CN206115201U - Intelligent servo controller with PROFIBUS bus and ethernet - Google Patents
Intelligent servo controller with PROFIBUS bus and ethernet Download PDFInfo
- Publication number
- CN206115201U CN206115201U CN201621084042.9U CN201621084042U CN206115201U CN 206115201 U CN206115201 U CN 206115201U CN 201621084042 U CN201621084042 U CN 201621084042U CN 206115201 U CN206115201 U CN 206115201U
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- profibus
- ethernet
- servo controller
- dsp
- bus
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Abstract
The utility model discloses an intelligent servo controller with PROFIBUS bus and ethernet, including the core processor, the core processor comprises through SPI bus connection ARM and DSP, ARM and DSP are connected with the power respectively, ARM is external to have the peripheral circuit, DSP and PROFIBUS is PROFIBUS connected to DP bus agreement module is DP bus agreement module passed through RS485 communication carrier and is connected PROFIBUS DP bus communication interface, DSP pass through ethernet communication module and are connected with the PC to netting very much communication module and being connected with electrically erasable programmable read -only memory, DSP still is connected with static RAM. The utility model discloses an intelligent servo controller, make full use of double -core main control chip and use main control chip as the peripheral various circuit at center is stable, fast, accurately accomplish respective work.
Description
Technical field
This utility model belongs to Industry Control and technical field of automation, and in particular to it is a kind of have PROFIBUS buses and
The intelligent servo controller of Ethernet.
Background technology
The characteristics of servo-control system is because of its high precision, fast governing response, big control inertia and output power is wide
It is general to be applied to Industry Control and automatic field.At present, servo-control system is most of adopts traditional hardware configuration, control
Method comparison is fixed, and cannot realize many high-performance algorithms under different operating modes, it is difficult to meet the demand of modern industry.
As the fast development of computer and industrial field bus technology, the integrated level of industrial control system are improved constantly, high property is developed
Energy, intellectuality, digitized, the servo controller of networking will be the development trends of servo-control system.
With industry 4.0 and the proposition and evolution of industry internet, in scientific and technological revolution and the industry transformation tide of a new round
Under, industry development presents intellectuality, the main trend of networking level serviceization.PROFIBUS buses are used for factory automation workshop
Level monitoring and scene equipment level data communication and control, can realize that field level is digital control and existing to the distributing that workshop level is monitored
Field communication network.The application of PROFIBUS bussing techniques, allow control system each slave station in the installation and control of industry spot
It is more flexible, and the communication between slave station and main website is also relatively reliable, quick.The fast development of Fast Ethernet makes which in work
Industry field is popularized rapidly, Ethernet is used for management personnel and engineers and technicians check control system current operating conditions, real
Now monitor on-line, data are downloaded and parameter is uploaded；Simultaneously Ethernet very random can be connected to the Internet or LAN, convenient long-range
Monitor and check current operating parameter.
Utility model content
The purpose of this utility model is to provide a kind of intelligent SERVO CONTROL with PROFIBUS buses and Ethernet
Device, adds PROFIBUS bussing techniques on servo controller, improves the intelligent and networking of servo controller.
The technical scheme adopted by this utility model is, the intelligent SERVO CONTROL with PROFIBUS buses and Ethernet
Device, includes core processor, and core processor is connected and composed by ARM and DSP Jing spi bus；ARM and DSP respectively with power supply
Connection；ARM is circumscribed with peripheral circuit；DSP is connected with PROFIBUS-DP bus protocol modules, PROFIBUS-DP bus protocol moulds
Block connects PROFIBUS-DP bus communication interfaces by RS485 communications carriers, and DSP is connected with PC by ethernet communication module
Connect, ethernet communication module is connected with EEPROM, and DSP is also connected with SRAM.
The characteristics of this utility model, also resides in：
ARM adopts STM32 family chips.
DSP adopts main control chip DSP28335.
Level shifting circuit is also associated between PROFIBUS-DP bus protocols module and SRAM.
PROFIBUS-DP bus protocols module adopts master station protocol chip ASPC and slave station protocol chip SPC.
Model SN74HC244 or SN74HC245 of level shifting circuit.
It is provided with network joint in ethernet communication module, network joint uses and is internally integrated the RJ45 of transformator and connects
Head HR911105A；Ethernet communication inside modules are provided with Ethernet driving chip, and Ethernet driving chip can with electrically erasable
Program read-only memory connects.
