CN102263836B - Address automatic identification device of communication module - Google Patents
Address automatic identification device of communication module Download PDFInfo
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- CN102263836B CN102263836B CN 201110196766 CN201110196766A CN102263836B CN 102263836 B CN102263836 B CN 102263836B CN 201110196766 CN201110196766 CN 201110196766 CN 201110196766 A CN201110196766 A CN 201110196766A CN 102263836 B CN102263836 B CN 102263836B
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- 238000004891 communication Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The invention relates to an address automatic identification device of a communication module, belonging to the technical field of electronic circuits. The device comprises a PLC (programmable logic controller) or computer (1), a master station (2) and a plurality of substations (3, 4 and 5), wherein the PLC or computer is connected with the master station by a data line (8); the master station is connected with the plurality of substations by block lines (7) and data lines (9); the substations are connected by information trunks (6) and the substations are connected with the master station by the information trucks (6); and the information trucks are used for initializing addresses, the block lines are used for automatically resetting a module, and the data lines are used for realizing the normal communications, thus realizing the automatic allocation of the addresses of the field communication substations. The device has the beneficial effects that the device is in no need of configuring parameters when the module is replaced, can realize the plug and play, and is convenient and flexible to use; the workload of field workers is reduced, and the working efficiency is improved; and a method is utilized to realize the automatic allocation of the addresses of the field communication substations.
Description
Technical field
The present invention relates to a kind of communication module address automatic identification equipment, belong to the electronic circuit technology field.
Background technology
At present, the communication module that is connected with PLC or computer all needs to arrange the address, and on-the-spot replacing, maintenance all need to reset, and use very inconvenient.
Summary of the invention
The object of the invention provides a kind of communication module address automatic identification equipment, changes module and need not to carry out parameter setting, plug and play, be easy to use flexibly, reduce field personnel's workload, improved operating efficiency, solved the problems referred to above that exist in the background technology.
Technical scheme of the present invention is: a kind of communication module address automatic identification equipment, comprise PLC or computer, a main website and some substations, PLC or computer are connected with main website by data wire, main website is connected with some substations with data wire by the locking line, is connected by information trunk between each substation and between substation and the main website.
The schematic diagram of device main website and substation is the same, and just control program is different.
Main website comprises single-chip microcomputer, analog switch, is responsible for initialization substation, address assignment, uses the single-chip microcomputer STC89C58 of macrocrystalline science and technology to be responsible for logical operation and control, and analog switch CD4066 is responsible for the opening and closing of information trunk; Device has four lines, an information trunk, a locking line, two data lines; Information trunk is responsible for initialization address, and the locking line is realized automatically reseting of module, and data wire is realized normal communication, distributes automatically through the address of having realized the local communication substation by this method.
Good effect of the present invention is: the present invention changes module and need not to carry out the parameter setting, plug and play is easy to use flexibly, has reduced field personnel's workload, improved operating efficiency, distributed automatically through the address of having realized the local communication substation by this method.
Description of drawings
Accompanying drawing 1 is the structural representation of the embodiment of the invention;
Accompanying drawing 2 is embodiment of the invention schematic diagrams;
Accompanying drawing 3 is analog switch CD4066 schematic diagrames;
Among the figure: PLC or computer 1, main website 2, substation 3,4,5, information trunk 6, locking line 7, data wire 8,9.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described by embodiment.
Among the embodiment, a kind of communication module address automatic identification equipment, comprise PLC or computer 1, main website 2 and some substations 3,4,5, PLC or computer are connected with main website by data wire 8, main website is connected with some substations with data wire 9 by locking line 7, is connected by information trunk 6 between each substation and between substation and the main website.
Main website comprises single-chip microcomputer, analog switch, is responsible for initialization substation, address assignment, uses the single-chip microcomputer STC89C58 of macrocrystalline science and technology to be responsible for logical operation and control, and analog switch CD4066 is responsible for the opening and closing of information trunk.
Four bidirectional analog switch CD4066 pin function and operation principles are with reference to accompanying drawing 3.
The pin function of CD4066 is as follows.There are four independently analog switches each encapsulation inside, and each analog switch has input, output, three terminals of control, and wherein input and output are interchangeable.When control end adds high level, switch conduction; Switch ends when control end adds low level.During the analog switch conducting, conducting resistance is tens ohm; When analog switch ends, present very high impedance, can regard as is open circuit.But analog switch transmission of digital signals and analog signal, the upper limiting frequency of the analog signal that can transmit are 40MHz.Crosstalking of each switch room is very little, and representative value is-50dB.
The device course of work:
The single-chip microcomputer STC89C58 of main website control program at first operation locking line makes its locking line produce the low level pulse of a fixed width, substation is judged pulse duration after receiving pulse, if reset pulse then all substations reset and close analog switch CD4066; Then main website again the action queries line produce the low level pulse of a certain width, this pulse is the pulse of initialization substation 3, substation 3 receives pulse, the substation of back does not receive, substation 3 is resolved, is judged after receiving pulse, if it is correct to distribute the pulse of own address to remember that then main website is replied by communication simultaneously in the address of oneself, open the analog switch CD4066 of oneself then, make information trunk connect substation 4; Same main website action queries line produces the low level pulse of a certain width, this pulse is the pulse of initialization substation 4, substation 4 receives pulse, the substation of back does not receive, substation 4 is resolved, is judged after receiving pulse, if it is correct to distribute the pulse of own address to remember that then main website is replied by communication simultaneously in the address of oneself, open the analog switch CD4066 of oneself then, make information trunk connect substation 5; The main website substation 5 that reinitializes down successively up to having operated all substations, all the address has assigned, if mistake occurs in the process of distribution address, then main website can reinitialize substation and redistributes, after initialization was successfully finished, computer or PLC just can be by main website and the free communications of each substation.
