CN206323394U - Intelligent bus switching controller - Google Patents
Intelligent bus switching controller Download PDFInfo
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- CN206323394U CN206323394U CN201621484788.9U CN201621484788U CN206323394U CN 206323394 U CN206323394 U CN 206323394U CN 201621484788 U CN201621484788 U CN 201621484788U CN 206323394 U CN206323394 U CN 206323394U
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Abstract
The utility model discloses a kind of intelligent bus switching controller, micro-control unit and power subsystem including switching controller housing, in switching controller housing, and the first serial communication interface and the second serial communication interface being connected with micro-control unit signal；Micro-control unit is used for the data for receiving bus communication card, and the data for transmitting bus communication card and the data of storage are compared, judge the bus type of bus communication card, and corresponding communications protocol conversion program is called, the data that bus communication card is transmitted are converted to the recognizable data of actuator；Micro-control unit is used for the data for receiving the actuator, according to the bus type for the bus communication card for judging to draw, calls corresponding communications protocol conversion program, and the data that actuator is transmitted are converted into the recognizable data of bus communication card.It reduces the load and internal memory of executing agency's master cpu, while realizing the bumpless transfer or compatibility of various fieldbus.
Description
Technical field
The utility model is related to bus communication technology field, more particularly to a kind of control for realizing bus communication card and actuator
The intelligent bus switching controller of device data interaction processed.
Background technology
Intelligent Actuator control mode has following two modes in the market：
The first is to use traditional control method, and traditional control method has switching signal and the control of 4-20mA analog signals.
Conventional Fieldbus Control mode has PROFIBUS, FF, MODBUS, HART etc..
Second is to use Fieldbus Control mode.Intelligent Actuator with fieldbus has two-way communication, ginseng
The function of the various control technical requirements such as number on-line proving, fault self-diagnosis.The auxiliary equipment needed to use simultaneously is few, without appointing
What isolation, conversion and the input/output module such as DI, DO, AI, AO, while reducing a large amount of signal cables, cable fitting and corresponding
Install and service work.The intellectuality of electric operator and fieldbus are melted into the inevitable development trend for the art,
Bus intelligent electric operator brings vast potential for future development.
But every kind of fieldbus and the communication modes of executing agency are the controller using address card and executing agency
It is directly connected to carry out data interaction, the intelligent Actuator that such circuit structure causes every kind of fieldbus is required for spy
Do not design, to configure specific hardware and software, cause the executing agency with fieldbus to limit to some specific model
Product, not only the construction cycle is long, and the work load and request memory of increase executing agency master controller in this way,
Client is added simultaneously causes limitation and complexity in bus product type selecting and live mill run upgrading.Work as floor trader
, it is necessary to reconfigure installation to hardware when family needs to enter common intelligent actuator row bus upgrading, increase operation link and behaviour
Make cost.Sometimes even need to change whole executing agency, cause constructional difficulties, the transformation cycle is long, improvement cost increase.It is aobvious
Right existing intelligent Actuator has certain limitation, it is impossible to the demand in the need for fully meeting client and adaptation market.
The content of the invention
The purpose of this utility model be in view of the shortcomings of the prior art there is provided a kind of intelligent bus switching controller,
It reduces the load and internal memory of executing agency's master cpu, enhances product performance, and increases the diversity and adaptability of product, simultaneously
The bumpless transfer or compatibility of various fieldbus are realized, operating process when reducing auxiliary equipment and simplifying upgrading is reduced
Artificial and design cost.
The purpose of this utility model is realized using following proposal：A kind of intelligent bus switching controller, including conversion
Controller housing, micro-control unit and power subsystem in switching controller housing, and connect with micro-control unit signal
The first serial communication interface and the second serial communication interface connect；The power subsystem is used to power for whole switching controller；
First serial communication interface is used to realize the data interaction between a variety of bus communication cards and micro-control unit；Described second
Serial communication interface is used to realize the data interaction between micro-control unit and the controller of actuator；The micro-control unit is used
The data for the bus communication card being connected in reception with the first serial communication interface, and it is total by what is be connected with the first serial communication interface
The data frame structure of the data of line address card transmission is carried out with the data frame structure of various types of fieldbus datas of storage
Compare, judge the bus type of bus communication card being connected with the first serial communication interface, and call corresponding communications protocol to turn
Change program, by the bus communication card being connected with the first serial communication interface transmit data carry out taxonomic revision, and be converted to
Exported after the data that the actuator of second serial communication interface connection can recognize that and give the actuator；The micro-control unit is used to connect
The data of the actuator are received, according to the bus type for the bus communication card being connected with the first serial communication interface for judging to draw
Type, calls corresponding communications protocol conversion program, and the data that the actuator is transmitted carry out taxonomic revision, and is converted to and the
The bus communication card is sent to after the data that the bus communication card of serial commu-nication interface connection can recognize that.
Switching controller of the present utility model selects the MCU with serial communication interface circuit to carry out data transmit-receive and data
Conversion, it can be designed as unified interface with each communication card interface, to realize the compatibility of various address cards.Only need to be in MCU
The different communications protocol conversion program of configuration is logical to PROFIBUS bus communications card or FF bus communications card or MODBUS buses
The data of news card or HART bus communication cards are handled and changed, and can be achieved with Different field bus with performing controlling organization
Communication function.
There is the scene of standard agreement for such as PROFIBUS buses or FF buses or MODBUS buses or HART buses etc.
For bus, the utility model the data that parsed from various address cards can be identified by switching controller and logarithm
According to taxonomic revision is carried out, various there is standard communication protocol communication card to carry out data interaction with actuator controller, and
Final realizes carry out data interaction in these fieldbus and actuator controller.But for no standard communication protocol
For fieldbus, processing mode of the present utility model is to increase a logical detection circuit, the logical detection circuit and micro-control
Unit connection processed, the conversion that the logical detection circuit is used for enforce nonstandard communication protocol provides basis for estimation.
The logical detection circuit is used to detect manual intervention signal, and by the manual intervention signal transmission detected to micro-
Control unit, the micro-control unit is used for the manual intervention signal for receiving logical detection circuit transmission, and judges manual intervention
When signal is effective, certain communications protocol conversion program set in advance is enforced, is no longer judged and the first serial communication interface
The bus type of the bus communication card of connection, so that completing these does not have the fieldbus of standard agreement and actuator controller
Carry out data interaction.Manual intervention signal can connect wire jumper signal or switching signal firmly（Such as push-button switch signal）
Or command signal etc..Because the mode of manual intervention is a lot, as long as micro-control unit compulsory execution can be triggered
The mode of certain communications protocol conversion program set in advance is all the claimed scheme of the utility model.
Level shifting circuit, the level shifting circuit are provided between the micro-control unit and the first serial communication interface
For changing the level signal for meeting converter micro-control unit and communicating card request.I.e. level shifting circuit is serial by first
The level signal that communication interface is received passes to micro-control unit after being converted to the level signal for meeting micro-control unit requirement, with
And be converted to the level signal that micro-control unit is exported after the level signal for meeting communication card request by the first serial communication
Interface passes to address card.
Optical coupling isolation circuit is provided between the micro-control unit and the first serial communication interface, communication signal passes through optocoupler
Isolated, to improve interference free performance, protected micro control unit circuit.
Be stored with table of bytes corresponding to various communications protocol, the communication frames of various communications protocol in the micro-control unit
Structure and the corresponding communications protocol conversion program of various bus types.Certainly, the utility model can also be first in microcontroller
Set table of bytes, the communication frame structure of various communications protocol and the various bus types of various communications protocol corresponding in unit
Communications protocol conversion program, but corresponding communications protocol is customized in micro-control unit according to the type for the address card to be connected
Conversion program carries out communications protocol conversion.
Second serial communication interface is the serial communication interface matched with actuator, and actuator is intelligent Actuator
Or intelligence instrument.
First serial communication interface is a serial communication interface that can be matched with polytype bus communication card, such as
First serial communication interface may be designed as the bus communication card general with various markets（Such as PROFIBUS bus communications card, FF
Bus communication card, MODBUS bus communications card, HART bus communication cards etc.）The interface all matched, the interface can be UART,
The serial line interfaces such as SPI, I2C.Certainly the Interface design of every kind of bus communication card can also be compatible unified by we.
Intelligent bus switching controller is provided with standby redundant interface.
For realizing that the first serial communication interface of data interaction between bus communication card and micro-control unit sets multiple,
One the first serial communication interface matches a type of bus communication card, and multiple first serial communication interfaces match identical respectively
Type or polytype bus communication card are that the utility model can polytype first serial communication interface side by side.
Provided with memory module, data sending/receiving module, multilevel iudge module and communication association in the micro-control unit
Modular converter is discussed, the memory module is used to store all kinds fieldbus data and the corresponding communication of various bus types
Protocol convertor；The data sending/receiving module is used to receive, sends data, the multilevel iudge module, for by number
Data in the data and memory module that are received according to sending/receiving module are compared, and the scene communicated required for drawing is total
Line type；The communications protocol modular converter, the Field bus type drawn according to multilevel iudge module is called suitable for described
The communications protocol conversion program of Field bus type carries out taxonomic revision to data, and is converted to execution controller or bus is logical
Hardware judge module, the hardware judge module are additionally provided with the recognizable data form output of news card, the micro-control unit
For monitoring manual intervention signal, when judging that manual intervention signal is effective, enforce Field bus type set in advance and come
Communications protocol conversion is carried out, without judging Field bus type by multilevel iudge module again.
The utility model this have the advantage that：Because intelligent bus switching controller of the present utility model includes conversion and control
Device housing, micro-control unit and power subsystem in switching controller housing, and be connected with micro-control unit signal
First serial communication interface and the second serial communication interface.Intelligent bus switching controller of the present utility model and actuator are point
Open, the first serial communication interface of intelligent bus switching controller of the present utility model can connect with various bus communication cards
Connect, different protocol convertors or various communications protocol conversion journey by being configured to general line system controller of the present utility model
Sequence and various bus communication cards can be achieved with the bumpless transfer or compatibility of various fieldbus, can by actuator controller with
Multiple fieldbus is communicated, the diversity of the ability that develops skill and actuator product, and actuator no longer is confined into some
The product of specific model, the utility model make it that actuator revolutionizes this limitation, meets the need of client's different times
Ask.
Hardware judge module is additionally provided with the micro-control unit, the hardware judge module is used to monitor manual intervention letter
Number, when judging that manual intervention signal is effective, enforce Field bus type set in advance to carry out communications protocol conversion, and
Field bus type need not be judged by multilevel iudge module again.Such purpose is that selection is forced in advance progress manual intervention
General line system type, reduces software work step, improves conversion speed, and add the diversity of address card selection.
Added between bus communication card and actuator controller intelligent bus switching controller of the present utility model with
Intermediate layer data conversion is carried out, the task of actuator controller and the requirement of memory headroom can be reduced in performance, is improved
Control accuracy and response speed.It can be reduced to actuator controller in development cost and economic benefit（MCU）It is serial
The requirement of communication interface circuit, actuator controller need not configure multiple serial ports to realize multibus and redundancy requirement,
Actuator controller need not be changed, it is redesigned；General line system controller of the present utility model need to only be increased just can be real
Now corresponding Fieldbus Control function, reduces the cycle of designing and developing, and saves design cost, fast responding market produces warp
Ji benefit.Other serial communication interfaces of switching controller can also be entered with row of channels extension simultaneously, communication redundancy technology is realized,
Even if some passage breaks down, executing agency remains to normal operation, improves the security of communication network.
Brief description of the drawings
Fig. 1 is the hardware principle block diagram of intelligent bus switching controller of the present utility model；
Fig. 2 is the FB(flow block) of intelligent bus switching controller of the present utility model.
Embodiment
Referring to Fig. 1 and Fig. 2, a kind of intelligent bus switching controller, including switching controller housing, located at switching controller
Micro-control unit and power subsystem in housing, and the first serial communication interface and second being connected with micro-control unit signal
Serial communication interface；The power subsystem is used to power for whole switching controller；Be stored with correspondence in the micro-control unit
The communication frame structure and the corresponding communications protocol of various bus types of table of bytes, various communications protocol in various communications protocol
Conversion program.First serial communication interface is used to realize that the data between a variety of bus communication cards and micro-control unit to be handed over
Mutually；Second serial communication interface is used to realize the data interaction between micro-control unit and the controller of actuator；It is described
Micro-control unit is used for the data for receiving the bus communication card being connected with the first serial communication interface, and will be with the first serial communication
The data and various types of fieldbus datas of storage of the bus communication card transmission of interface connection are compared, and are judged and the
The bus type of the bus communication card of serial commu-nication interface connection, and call corresponding communications protocol conversion program, will be with the
The data of the bus communication card transmission of serial commu-nication interface connection carry out taxonomic revision, and are converted to and are connect with the second serial communication
Exported after the data that the actuator of mouth connection can recognize that and give the actuator；The micro-control unit is used to receive the actuator
Data, according to the bus type for the bus communication card being connected with the first serial communication interface for judging to draw, are called corresponding logical
Protocol convertor is interrogated, the data that the actuator is transmitted carry out taxonomic revision, and are converted to and the first serial communication interface
The bus communication card is sent to after the recognizable data of the bus communication card of connection.Second serial communication interface be and execution
The serial communication interface of device matching, actuator is intelligent Actuator or intelligence instrument.
Level shifting circuit, the level shifting circuit are provided between the micro-control unit and the first serial communication interface
Level signal for the level signal of reception to be converted to the voltage volt value that meets the requirements is exported.That is level shifting circuit is by first
The level signal that serial communication interface is received passes to microcontroller list after being converted to the level signal for meeting micro-control unit requirement
Member, and the first string is passed to after the level signal that micro-control unit is exported to be converted to the level signal for meeting communication card request
Row communication interface.Isolation circuit is provided between the micro-control unit and the first serial communication interface.
First serial communication interface is a serial communication interface that can be matched with polytype bus communication card, such as
First serial communication interface may be designed as the bus communication card general with various markets（Such as PROFIBUS bus communications card, FF
Bus communication card, MODBUS bus communications card, HART bus communication cards etc.）The interface all matched, the interface can be UART,
The serial line interfaces such as SPI, I2C.Certainly the Interface design of every kind of bus communication card can also be compatible unified by we.Intelligent bus
Switching controller is provided with standby redundant interface.The control chip of the present embodiment general line system controller is selected with multiple asynchronous
The MCU of serial communication interface (UART) carries out data sending and receiving, and multiple asynchronous serial communication interfaces refer to connect provided with standby redundancy
Mouthful, one or more can be set in standby redundant interface.The use of the present embodiment has the MCU of 3 serial communication interfaces
Data transmit-receive and data conversion are carried out, two of which serial communication interface is used to realize a variety of bus communication cards and micro-control unit
Between data interaction, one is standby redundant interface between the two serial communication interfaces 1,2.With each communication card interface
Unified interface is designed as, to realize the compatibility of various address cards.Another serial communication interface 3 is used to realize micro-control unit
Data interaction between the controller of actuator.
Certainly, the utility model is used to realize that first of data interaction between bus communication card and micro-control unit serially to lead to
Letter interface can also set multiple, and first serial communication interface matches a type of bus communication card, multiple first strings
Row communication interface matches same type or polytype bus communication card respectively.
It is described when the first serial communication interface of this intelligent bus switching controller connects PROFIBUS bus communication cards
Micro-control unit receives the data of PROFIBUS bus communication cards, and the data that PROFIBUS bus communications card is transmitted and storage
Various types of fieldbus datas be compared, judge to draw the bus types or required of PROFIBUS bus communication cards
The Field bus type communicated is PROFIBUS buses, and calls the communications protocol suitable for PROFIBUS buses to change journey
Sequence, the data that PROFIBUS bus communications card is transmitted carry out taxonomic revision, and are converted to and are connected with the second serial communication interface
The recognizable data of actuator after export and give the actuator；The micro-control unit receives the data of the actuator, calls
Suitable for the communications protocol conversion program of PROFIBUS buses, the data that the actuator is transmitted carry out taxonomic revision, and turn
The PROFIBUS bus communication cards are sent to after being changed to the recognizable data of PROFIBUS bus communications card.
When the first serial communication interface of this intelligent bus switching controller connects FF bus communication cards, the microcontroller
Unit receives the data of FF bus communication cards, and the data that FF bus communications card is transmitted and various types of scenes of storage are total
Line number judges to draw that the bus type of FF bus communication cards or the required Field bus type that is communicated are according to being compared
FF buses, and the communications protocol conversion program suitable for FF buses is called, the data that FF bus communications card is transmitted are classified
Arrange, and be converted to export after the data that the actuator that be connected with the second serial communication interface can recognize that and give the actuator；It is described
Micro-control unit receives the data of the actuator, calls the communications protocol conversion program suitable for FF buses, is performed described
The data of device transmission carry out taxonomic revision, and are sent to the FF bus communications after being converted to the recognizable data of FF bus communications card
Card.
It is described micro- when the first serial communication interface of this intelligent bus switching controller connects MODBUS bus communication cards
Control unit receive MODBUS bus communication cards data, and by MODBUS bus communications card transmit data with store it is various
The fieldbus data of type is compared, and is judged to draw the bus type of MODBUS bus communication cards or required is communicated
Field bus type be MODBUS buses, and the communications protocol conversion program suitable for MODBUS buses is called, by MODBUS
The data of bus communication card transmission carry out taxonomic revision, and it is recognizable to be converted to the actuator being connected with the second serial communication interface
Data after export and give the actuator；The micro-control unit receives the data of the actuator, calls total suitable for MODBUS
The communications protocol conversion program of line, the data that the actuator is transmitted carry out taxonomic revision, and it is logical to be converted to MODBUS buses
The MODBUS bus communication cards are sent to after the recognizable data of news card.
When the first serial communication interface of this intelligent bus switching controller connects HART bus communication cards, the micro-control
Unit processed receives the data of HART bus communication cards, and the data that HART bus communications card is transmitted with store it is various types of
Fieldbus data is compared, and judges to show that the bus type of HART bus communication cards or the required scene communicated are total
Line type is HART buses, and calls the communications protocol conversion program suitable for HART buses, and HART bus communications card is transmitted
Data carry out taxonomic revision, and be converted to exported after the data that the actuator that be connected with the second serial communication interface can recognize that to
The actuator；The micro-control unit receives the data of the actuator, calls the communications protocol conversion suitable for HART buses
Program, the data that the actuator is transmitted carry out taxonomic revision, and are converted to after the recognizable data of HART bus communications card
It is sent to the HART bus communication cards.
Switching controller of the present utility model selects the MCU with serial communication interface circuit to carry out data transmit-receive and data
Conversion, it can be designed as unified interface with each communication card interface, to realize the compatibility of various address cards.Only need to be in MCU
The different communications protocol conversion program of configuration is logical to PROFIBUS bus communications card or FF bus communications card or MODBUS buses
The data of the bus communication card transmission such as news card or HART bus communication cards are handled and changed, and can be achieved with Different field bus
Communication function with performing controlling organization.
There is the scene of standard agreement for such as PROFIBUS buses or FF buses or MODBUS buses or HART buses etc.
For bus, the utility model the data that parsed from various address cards can be identified by switching controller and logarithm
According to taxonomic revision is carried out, various there is standard communication protocol communication card to carry out data interaction with actuator controller, and
Final realizes carry out data interaction in these fieldbus and actuator controller.But for no standard communication protocol
For fieldbus, processing mode of the present utility model is to increase a logical detection circuit, the logical detection circuit and micro-control
Unit connection processed, the conversion that the logical detection circuit is used for enforce nonstandard communication protocol provides basis for estimation.
The logical detection circuit is used to detect manual intervention signal, and by the manual intervention signal transmission detected to micro-
Control unit, the micro-control unit is used for the manual intervention signal for receiving logical detection circuit transmission, and judges manual intervention
When signal is effective, certain communications protocol conversion program set in advance is enforced, is no longer judged and the first serial communication interface
The bus type of the bus communication card of connection, so that completing these does not have the fieldbus of standard agreement and actuator controller
Carry out data interaction.
Provided with memory module, data sending/receiving module, multilevel iudge module and communication association in the micro-control unit
Modular converter is discussed, the memory module is used to store all kinds fieldbus data and the corresponding communication of various bus types
Protocol convertor；The data sending/receiving module is used to receive, sends data, the multilevel iudge module, for by number
Data in the data and memory module that are received according to sending/receiving module are compared, and the scene communicated required for drawing is total
Line type；The communications protocol modular converter, the Field bus type drawn according to multilevel iudge module is called suitable for described
The communications protocol conversion program of Field bus type carries out taxonomic revision to data, and is converted to execution controller or bus is logical
The recognizable data form output of news card.Hardware judge module, the hardware judge module are additionally provided with the micro-control unit
For monitoring manual intervention signal, when judging that manual intervention signal is effective, enforce Field bus type set in advance and come
Communications protocol conversion is carried out, without judging Field bus type by multilevel iudge module again.
The utility model configures various protocols conversion program to general line system controller, is connect by the first serial communication interface
Receive and come from PROFIBUS bus communications card or FF bus communications card or the address card such as MODBUS bus communications card or HART communication card
Information and changed, and sent by the second serial communication interface to executing agency's main control MCU, participate in the control of executing agency
System.General line system controller receives the device data of executing agency by the second serial communication interface simultaneously, then carries out data
Conversion, the data after conversion are sent to corresponding bus communication card by the first serial communication interface so that realize with
The communication function of PROFIBUS buses or FF buses or the bus such as MODBUS buses or HART buses.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, it is clear that this area
Technical staff can to the utility model carry out it is various change and modification without departing from spirit and scope of the present utility model.This
Sample, if these modifications of the present utility model and modification belong to the utility model claim and its equivalent technologies scope it
Interior, then the utility model is also intended to comprising including these changes and modification.
Claims (10)
1. a kind of intelligent bus switching controller, it is characterised in that：Including switching controller housing, located at switching controller housing
In micro-control unit and power subsystem, and the first serial communication interface and second that are connected with micro-control unit signal be serial
Communication interface；The power subsystem is used to power for whole switching controller；First serial communication interface is more for realizing
Plant the data interaction between bus communication card and micro-control unit；Second serial communication interface is used to realize micro-control unit
Data interaction between actuator；The micro-control unit is used to receive the bus communication being connected with the first serial communication interface
The data of card, and data frame structure and the storage of the data that the bus communication card being connected with the first serial communication interface is transmitted
The data frame structure of all kinds fieldbus is compared, the bus communication card that judgement is connected with the first serial communication interface
Bus type, and corresponding communications protocol conversion program is called, the bus communication card being connected with the first serial communication interface is passed
The data passed carry out taxonomic revision, and are converted to output after the recognizable data of the actuator being connected with the second serial communication interface
Give the actuator；The micro-control unit is used to receive the data of the actuator, according to judged to draw with it is first serial
The bus type of the bus communication card of communication interface connection, calls corresponding communications protocol conversion program, the actuator is passed
The data passed carry out taxonomic revision, and are converted to after the recognizable data of the bus communication card being connected with the first serial communication interface
It is sent to the bus communication card.
2. intelligent bus switching controller according to claim 1, it is characterised in that：The micro-control unit is connected with one
Logical detection circuit, the logical detection circuit is used to detect manual intervention signal, and the manual intervention signal detected is passed
Micro-control unit is passed, the micro-control unit is used for the manual intervention signal for receiving logical detection circuit transmission, and judges people
When work intervention signal is effective, certain communications protocol conversion program set in advance is enforced, no longer judges serially to lead to first
Believe the bus type of the bus communication card of interface connection.
3. intelligent bus switching controller according to claim 1, it is characterised in that：The micro-control unit and the first string
Level shifting circuit is provided between row communication interface, the level shifting circuit is used to be converted to the level signal of reception to meet
The level signal output of micro-control unit requirement.
4. intelligent bus switching controller according to claim 1, it is characterised in that：The micro-control unit and the first string
Optical coupling isolation circuit is provided between row communication interface.
5. intelligent bus switching controller according to claim 1, it is characterised in that：It is stored with the micro-control unit
The corresponding communications protocol conversion program of various bus types.
6. intelligent bus switching controller according to claim 1, it is characterised in that：First serial communication interface is one
The serial communication interface that can be matched with polytype bus communication card.
7. the intelligent bus switching controller according to claim 1 or 6, it is characterised in that：Intelligent bus switching controller
Provided with standby redundant interface.
8. intelligent bus switching controller according to claim 1, it is characterised in that：For realize bus communication card with it is micro-
First serial communication interface of data interaction between control unit sets multiple, and first serial communication interface matches a species
The bus communication card of type, multiple first serial communication interfaces match the bus communication card of same type, or match multiple types respectively
The bus communication card of type, realizes that intelligent bus switching controller is matched with polytype bus communication card.
9. intelligent bus switching controller according to claim 1, it is characterised in that：It is provided with and deposits in the micro-control unit
Module, data sending/receiving module, multilevel iudge module and communications protocol modular converter are stored up, the memory module is used to store
The data frame structure of all kinds fieldbus data table and the corresponding communications protocol of various bus types；The data are sent
Receiver module is used to receive, sends data, the multilevel iudge module, for the data that receive data sending/receiving module
Data frame structure and the data frame structure of the preservation in memory module are compared, the fieldbus communicated required for drawing
Type；The communications protocol modular converter, the Field bus type drawn according to multilevel iudge module is called suitable for described existing
The communications protocol conversion program of field bus type carries out taxonomic revision to data, and is converted to execution controller or bus communication
The recognizable data form output of card.
10. intelligent bus switching controller according to claim 9, it is characterised in that：Also set in the micro-control unit
There is hardware judge module, the hardware judge module is used to monitor manual intervention signal, when judging that manual intervention signal is effective, by force
System performs Field bus type set in advance to carry out communications protocol conversion, without being judged again by multilevel iudge module
Field bus type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621484788.9U CN206323394U (en) | 2016-12-31 | 2016-12-31 | Intelligent bus switching controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621484788.9U CN206323394U (en) | 2016-12-31 | 2016-12-31 | Intelligent bus switching controller |
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| Publication Number | Publication Date |
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| CN206323394U true CN206323394U (en) | 2017-07-11 |
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| CN201621484788.9U Active CN206323394U (en) | 2016-12-31 | 2016-12-31 | Intelligent bus switching controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108052094A (en) * | 2017-12-20 | 2018-05-18 | 深圳市英威腾电气股份有限公司 | A kind of extension card identification method, device and frequency converter |
-
2016
- 2016-12-31 CN CN201621484788.9U patent/CN206323394U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108052094A (en) * | 2017-12-20 | 2018-05-18 | 深圳市英威腾电气股份有限公司 | A kind of extension card identification method, device and frequency converter |
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