit the invention.Obviously, according to the content of this specification,
Can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is to preferably explain the present invention
Principle and practical application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
Limited by claims and its four corner and equivalent.
Claims (1)
1. a kind of multi-path data acquiring system based on Modbus, it is characterised in that including the first temperature collection circuit, second warm
Degree Acquisition Circuit, the 3rd temperature collection circuit, first voltage Acquisition Circuit, second voltage Acquisition Circuit, tertiary voltage collection electricity
Road, first temperature collection circuit, second temperature Acquisition Circuit, the 3rd temperature collection circuit, first voltage Acquisition Circuit,
Two voltage collection circuits, tertiary voltage Acquisition Circuit connect respectively a six analog signal selector, the six analog signal
Selector connects an A/D converter, and the A/D converter connects a single-chip microcomputer master controller, the single-chip microcomputer master controller with
One host computer connects；
The single-chip microcomputer master controller serial ports is carried out data transmission with host computer string by Modbus communication protocols, the single-chip microcomputer
The voltage for collecting and temperature signal are transferred on host computer and are shown by master controller；
First temperature collection circuit, second temperature Acquisition Circuit, the 3rd temperature collection circuit, first voltage Acquisition Circuit, second
Voltage collection circuit, tertiary voltage Acquisition Circuit are used to obtain temperature and voltage signal, and in the six analog signal behavior
Path selection is carried out under the control of device, the six analog signal selector is believed by the control that single-chip microcomputer master controller logic is exported
Number it is controlled, after data acquisition is input to single-chip microcomputer master controller, is set in advance according to single-chip microcomputer master controller and host computer
The Modbus transport protocol parameters put, single-chip microcomputer master controller between serial ports and computer with regard to by being communicated；Host computer
Command word is sent, single-chip microcomputer master controller carries out inquiry parsing, and control logic performs command word.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710155629.7A CN106681240A (en) | 2017-03-16 | 2017-03-16 | Multi-channel data acquisition system based on Modbus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710155629.7A CN106681240A (en) | 2017-03-16 | 2017-03-16 | Multi-channel data acquisition system based on Modbus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106681240A true CN106681240A (en) | 2017-05-17 |
Family
ID=58826134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710155629.7A Pending CN106681240A (en) | 2017-03-16 | 2017-03-16 | Multi-channel data acquisition system based on Modbus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106681240A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110647130A (en) * | 2019-11-19 | 2020-01-03 | 杭州和利时自动化有限公司 | Data acquisition device and DCS control system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2314573A1 (en) * | 2000-01-13 | 2001-07-13 | Z.I. Probes, Inc. | System for acquiring data from a facility and method |
| WO2012000295A1 (en) * | 2010-06-30 | 2012-01-05 | 大连理工大学 | Dual-mcu controlling multi-channel analog signal acquisition device |
| CN204479648U (en) * | 2015-01-28 | 2015-07-15 | 武汉朗宇智能科技有限公司 | A kind of data acquisition monitoring system based on STM32 |
| CN106227105A (en) * | 2016-08-29 | 2016-12-14 | 黑石测控技术（苏州）有限公司 | Distributed measurement and acquisition control system |
| CN206627797U (en) * | 2017-03-16 | 2017-11-10 | 安庆师范大学 | A kind of multi-path data acquiring system based on Modbus |
-
2017
- 2017-03-16 CN CN201710155629.7A patent/CN106681240A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2314573A1 (en) * | 2000-01-13 | 2001-07-13 | Z.I. Probes, Inc. | System for acquiring data from a facility and method |
| WO2012000295A1 (en) * | 2010-06-30 | 2012-01-05 | 大连理工大学 | Dual-mcu controlling multi-channel analog signal acquisition device |
| CN204479648U (en) * | 2015-01-28 | 2015-07-15 | 武汉朗宇智能科技有限公司 | A kind of data acquisition monitoring system based on STM32 |
| CN106227105A (en) * | 2016-08-29 | 2016-12-14 | 黑石测控技术（苏州）有限公司 | Distributed measurement and acquisition control system |
| CN206627797U (en) * | 2017-03-16 | 2017-11-10 | 安庆师范大学 | A kind of multi-path data acquiring system based on Modbus |
Non-Patent Citations (2)
| Title |
|---|
| 白帆等: "基于Modbus的多通道数据采集系统设计", 《电子世界》 * |
| 陈光等: "基于ADuC485的多路电池状态监控系统的设计", 《工业控制计算机》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110647130A (en) * | 2019-11-19 | 2020-01-03 | 杭州和利时自动化有限公司 | Data acquisition device and DCS control system |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170517 |
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| RJ01 | Rejection of invention patent application after publication |