Claims (1)
1. communication module address automatic identification equipment, it is characterized in that comprising PLC, a main website (2) and some substations (3,4,5), PLC is connected with main website by data wire (8), main website is connected with some substations with data wire (9) by locking line (7), is connected by information trunk (6) between each substation and between substation and the main website; Main website comprises single-chip microcomputer, analog switch, is responsible for initialization substation, address assignment, and single-chip microcomputer STC89C58 is responsible for logical operation and control, and analog switch CD4066 is responsible for the opening and closing of information trunk; Device has four lines, an information trunk, a locking line, two data lines; Information trunk is responsible for initialization address, and the locking line is realized automatically reseting of module, and data wire is realized normal communication, realizes that by this method the address of local communication substation is distributed automatically; The single-chip microcomputer STC89C58 of main website control program at first operation locking line makes its locking line produce the low level pulse of a fixed width, substation is judged pulse duration after receiving pulse, if reset pulse then all substations reset and close analog switch CD4066; Then main website (2) again the action queries line produce the low level pulse of a certain width, this pulse is the pulse of initialization first substation (3), first substation (3) receives pulse, the substation of back does not receive, resolve, judge after first substation (3) receives pulse, if it is correct to distribute the pulse of own address to remember that then main website is replied by communication simultaneously in the address of oneself, open the analog switch CD4066 of oneself then, make information trunk connect second substation (4); Same main website action queries line produces the low level pulse of a certain width, this pulse is the pulse of initialization second substation (4), second substation (4) receives pulse, the substation of back does not receive, resolve, judge after second substation (4) receives pulse, if it is correct to distribute the pulse of own address to remember that then main website is replied by communication simultaneously in the address of oneself, open the analog switch CD4066 of oneself then, make information trunk connect the 3rd substation (5); Main website the 3rd substation (5) that reinitializes down successively up to having operated all substations, all the address has assigned, if mistake occurs in the process of distribution address, then main website can reinitialize substation and redistributes, after initialization was successfully finished, PLC was by main website and the free communication of each substation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110196766 CN102263836B (en) | 2011-07-14 | 2011-07-14 | Address automatic identification device of communication module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110196766 CN102263836B (en) | 2011-07-14 | 2011-07-14 | Address automatic identification device of communication module |
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| Publication Number | Publication Date |
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| CN102263836A CN102263836A (en) | 2011-11-30 |
| CN102263836B true CN102263836B (en) | 2013-09-04 |
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| CN 201110196766 Active CN102263836B (en) | 2011-07-14 | 2011-07-14 | Address automatic identification device of communication module |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102957761B (en) * | 2012-11-01 | 2016-08-10 | 奇点新源国际技术开发(北京)有限公司 | A kind of communication network connecting device, mailing address distribution method and bus access device |
| CN106406181A (en) * | 2016-11-10 | 2017-02-15 | 山东开创电气有限公司 | CAN device automatic identification method and mine belt protection system |
| CN108230640B (en) * | 2016-12-21 | 2021-03-19 | 成都长城开发科技有限公司 | Concentrator of automatic meter reading system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201321276Y (en) * | 2008-12-29 | 2009-10-07 | 鄂尔多斯市隆圣矿山机电有限责任公司 | Integrative protecting system of long-range belt-type conveyor |
| CN202166862U (en) * | 2011-07-14 | 2012-03-14 | 唐山智诚电气有限公司 | Communication module address automatic recognition device |
-
2011
- 2011-07-14 CN CN 201110196766 patent/CN102263836B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201321276Y (en) * | 2008-12-29 | 2009-10-07 | 鄂尔多斯市隆圣矿山机电有限责任公司 | Integrative protecting system of long-range belt-type conveyor |
| CN202166862U (en) * | 2011-07-14 | 2012-03-14 | 唐山智诚电气有限公司 | Communication module address automatic recognition device |
Non-Patent Citations (2)
| Title |
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| 基于AT89C52的综采工作通信控制系统的设计;陈国强;《工矿自动化》;20070430;全文 * |
| 陈国强.基于AT89C52的综采工作通信控制系统的设计.《工矿自动化》.2007,全文. |
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| CN102263836A (en) | 2011-11-30 |
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Address after: 063021 No. 168, Kai Yue Road, Kaiping District, Hebei, Tangshan City Patentee after: TANGSHAN ZHICHENG ELECTRICAL (GROUP) CO.,LTD. Address before: 063021 No. 168, Kai Yue Road, Kaiping District, Hebei, Tangshan City Patentee before: Tangshan Zhicheng Electric Co.,Ltd. |
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Inventor after: Xiao Weixiong Inventor after: Zhang Zhiqiang Inventor after: Zhang Lei Inventor before: Xiao Weixiong Inventor before: Ma Yongfei |
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Effective date of registration: 20171025 Address after: 063000, Tangshan City hi tech Industrial Park, Xichang Road, Hebei entrepreneurial center A seat 405-1 Patentee after: Tangshan DHC Energy Technology Co.,Ltd. Address before: 063021 No. 168, Kai Yue Road, Kaiping District, Hebei, Tangshan City Patentee before: TANGSHAN ZHICHENG ELECTRICAL (GROUP) CO.,LTD. |
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Effective date of registration: 20230118 Address after: No.168, Kaiyue Road, Kaiping District, Tangshan City, Hebei Province 063000 Patentee after: TANGSHAN ZHICHENG ELECTRICAL (GROUP) CO.,LTD. Address before: 063000 405-1, block a, Xichang Road entrepreneurship center, Tangshan hi tech Industrial Park, Hebei Province Patentee before: Tangshan DHC Energy Technology Co.,Ltd. |