CN104021108A - Communication equipment based on PROFIBUS-DP protocol - Google Patents
Communication equipment based on PROFIBUS-DP protocol Download PDFInfo
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- CN104021108A CN104021108A CN201410230799.3A CN201410230799A CN104021108A CN 104021108 A CN104021108 A CN 104021108A CN 201410230799 A CN201410230799 A CN 201410230799A CN 104021108 A CN104021108 A CN 104021108A
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Abstract
Communication equipment based on a PROFIBUS-DP protocol at least comprises a master station controller, a master station chip and a slave station, and the master station controller, the master station chip and the slave station are sequentially connected. The communication equipment is characterized in that a PCI port card is included, the master station chip at least comprises an RS485 port, serial-parallel and parallel-serial ports, a protocol interpretation unit, a protocol controller, a user port and an ISA port. According to the communication equipment, by means of the structural design of the master station chip, the PROFIBUS-DP protocol is completely achieved in the master station chip, an external independent CPU processing protocol is not needed, namely, the master station chip can directly process and allocate data through the protocol controller without assistance of a master station CPU, cost is low, the function of data transmission between a master station and the slave station is achieved, and meanwhile, a data processing function is achieved. Besides, the ISA port is easy and convenient to use and a user can conveniently pick up and hang up the communication equipment.
Description
Technical field:
The present invention relates to a kind of communication facilities based on PROFIBUS-DP agreement.
Background technology:
The advantages such as PROFIBUS, especially its PROFIBUS-DP, be the standard for Fieldbus that is applied at present the most applicable high-end process control application of master and slave station connection, and it has real-time good, and reliability is high, and expense is few.
Only have on the market at present a PROFIBUS main website chip, the ASPC2 of Siemens namely, but due to the monopolization thought of the companies such as Siemens to this technology, cause the quite inconvenience of exploitation PROFIBUS main website chip, cost is very high; Meanwhile, this main website chip does not have processing capacity, only plays data transmission effect, and the CPU of the processing operation Dou Shiyou main website of data is realized, and the CPU of Hui Dui main website causes heavy processing load.
Summary of the invention:
The object of the present invention is to provide a kind of communication facilities based on PROFIBUS-DP agreement, its main website chip cost is lower, not only can play data transmission effect, also has data processing function.
A communication facilities based on PROFIBUS-DP agreement, at least comprises the main station controller, main website chip and the slave station that connect successively, it is characterized in that: also comprise pci interface card, described main website chip at least comprises
RS485 interface, its one end is connected with described slave station;
Serial/parallel, parallel/serial interface, its one end is connected with the other end of described RS485 interface;
Agreement Interpretation unit, its one end is connected with the described other end serial/parallel, parallel/serial interface;
Protocol controller, its one end is connected with the other end of described agreement Interpretation unit;
User interface, its one end is connected with the other end of described protocol controller; And
ISA interface, its one end is connected with the other end of described user interface, and its other end is connected with described pci interface card;
The other end of described pci interface card is connected with described main station controller.
The present invention's communication facilities, the said structure design of its main website chip, realizes PROFIBUS-DP agreement completely at main website chip internal, no longer need an outside independently CPU processing protocol; Be that main website chip can directly be processed data and be distributed by its protocol controller, nothing again need be by CPU in master station, and cost is lower, not only can play the data transmission effect between master and slave station, also has data processing function.Meanwhile, ISA interface and pci interface card bridge joint, be convenient to and being connected of chip that requires pci interface coupling docking.
The present invention can improve by following scheme:
Described protocol controller comprises: protocol processing unit, data register, control word register, diagnostic, parametrization data register and configuration data register; Described data register, control word register, diagnostic, parametrization data register and configuration data register are connected between protocol processing unit and described user interface.Simple in structure, main website chip cost is lower, has data processing function.
Described user interface is dual port RAM interface, the sdram controller that it at least comprises the fpga logic interface that is connected with described protocol controller, be connected in SRAM between fpga logic interface and ISA interface and SDRAM, the FLASH ROM being connected with fpga logic interface and be connected with SDRAM.Simple in structure.
Accompanying drawing explanation:
Fig. 1 is frame construction drawing of the present invention.
Fig. 2 is the frame diagram to the main website chip of network message reception & disposal.
Fig. 3 is the concrete structure block diagram after the present invention's user interface is defined by user in actual applications.
Embodiment:
As shown in Figure 1, a kind of communication facilities based on PROFIBUS-DP agreement, at least comprise the main station controller 1, main website chip 2, pci interface card and the slave station 3 that connect successively, described main website chip 2 at least comprises RS485 interface, serial/parallel, parallel/serial interface, agreement Interpretation unit, protocol controller, user interface and ISA interface.
Described RS485 interface, its one end is connected with described slave station.
Described serial/parallel, parallel/serial interface, its one end is connected with the other end of described RS485 interface.
Described agreement Interpretation unit, its one end is connected with the described other end serial/parallel, parallel/serial interface.
Described protocol controller, its one end is connected with the other end of described agreement Interpretation unit.
Described user interface, its one end is connected with the other end of described protocol controller.
Described ISA interface, its one end is connected with the other end of described user interface, and its other end is connected with described pci interface card.
The other end of described pci interface card is connected with described main station controller.
Further, described protocol controller comprises: protocol processing unit, data register, control word register, diagnostic, parametrization data register and configuration data register; Described data register, control word register, diagnostic, parametrization data register and configuration data register are connected between protocol processing unit and described user interface.
Again further, as shown in Figure 3, described user interface is dual port RAM interface, the sdram controller that it at least comprises the fpga logic interface that is connected with described protocol controller, be connected in SRAM between fpga logic interface and ISA interface and SDRAM, the FLASH ROM being connected with fpga logic interface and be connected with SDRAM.