Ethernet driving chip is DM9000A chips.
SRAM adopts IS61LV25616AL storage chips.
The beneficial effects of the utility model are：
(1) this utility model has the intelligent servo controller of PROFIBUS buses and Ethernet, in servo controller
Upper addition PROFIBUS bussing techniques, the perfect function of servo controller so as to which application is more flexible；Can not only be independent should
For industry spot, also can access large-scale control system at any time becomes one part.
(2) this utility model has the intelligent servo controller of PROFIBUS buses and Ethernet, using Ethernet with
PROFIBUS buses also more apply fully and reasonably the function of controller core part, make the intelligence of whole servo controller
Energyization and networking degree are greatly improved.
(3) this utility model has the intelligent servo controller of PROFIBUS buses and Ethernet, and it is right not only to realize
The collection of hydraulic system data signal and the complete display of information, user can also be carried out to the running status of servo controller in real time
Monitoring, devises perfect fault alarm self-diagnostic program, by the collection to each signal of servo controller, can judge in time
The type of failure, is accurately positioned and is taken corresponding protective measure, improves the safety of servo controller.
(4) this utility model has the intelligent servo controller of PROFIBUS buses and Ethernet, is related to inside which
PROFIBUS-DP bus protocol modules are mainly used in the high speed data transfer of field level, solve automatic control system (such as：PLC,
PC etc.) by high-speed serial bus with scattered field apparatus (such as：Valve etc.) between communication task；It defines first,
Two layers and user interface；Using the various topological structures such as linear, annular, star, optical fiber dual ring redundancy is capable of achieving.
(5) this utility model has in the intelligent servo controller of PROFIBUS buses and Ethernet and is related to ether Netcom
Telecommunication function, energy long distance control system current operating conditions, upload parameter, downloading data, are whole control process anywhere or anytime
It is more intelligent, it is convenient, quick.
Description of the drawings
Fig. 1 is the structural representation of the intelligent servo controller that this utility model has PROFIBUS buses and Ethernet
Figure.
In figure, 1.ARM, 2.DSP, 3. power supply, 4. peripheral circuit, 5.PROFIBUS-DP bus protocol modules, 6.PC machines,
7. ethernet communication module, 8.PROFIBUS-DP bus communication interfaces, 9. SRAM, 10. electric erazable programmable is only
Read memorizer.
Specific embodiment
With reference to the accompanying drawings and detailed description this utility model is described in detail.
This utility model has the intelligent servo controller of PROFIBUS buses and Ethernet, its structure as shown in figure 1,
Core processor is included, core processor is connected and composed by ARM1 and DSP2 Jing spi bus；ARM1 and DSP2 respectively with power supply
3 connections；ARM1 is circumscribed with peripheral circuit 4 (such as：System self-test circuit, level shifting circuit etc.)；DSP2 is total with PROFIBUS-DP
Wire protocol module 5 connects, and PROFIBUS-DP bus protocols module 5 connects PROFIBUS-DP buses by RS485 communications carriers
Communication interface 8, DSP2 are connected with PC 6 by ethernet communication module 7, and ethernet communication module 7 is with electric erazable programmable only
Read memorizer 10 to connect, DSP2 is also connected with SRAM 9.
ARM1 adopts STM32 family chips.
DSP2 adopts main control chip DSP28335, due to the high speed performance of DSP2, can control ethernet communication using DSP2
Module 7 and PROFIBUS-DP bus communication interfaces 8 and associated component.
Level shifting circuit is also associated between PROFIBUS-DP bus protocols module 5 and SRAM 9, and
Model SN74HC244 or SN74HC245 of level shifting circuit.
PROFIBUS-DP bus protocols module 5 adopts master station protocol chip ASPC2 and slave station protocol chip SPC3.
Network joint is provided with ethernet communication module 7, and network joint is used and is internally integrated transformator
RJ45 joint HR911105A；Ethernet driving chip is adopted inside ethernet communication module 7, the Ethernet driving chip is concrete
It is DM9000A chips, this is the 100 m ethernet chip of high performance-cost ratio, powerful, Highgrade integration, outside DM9000A
EEPROM 10 (also known as EEPROM) is connect for power on configuration, system electrification initialization, DM9000A are read
The initialization data deposited in EEPROM 10.
