CN100511056C - Integral device for data storage and on spot bus communication - Google Patents
Integral device for data storage and on spot bus communication Download PDFInfo
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- CN100511056C CN100511056C CNB2006101342938A CN200610134293A CN100511056C CN 100511056 C CN100511056 C CN 100511056C CN B2006101342938 A CNB2006101342938 A CN B2006101342938A CN 200610134293 A CN200610134293 A CN 200610134293A CN 100511056 C CN100511056 C CN 100511056C
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses an integral device for combining data storing and on-site bus communication. The device utilizes a logic control unit to be a core, which comprises a data storage unit connected with the device, an on-site bus communication unit, and an interface unit of an external control device. The invention realizes high-speed real-time data storage and high-speed serial on-site bus communication of integration, the control unit is reasonably designed, the production cost of the system is little, and the anti-interference ability is strong, which is easy to extend and be applied on a robot production line.
Description
Technical field
The present invention relates to the industrial robot controller technology, specifically is a kind of integrated apparatus based on the storage of PC104 bus data and field bus communication and usefulness.Device as high-speed real-time storage and expansion field bus communication interface are provided is used for robot system and robot production line.
Background technology
The storage of parameter need be preserved before system cut-off in existing robot controller, and as abnormal power-down takes place, parameter current can be lost, and perhaps keeps data storage with battery in system, need often change maintenances such as battery.For example adopt memory devices such as serial storage chip or CF card all can't guarantee the high-speed real-time storage.In the existing robots system, generally adopt parallel bus structure, this structure makes and be not easy to robot switch board wiring relative complex expand and use on robot production line.Have the occasion of specific (special) requirements need redesign automatically controlled part at some, the complicated and parallel route bus makes system be subjected to external interference easily in addition.
Summary of the invention
In order to overcome above-mentioned deficiency, the purpose of this invention is to provide a kind of integrated apparatus that can carry out high-speed real-time storage and serial field bus communication and usefulness.
To achieve these goals, the technical solution adopted for the present invention to solve the technical problems comprises: data storage cell, the field bus communication unit, logic control element and external control interface unit four parts, with the PC104 bus interface as with control device data interaction interface, with the external control unit data storage unit and field bus communication unit are controlled, finish to the storage of systematic parameter and and outside expansion equipment between serial communication two big functions, in The whole control system, play the key effect of forming a connecting link.Specifically:
Described data storage cell, the control signal of logical I/O code translator in the receive logic control module, address bus by the external control interface unit and data bus and external control unit carry out data storage;
Described field bus communication unit, the control signal of logical I/O code translator in the receive logic control module, data bus driver receives the parallel data of external control interface unit in logic control element, parallel data is become serial data, again through photoisolator and field-bus interface controller and external device communication; Receive the serial data through field-bus interface controller and photoisolator of external unit simultaneously, change serial data into parallel data after data bus driver and external control interface unit communication in the logic control element;
Described logic control element receives the control signal of external control interface unit, after logic decoding with signal control data storage unit and field bus communication unit;
Communicate by letter with the external control device in described external control interface unit.
Data storage cell wherein of the present invention comprises:
Data-carrier store, described data-carrier store links to each other with the PC104 bus interface of external control interface unit, and links to each other with the logical I/O code translator of logic control element by control signal by data, address bus, control signal bus;
Described field bus communication unit comprises:
The Fieldbus Control device, described Fieldbus Control device links to each other with bus driver, logical I/O code translator, the interruption selector switch of logic control element, links to each other with photoisolator by data-signal;
Photoisolator, described photoisolator links to each other with the field-bus interface controller with the Fieldbus Control device;
The field-bus interface controller, described field-bus interface controller links to each other with photoisolator;
Described logic control element comprises:
The logical I/O code translator, described logical I/O code translator directly links to each other with address selector with the PC104 bus interface of external control interface unit by control signal bus, address wire bus, and the logic control signal that is translated links to each other with data-carrier store, the data bus driver of bus driver, data storage cell;
Interrupt selector switch, described interruption selector switch links to each other with the Fieldbus Control device with the PC104 bus interface of external control interface unit by control signal;
Data bus driver, described data bus driver links to each other with the PC104 bus interface of external control device interface by address bus, data bus, link to each other with the logical I/O code translator by control signal, link to each other with the Fieldbus Control device by the address date multiplex bus;
Address selector, described address selector links to each other with the PC104 bus interface of external control device interface by address bus, links to each other with the I/O logic decoder by control signal;
Described external control interface unit comprises:
The PC104 bus interface, described PC104 bus interface links to each other with the data-carrier store of data storage cell by address bus, data bus, links to each other with interruption selector switch, bus driver, the logical I/O code translator of logic control element by control signal.