Described main website chip 2, when work, should first carry out initialization to it, and its initialization procedure comprises:
Configure required register.
The interruption that protocol chip is set allows, writes slave station identifier and address, data register is set, diagnostic, parametrization register, configuration data register, control word register etc.
According to above initial value, draw the pointer of each register and the pointer of supplementary buffer.
According to the data length passing, determine output buffer, input block and pointer.
The foregoing is only preferred embodiment of the present invention, be not used for limiting scope of the invention process, all equal variation and modifications of doing according to the scope of the claims of the present invention, all fall into the scope that patent of the present invention contains.
Claims (3)
1. the communication facilities based on PROFIBUS-DP agreement, at least comprises the main station controller, main website chip and the slave station that connect successively, it is characterized in that: also comprise pci interface card, described main website chip at least comprises
RS485 interface, its one end is connected with described slave station;
Serial/parallel, parallel/serial interface, its one end is connected with the other end of described RS485 interface;
Agreement Interpretation unit, its one end is connected with the described other end serial/parallel, parallel/serial interface;
Protocol controller, its one end is connected with the other end of described agreement Interpretation unit;
User interface, its one end is connected with the other end of described protocol controller; And
ISA interface, its one end is connected with the other end of described user interface, and its other end is connected with described pci interface card;
The other end of described pci interface card is connected with described main station controller.
2. a kind of communication facilities based on PROFIBUS-DP agreement according to claim 1, is characterized in that described protocol controller comprises: protocol processing unit, data register, control word register, diagnostic, parametrization data register and configuration data register; Described data register, control word register, diagnostic, parametrization data register and configuration data register are connected between protocol processing unit and described user interface.
3. a kind of communication facilities based on PROFIBUS-DP agreement according to claim 1 and 2, it is characterized in that described user interface is dual port RAM interface, the sdram controller that it at least comprises the fpga logic interface that is connected with described protocol controller, be connected in SRAM between fpga logic interface and ISA interface and SDRAM, the FLASH ROM being connected with fpga logic interface and be connected with SDRAM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410230799.3A CN104021108A (en) | 2014-05-28 | 2014-05-28 | Communication equipment based on PROFIBUS-DP protocol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410230799.3A CN104021108A (en) | 2014-05-28 | 2014-05-28 | Communication equipment based on PROFIBUS-DP protocol |
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| Publication Number | Publication Date |
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| CN104021108A true CN104021108A (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410230799.3A Pending CN104021108A (en) | 2014-05-28 | 2014-05-28 | Communication equipment based on PROFIBUS-DP protocol |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104572377A (en) * | 2015-01-27 | 2015-04-29 | 南京大全自动化科技有限公司 | Device debugging platform and method based on interface bus technology |
| CN109407578A (en) * | 2018-10-15 | 2019-03-01 | 杭州和利时自动化有限公司 | A kind of data processing method of Profibus-DP bus control unit |
| CN110687854A (en) * | 2019-11-05 | 2020-01-14 | 杭州和利时自动化有限公司 | PA bus controller and PA bus control system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2779742Y (en) * | 2004-12-20 | 2006-05-10 | 北京华控技术有限责任公司 | Profibus field bus PCI card |
| US20090070504A1 (en) * | 2001-09-18 | 2009-03-12 | Invensys Systems, Inc. | Multi-Protocol Bus Device |
| CN101841542A (en) * | 2010-05-07 | 2010-09-22 | 北京鼎实创新科技有限公司 | Method for realizing PROFIBUS master station communication protocol based on FPGA (Field Programmable Gate Array) technology |
| CN201974679U (en) * | 2010-12-30 | 2011-09-14 | 上海自动化仪表股份有限公司 | PROFIBUS-DP profibus master station communication equipment |
| CN103532998A (en) * | 2012-07-04 | 2014-01-22 | 中国科学院计算技术研究所 | Protocol/data conversion device and method |
-
2014
- 2014-05-28 CN CN201410230799.3A patent/CN104021108A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090070504A1 (en) * | 2001-09-18 | 2009-03-12 | Invensys Systems, Inc. | Multi-Protocol Bus Device |
| CN2779742Y (en) * | 2004-12-20 | 2006-05-10 | 北京华控技术有限责任公司 | Profibus field bus PCI card |
| CN101841542A (en) * | 2010-05-07 | 2010-09-22 | 北京鼎实创新科技有限公司 | Method for realizing PROFIBUS master station communication protocol based on FPGA (Field Programmable Gate Array) technology |
| CN201974679U (en) * | 2010-12-30 | 2011-09-14 | 上海自动化仪表股份有限公司 | PROFIBUS-DP profibus master station communication equipment |
| CN103532998A (en) * | 2012-07-04 | 2014-01-22 | 中国科学院计算技术研究所 | Protocol/data conversion device and method |
Non-Patent Citations (1)
| Title |
|---|
| 刘剑波: "PROFIBUS-DP主站接口技术研究与产品开发", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104572377A (en) * | 2015-01-27 | 2015-04-29 | 南京大全自动化科技有限公司 | Device debugging platform and method based on interface bus technology |
| CN109407578A (en) * | 2018-10-15 | 2019-03-01 | 杭州和利时自动化有限公司 | A kind of data processing method of Profibus-DP bus control unit |
| CN110687854A (en) * | 2019-11-05 | 2020-01-14 | 杭州和利时自动化有限公司 | PA bus controller and PA bus control system |
| CN110687854B (en) * | 2019-11-05 | 2021-07-30 | 杭州和利时自动化有限公司 | PA bus controller and PA bus control system |
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