The wiring of DM9000A ethernet communications is simple, and transmitted data amount is big.Detect that data are whenever and wherever possible for real-time online
Storage to server end, accessing external network, teledata can be facilitated to check；Can be used for major executives and engineer is carried out
The current operating conditions of controlling network are read at any time, and downloading-running data upload control parameter.
RS485 communications carriers are twisted-pair feeder (i.e. A lines, B lines), and characteristic impedance is 120 Europe or so, in design, in order to subtract
On few circuit, the reflection of transmission signal, respectively connects the resistance in 120 Europe at the top and end of Network transmission line；The Ethernet drives
Receptor in dynamic chip, its detection sensitivity are ± 200mV, differential input end VA-VB >=+200mV, export logical one,
VA-VB≤- 200mV, exports logical zero, when VA-VB is between ± 200mV, it is impossible to which judgement is logic 1 or logical zero, in A
This uncertainty is eliminated by pull down resistor is set on line, B lines.
SRAM 9 adopts IS61LV25616AL storage chips.
When this utility model being had the intelligent servo controller of PROFIBUS buses and Ethernet as main website,
Main control chip DSP28335 in master station protocol chip ASPC2 in PROFIBUS-DP bus protocols module 5 and DSP2 is with shared
The mode of SRAM 9 connects；DSP2 also can be operated to master station protocol chip ASPC2, master station protocol chip
Shared bus between ASPC2 and SRAM 9 is proposed by master station protocol chip ASPC2, is asked by sending to DSP2
Signal is sought, is then arbitrated by DSP2；When master station protocol chip ASPC2 need operate SRAM 9, it is necessary to obtain from
The confirmation signal X/HOLDAIN that DSP2 sends, and be high-impedance state by own value；Master station protocol chip ASPC2 is deposited with static random
Connect between reservoir 9 and also there is level match, master station protocol chip ASPC2 powers as 5V, and SRAM 9
Power as 3.3V, be to solve the problems, such as level match, level shifting circuit need to be added, with complete master station protocol chip ASPC2 with it is quiet
Connection between state random access memory 9.
When this utility model being had the intelligent servo controller of PROFIBUS buses and Ethernet as slave station：
In PROFIBUS-DP bus protocols module 5, slave station protocol chip SPC3 is connected with ARM1, if ARM1 will be to slave station protocol chip
SPC3 conducts interviews, and just as accessing, external memory storage is the same；Slave station protocol chip SPC3 is exclusively used in PROFIBUS-DP communication protocols
The process of view slave station, principal and subordinate's polling protocol of energy complete independently PROFIBUS-DP, the communication task of bus are entirely capable of being assisted by slave station
View chip SPC3 is completed；Reset RESET signal is provided by DSP2 (master controller), and DB (7～0) is address date multiplexing line, AB
=(10～0) are the address bus of 11, because slave station protocol chip SPC3 has the RAM of 1.5KB, it is only necessary to the address of 11
Bus；XCS is chip selection signal, by DSP2 (master controller) CS1 pins provide, when XCS be 0 when, DSP2 (master controller) to from
Protocol chip SPC3 internal RAMs of standing conduct interviews.
As the equipment of carry in bus or identical equipment working state are different, various voltages can be produced, is
Impact of the change in voltage to the service behaviour of controller circuitry components and parts in bus is reduced, corresponding quarantine measures should be adopted,
Using the RS485 driving chip ADM2486 for carrying isolation features in PROFIBUS-DP bus communication interfaces module 8, eliminate with
Toward Jing frequently with optical coupling isolation circuit.
This utility model has the intelligent servo controller of PROFIBUS buses and Ethernet, and its marked feature is interior
Ethernet and PROFIBUS buses are contained in portion, and they can make full use of double-core main control chip, and centered on main control chip
Various peripheral circuits 4 (such as：System self-test circuit, level shifting circuit etc.), so as to stablizing, being completed rapidly and accurately each
Work.
