CN2794058Y - World dF-IP-CAN gateway for industrial control in site - Google Patents
World dF-IP-CAN gateway for industrial control in site Download PDFInfo
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- CN2794058Y CN2794058Y CN 200520019886 CN200520019886U CN2794058Y CN 2794058 Y CN2794058 Y CN 2794058Y CN 200520019886 CN200520019886 CN 200520019886 CN 200520019886 U CN200520019886 U CN 200520019886U CN 2794058 Y CN2794058 Y CN 2794058Y
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- 238000002955 isolation Methods 0.000 claims description 17
- 230000006870 function Effects 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000013459 approach Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
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- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The utility model discloses a World FIP-CAN gateway for industrial control in site, which comprises a World FIP network protocol controller, a C8051F040 main controller, a CAN bus physical interface, a World FIP redundant network interface and/or a World FIP network interface. The utility model is a data conversion tool based on a World FIP network system and a CAN network system, which conforms to EN50170 and IEC61158 standards and combines the World FIP network technique and the CAN bus technique. The utility model has the characteristics of novel design, high reliability, high information amount, high flexibility and low cost. The utility model is suitable for the network control field based on the World FIP industrial field bus.
Description
Technical field
The utility model relates to the network control based on the WorldFIP industrial field bus, relates in particular to the DTU (Data Transfer unit) of WorldFIP network system and CAN network system.
Background technology
At present, based on the control mode of industrial control field, usually still adopt the control mode of straight-through lead formula, this mode is because number of conductors is extremely many, the probability that the contact place breaks down is very big, and therefore the reliability of this control system is very low, and maintenance difficulty is very big.So, adopt bus mastering mode, in the control of industry spot, obtained increasingly extensive application.Wherein, the WorldFIP procotol is exactly a kind of a large amount of at home and abroad high reliability fieldbus networks that uses.Equally, the CAN bus also is a kind of industrial field bus of extensive use, owing to the disclosed reason of agreement, and increasing microcontroller CPU is integrated CAN protocol controller.The CAN bus is a kind of fieldbus with low cost, and itself and WorldFIP bus network are combined, and invents a kind of gateway based on WorldFIP-CAN and substitutes traditional control mode, has just been put on schedule.
Summary of the invention
The purpose of this utility model provides a kind of DTU (Data Transfer unit) based on WorldFIP network system and CAN network system, i.e. WorldFIP-CAN gateway.
Technical solution of the present utility model is achieved in that
A kind of WorldFIP-CAN gateway that is used for industry spot control is characterized in that comprising:
WorldFIP procotol controller
The C8051F040 master controller
CAN bus physical interface
WorldFIP redundant network interface and/or
The WorldFIP network interface, each intermodule is realized two-way communication by bus.
Described WorldFIP redundant network interface and/or WorldFIP network interface are the physical interfaces of WorldFIP network, be made up of WorldFIP bus transceiver and high-frequency isolation transformer, the task of high-frequency isolation transformer is the external circuit signal of WorldFIP network to be isolated through magnetic send into bus transceiver or the signal of bus transceiver is sent into the WorldFIP network through high-frequency isolation transformer.
Described WorldFIP bus transceiver is the electric interfaces of WorldFIP protocol controller and high-frequency isolation transformer, its structure is made up of unit of function circuit, the digital signal that it sends protocol controller here converts Manchester (manchester) signal to, then the signal after the power drive is delivered to high-frequency isolation transformer, or Manchester network signal that high frequency transformer is sent here is decoded as digital signal, send into protocol controller.
Described WorldFIP procotol controller is made of unit of function circuit, be responsible for that data flow that variable (MPS) that controller will be transmitted or message (MSG) is packaged into the WorldFIP network protocol specifies is delivered to the WorldFIP bus transceiver or the signal resolution that the WorldFIP bus transceiver is sent here become normal data and deposit self buffer area in, cause interrupt request singal thereupon, read for controller.
Described C8051F040 master controller is responsible for sequential, the generation of CAN data flow and the control of power supply, monitoring voltage, dongle and/or working power of control WorldFIP agreement control chip.
Described CAN bus physical interface is the external interface circuit of CAN, it is demodulated to the external bus signal data flow of the embedded CAN controller of controller, deliver to CAN bus physical interface for the controller processing or with the CAN signal that controller generates, generate the signal that meets the CAN agreement and communicate by letter with extraneous.
Technical solution of the present utility model also comprises:
Move special-purpose software on the described C8051F040 master controller, drive system is sent into the WorldFIP network controller after the packing data of CAN is become satisfactory form, or sends into the CAN network after the WorldFIP data are unpacked; And the realization system is anti-interference, multi-task scheduling and memory management function.Compare with traditional control mode, adopt the comparative advantages of WorldFIP-CAN network control and traditional approach to be:
| Characteristics | The WorldFIP-CAN gateway | Traditional approach |
| Reliability | High | Low |
| Flexibility | Good | Difference |
| Versatility | Good | Difference |
| Amount of information | Greatly | Little |
| Maintainable | Good | Difference |
| Redundant | Be | Not |
| Cost | Low | Low |
Description of drawings
Fig. 1 is the utility model WorldFIP-CAN gateway structured flowchart.
Fig. 2 is a WorldFIP interface schematic diagram.
Fig. 3 is a C8051F040 control unit interface schematic diagram.
Fig. 1 is a Figure of abstract of the present utility model.
Among the figure: 1, WorldFIP physical interface 2, WorldFIP redundant network interface 3, WorldFIP protocol controller 4, WorldFIP main control microcomputer 5, CAN bus physical interface 6, level shifter interface circuit 7, CAN transmitting-receiving interface circuit 8, RS232 receive and dispatch interface circuit
Embodiment
The WorldFIP-CAN gateway that is used for industry spot control as shown in the figure, formed by WorldFIP network interface 1, WorldFIP redundant network interface 2, WorldFIP procotol controller 3, C8051F040 master controller 4, CAN bus physical interface 5, wherein WorldFIP network interface 1 and/or redundant network interface 2 are physical interfaces of WorldFIP network, and it is made up of two parts: WorldFIP bus transceiver and high-frequency isolation transformer.High-frequency isolation transformer wherein is the external circuit signal of WorldFIP network to be isolated through magnetic send into bus transceiver, or the signal of bus transceiver delivered to the WorldFIP network through high-frequency isolation transformer, its isolation voltage reaches 3000Vrms, satisfies the IEC61000-4 standard.
The WorldFIP bus transceiver is the electric interfaces of WorldFIP protocol controller and high-frequency isolation transformer, the digital signal that it sends protocol controller here converts Manchester (manchester) signal to, then the signal after the power drive is delivered to high-frequency isolation transformer, or Manchester network signal that high-frequency isolation transformer is sent here is decoded into digital signal, send into protocol controller.
WorldFIP procotol controller 3 is WorldFIP server devices, it is responsible for the data flow that variable (MPS) that controller will be transmitted or message (MSG) is packaged into WorldFIP procotol defined and delivers to the WorldFIP bus transceiver, or become normal data to deposit the buffer area of self in the signal resolution that the WorldFIP bus transceiver is sent here, and the initiation interrupt request singal, read for controller.
C8051F040 master controller 4 is cores of whole gateway, and it is made up of two parts: i.e. chip and peripheral circuit hardware and Control Software.
The effect of hardware mainly is a work schedule of being responsible for control WorldFIP agreement control chip, and the generation of CAN data flow, also to be responsible for simultaneously as: monitoring voltage, dongle, working power provide.The effect of software is to be responsible for the packing data of CAN is become the desired form of WorldFIP network, send into the WorldFIP network controller then, or send into the CAN network after the data of WorldFIP are unpacked, have work such as system is anti-interference, multi-task scheduling, memory management simultaneously.
CAN bus physical interface 5 is external interface circuit of CAN, it is demodulated to the external bus signal data flow of the embedded CAN controller of controller, handle for controller, or the CAN signal that controller generates is delivered to CAN bus physical interface generate the signal that meets the CAN agreement and communicate by letter with the external world.
Claims (7)
1, a kind of WorldFIP-CAN gateway that is used for industry spot control is characterized in that comprising:
WorldFIP procotol controller
The C8051F040 master controller
CAN bus physical interface
WorldFIP redundant network interface and/or
The WorldFIP network interface passes through the bus two-way communication between each mould is fast.
2, the WorldFIP-CAN gateway that is used for industry spot control according to claim 1, it is characterized in that described WorldFIP redundant network interface and/or WorldFIP network interface are the physical interfaces of WorldFIP network, be made up of WorldFIP bus transceiver and high-frequency isolation transformer, the task of high-frequency isolation transformer is the external circuit signal of WorldFIP network to be isolated through magnetic send into bus transceiver or the signal of bus transceiver is sent into the WorldFIP network through high-frequency isolation transformer.
3, the WorldFIP-CAN gateway that is used for industry spot control according to claim 2, it is characterized in that described WorldFIP bus transceiver is the electric interfaces of WorldFIP protocol controller and high-frequency isolation transformer, its structure is made up of unit of function circuit, the digital signal that it sends protocol controller here converts Manchester (manchester) signal to, then the signal after the power drive is delivered to high-frequency isolation transformer, or Manchester network signal that high frequency transformer is sent here is decoded as digital signal, send into protocol controller.
4, according to claim 1, the 2 or 3 described WorldFIP-CAN gateways that are used for industry spot control, it is characterized in that described WorldFIP procotol controller is made of unit of function circuit, be responsible for that data flow that variable (MPS) that controller will be transmitted or message (MSG) is packaged into the WorldFIP network protocol specifies is delivered to the WorldFIP bus transceiver or the signal resolution that the WorldFIP bus transceiver is sent here become normal data and deposit self buffer area in, cause interrupt request singal thereupon, read for controller.
5, according to claim 1, the 2 or 3 described WorldFIP-CAN gateways that are used for industry spot control, it is characterized in that described C8051F040 master controller, be responsible for sequential, the generation of CAN data flow and the control of power supply, monitoring voltage, dongle and/or working power of control WorldFIP agreement control chip.
6, according to claim 1, the 2 or 3 described WorldFIP-CAN gateways that are used for industry spot control, it is characterized in that described CAN bus physical interface is the external interface circuit of CAN, it is demodulated to the external bus signal data flow of the embedded CAN controller of controller, the CAN that handles or controller is generated for controller delivers to CAN bus physical interface, generates the signal that meets the CAN agreement and communicates by letter with extraneous.
7, the WorldFIP-CAN gateway that is used for industry spot control according to claim 1, it is characterized in that moving special-purpose software on the described C8051F040 master controller, drive system is sent into the WorldFIP network controller after the packing data of CAN is become the desired form of WorldFIP network, or sends into the CAN network after the WorldFIP data are unpacked; And the realization system is anti-interference, multi-task scheduling and memory management function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520019886 CN2794058Y (en) | 2005-04-27 | 2005-04-27 | World dF-IP-CAN gateway for industrial control in site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520019886 CN2794058Y (en) | 2005-04-27 | 2005-04-27 | World dF-IP-CAN gateway for industrial control in site |
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| Publication Number | Publication Date |
|---|---|
| CN2794058Y true CN2794058Y (en) | 2006-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520019886 Expired - Fee Related CN2794058Y (en) | 2005-04-27 | 2005-04-27 | World dF-IP-CAN gateway for industrial control in site |
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| Country | Link |
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| CN (1) | CN2794058Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101682587B (en) * | 2007-04-13 | 2013-11-20 | Hart通信基金会 | A wireless gateway in a process control environment supporting a wireless communication protocol |
-
2005
- 2005-04-27 CN CN 200520019886 patent/CN2794058Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101682587B (en) * | 2007-04-13 | 2013-11-20 | Hart通信基金会 | A wireless gateway in a process control environment supporting a wireless communication protocol |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NORTH CHINA CO. Free format text: FORMER OWNER: XIE BUMING Effective date: 20080912 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080912 Address after: Beijing City, Fengtai District Fong City Park District building 15, zip code: 100076 Patentee after: China CNR Corporation Limited Address before: R & D center of Dalian Locomotive & Rolling Stock Co., Ltd., No. 51 middle The Strip, Shahekou District, Liaoning, Dalian 116022, China Patentee before: Xie Buming |
|
| ASS | Succession or assignment of patent right |
Owner name: CHINA CNR CORPORATION LIMITED DALIAN ELECTRIC TRAC Free format text: FORMER OWNER: NORTH CHINA CO. Effective date: 20090410 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090410 Address after: No. 51, middle The Strip, Shahekou District, Liaoning, Dalian Province, China: 116022 Patentee after: Dalian Electric Traction Research & Development Center of China North Locomotive Co., Ltd. Address before: Beijing City, Fengtai District Fong City Park District building 15, zip code: 100076 Patentee before: China CNR Corporation Limited |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060705 Termination date: 20100427 |