The present invention has following beneficial effect:
1. the novel system based on PC104 of this use adopts the parallel high-speed storage chip, and data keep function after having power down, for system provides at a high speed real-time data memory reliably.
2. compact conformation of the present invention, control module is reasonable in design both convenient to be used, and reduces system cost again.
3. use serial communication between the present invention's employing and other unit, reduced wiring quantity, promptly reduced between line and disturbed, strengthened the antijamming capability of system, simplified the complexity of original parallel routing, can be each unit of robot the serial field-bus interface is provided, the automatically controlled partial design structure of the occasion of specific (special) requirements is particularly arranged applicable to some.
4. the present invention is easy to expansion and uses on robot production line.
Description of drawings
Fig. 1 is an overall construction drawing of the present invention.
Fig. 2 is data storage cell circuit theory diagrams among Fig. 1.
Fig. 3 is logic control element circuit theory diagrams among Fig. 1.
Fig. 4 is a fieldbus element circuit schematic diagram among Fig. 1.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
Shown in Fig. 1～4, the present invention includes: data storage cell, the field bus communication unit, logic control element and external control interface unit four parts, with the PC104 bus interface as with control device data interaction interface, with the external control unit data storage unit and field bus communication unit are controlled, specific as follows:
Communicate by letter with the external control device in described external control interface unit.Specifically:
PC104 bus interface D1, described PC104 bus interface D1 links to each other with the first data-carrier store D2, the second data-carrier store D3, logical I/O code translator D6, address selector D5, interruption selector switch D4, the first～two data bus driver D7～D8 by data, address bus, control signal;
Described data storage cell, the control signal of logical I/O code translator in the receive logic control module, address bus by the external control interface unit and data bus and external control unit carry out data storage; Specifically comprise:
The first～two data-carrier store D2～D3, described the first～two data-carrier store D2～D3 links to each other with PC104 bus interface D1 by data, address bus, control signal, links to each other with logical I/O code translator D6 by control signal;
Described logic control element receives the control signal of external control interface unit, after logic decoding with signal control data storage unit and field bus communication unit; Wherein:
Logical I/O code translator D6, described logical I/O code translator D6 links to each other with PC104 bus interface D1 by control signal, address signal, by control signal and the first～two data-carrier store D2～D3, address selector D5, the first～two data bus driver D7～D8 links to each other with the first～two Fieldbus Control device D9～D10;
Interrupt selector switch D4, described interruption selector switch D4 links to each other with PC104 bus interface D1 by control signal;
Data bus driver, described data bus driver is made up of the first～two bus driver D7～D8, the first～two bus driver D7～D8 passes through data bus, address bus links to each other with PC104 bus interface D1, link to each other with the first～two Fieldbus Control device D9～D10 by the address date multiplex bus, link to each other with logical I/O code translator D6 by control signal;
Address selector D5, described address selector D5 links to each other with PC104 bus interface D1 by address bus, links to each other with logical I/O code translator D6 by control signal;
Described field bus communication unit, the control signal of logical I/O code translator in the receive logic control module, data bus driver receives the parallel data of external control interface unit in logic control element, parallel data is become serial data, again through photoisolator and field-bus interface controller and external device communication; Receive the serial data through field-bus interface controller and photoisolator of external unit simultaneously, change serial data into parallel data after data bus driver and external control interface unit communication in the logic control element; The Fieldbus Control device of forming by the first～two Fieldbus Control device D9～D10, link to each other with the first～two data bus driver D7～D8 by the address date multiplex bus, link to each other with logical I/O code translator D6 by control signal, link to each other with the first～four photoisolator D11～D14 by serial data signal;
The first～two photoisolator D11～D12, described the first～two photoisolator D11～D12 links to each other with primary scene bus interface controller D15 with primary scene bus controller D9;
The the 3rd～the 4th photoisolator D13～D14, described the 3rd～the 4th photoisolator D13～D14 links to each other with secondary scene bus interface controller D16 with secondary scene bus controller D10;
Primary scene bus interface controller D15, described primary scene bus interface controller D15 links to each other with the first～two photoisolator D11～D12;
Secondary scene bus interface controller D16, described secondary scene bus interface controller D16 links to each other with the 3rd～the 4th photoisolator D13～D14.
The concrete course of work of the present invention and principle are:
The PC104 bus interface D1 of external control interface unit is the universal controller interface, and this device is as the control core of system, and PC104 bus interface D1 finishes the data communication function with the external control device.The first～two data-carrier store D2～D3 in the data storage cell is 8 bit memories, they form that 16 bit data storeies are realized the high-speed real-time storage and when outage to the preservation of systematic parameter, wherein the first～two data-carrier store D2～D3 can be carried out data read at a high speed and write it for supporting the storer of high speed access by the external control device.Logical I/O code translator D6 by logic control element finishes the control to data storer, Fieldbus Control device and bus driver; finish parallel data by the first～two Fieldbus Control device D9～D10 in the field bus communication unit and be changed to the function that meets the standard for Fieldbus serial data; photoisolator makes electrical isolation between native system and the outside expansion equipment, plays a protective role.
The described PC104 bus interface of present embodiment D1 can link to each other with the control panel that has the PC104 bus interface, the first～two data-carrier store D2～D3 can adopt DS1245Y, address selector D5 can adopt 74F521, logical I/O code translator D6 can adopt EPM7064S, the first～two bus driver D7, D8 can adopt 74HC245, the first～two field bus controller D9～D10 can adopt SJA1000, the first～four photoisolator D11～D14 can adopt 6N137, and the first～two field bus interface controller D15～D16 can adopt 82C250.
Claims (5)
1. the integrated apparatus of a data storage and field bus communication and usefulness is characterized in that: described device is for based on the PC104 bus structure; Comprise: data storage cell, the field bus communication unit, logic control element and external control interface unit four parts, with the PC104 bus interface as with control device data interaction interface, by logic control element data storage unit and field bus communication unit are stored systematic parameter, and and outside expansion equipment between carry out serial communication; Wherein:
Described data storage cell, the control signal of logical I/O code translator in the receive logic control module, address bus by the external control interface unit and data bus and external control unit carry out data storage;
Described field bus communication unit, the control signal of logical I/O code translator in the receive logic control module, data bus driver receives the parallel data of external control interface unit in logic control element, parallel data is become serial data, again through photoisolator and field-bus interface controller and external device communication; Receive the serial data through field-bus interface controller and photoisolator of external unit simultaneously, change serial data into parallel data after data bus driver and external control interface unit communication in the logic control element;
Described logic control element, the control signal of reception external control interface unit is delivered to data storage cell and field bus communication unit with signal after logic decoding;
Communicate by letter with the external control device in described external control interface unit.
2. according to the integrated apparatus of the described data storage of claim 1 and field bus communication and usefulness, it is characterized in that: described data storage cell comprises: data-carrier store, described data-carrier store links to each other with the PC104 bus interface of external control interface unit, and links to each other with the logical I/O code translator of logic control element by control signal by data bus, address bus, control signal bus.
3. according to the integrated apparatus of the described data storage of claim 1 and field bus communication and usefulness, it is characterized in that: described field bus communication unit comprises:
The Fieldbus Control device, described Fieldbus Control device links to each other with data bus driver, logical I/O code translator, the interruption selector switch of logic control element, links to each other with photoisolator by data-signal;
Photoisolator, described photoisolator links to each other with the field-bus interface controller with the Fieldbus Control device;
The field-bus interface controller, described field-bus interface controller links to each other with photoisolator.
4. according to the integrated apparatus of the described data storage of claim 1 and field bus communication and usefulness, it is characterized in that: described logic control element comprises:
The logical I/O code translator, described logical I/O code translator directly links to each other with address selector with the PC104 bus interface of external control interface unit by control signal bus, address bus, and the control signal that is translated links to each other with data-carrier store, the Fieldbus Control device of data bus driver, data storage cell;
Interrupt selector switch, described interruption selector switch links to each other with the Fieldbus Control device with the PC104 bus interface of external control interface unit by control signal;
Data bus driver, described data bus driver links to each other with the PC104 bus interface of external control device interface by address bus, data bus, link to each other with the logical I/O code translator by control signal, link to each other with the Fieldbus Control device by the address date multiplex bus;
Address selector, described address selector links to each other with the PC104 bus interface of external control device interface by address bus, links to each other with the I/O logic decoder by control signal.
5. according to the integrated apparatus of the described data storage of claim 1 and field bus communication and usefulness, it is characterized in that: described external control interface unit comprises:
The PC104 bus interface, described PC104 bus interface links to each other with the data-carrier store of data storage cell by address bus, data bus, links to each other with interruption selector switch, data bus driver, the logical I/O code translator of logic control element by control signal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101342938A CN100511056C (en) | 2006-11-17 | 2006-11-17 | Integral device for data storage and on spot bus communication |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101342938A CN100511056C (en) | 2006-11-17 | 2006-11-17 | Integral device for data storage and on spot bus communication |
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| Publication Number | Publication Date |
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| CN101187808A CN101187808A (en) | 2008-05-28 |
| CN100511056C true CN100511056C (en) | 2009-07-08 |
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| CNB2006101342938A Active CN100511056C (en) | 2006-11-17 | 2006-11-17 | Integral device for data storage and on spot bus communication |
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