This utility model is provided with PROFIBUS- in having the intelligent servo controller of PROFIBUS buses and Ethernet
DP bus protocols module 5, and PROFIBUS-DP bus protocols module 5 is by RS485 communications carriers and PROFIBUS-DP buses
Communication interface 8 connects, and makes servo controller except with traditional function, such as：On-line self-diagnosis, complete information show, meet accident and look into
When inquiry, failure, self-locking and Automatic adjusument are optimal outside regulation purpose, and its most outstanding feature is exactly that servo controller all has
There are PROFIBUS EBIs and Ethernet interface, enable servo controller quickly, simply to access qualified bus
In, use as slave station；Can also use as the main website of PROFIBUS buses, it is flexible special with better function and use
Point；In addition, the DSP used inside which possesses powerful data processing and operational capability, 7 He of ethernet communication module
PROFIBUS-DP bus protocols module 5 is added on DSP2, this also reduces the pilot process of parameter transmission.
This utility model has the intelligent servo controller of PROFIBUS buses and Ethernet can be fast after dropout
Speed proceeds to local data, and energy periodicity self-inspection, voltage conversion chip output voltage are more stable, it is ensured that servo controller works
It is stable, so as to improve the reliability of whole controlling network system.
Claims (9)
1. there is the intelligent servo controller of PROFIBUS buses and Ethernet, it is characterised in that include core processor,
The core processor is connected and composed by ARM (1) and DSP (2) Jing spi bus；The ARM (1) and DSP (2) respectively with power supply
(3) connect；
The ARM (1) is circumscribed with peripheral circuit (4)；The DSP (2) is connected with PROFIBUS-DP bus protocol modules (5), institute
State PROFIBUS-DP bus protocol modules (5) and PROFIBUS-DP bus communication interfaces (8) connected by RS485 communications carriers,
The DSP (2) is connected with PC (6) by ethernet communication module (7), and the ethernet communication module (7) can with electrically erasable
Program read-only memory (10) connects, and the DSP (2) is also connected with SRAM (9).
2. the intelligent servo controller with PROFIBUS buses and Ethernet according to claim 1, its feature exist
In the ARM (1) is using STM32 family chips.
3. the intelligent servo controller with PROFIBUS buses and Ethernet according to claim 1, its feature exist
In the DSP (2) is using main control chip DSP28335.
4. the intelligent servo controller with PROFIBUS buses and Ethernet according to claim 1, its feature exist
In being also associated with level shifting circuit between the PROFIBUS-DP bus protocols module (5) and SRAM (9).
5. the intelligent servo controller with PROFIBUS buses and Ethernet according to claim 1 or 4, its feature
It is that the PROFIBUS-DP bus protocols module (5) is using master station protocol chip ASPC2 and slave station protocol chip SPC3.
6. the intelligent servo controller with PROFIBUS buses and Ethernet according to claim 4, its feature exist
In model SN74HC244 or SN74HC245 of the level shifting circuit.
7. the intelligent servo controller with PROFIBUS buses and Ethernet according to claim 1, its feature exist
In, network joint is provided with the ethernet communication module (7), the network joint is used and is internally integrated transformator
RJ45 joint HR911105A；
The ethernet communication module (7) is internally provided with Ethernet driving chip, and the Ethernet driving chip can with electricity
EPROM (10) connects.
8. the intelligent servo controller with PROFIBUS buses and Ethernet according to claim 7, its feature exist
In the Ethernet driving chip is DM9000A chips.
9. the intelligent servo controller with PROFIBUS buses and Ethernet according to claim 1, its feature exist
In the SRAM (9) is using IS61LV25616AL storage chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621084042.9U CN206115201U (en) | 2016-09-27 | 2016-09-27 | Intelligent servo controller with PROFIBUS bus and ethernet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621084042.9U CN206115201U (en) | 2016-09-27 | 2016-09-27 | Intelligent servo controller with PROFIBUS bus and ethernet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206115201U true CN206115201U (en) | 2017-04-19 |
Family
ID=58521884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621084042.9U Expired - Fee Related CN206115201U (en) | 2016-09-27 | 2016-09-27 | Intelligent servo controller with PROFIBUS bus and ethernet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206115201U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108958113A (en) * | 2018-07-11 | 2018-12-07 | 无锡气动技术研究所有限公司 | A kind of valve island control device and system based on PROFINET communication protocol |
-
2016
- 2016-09-27 CN CN201621084042.9U patent/CN206115201U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108958113A (en) * | 2018-07-11 | 2018-12-07 | 无锡气动技术研究所有限公司 | A kind of valve island control device and system based on PROFINET communication protocol |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170419 Termination date: 20190927 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |