CN201242851Y - Industry network large screen - Google Patents
Industry network large screen Download PDFInfo
- Publication number
- CN201242851Y CN201242851Y CNU200820190278XU CN200820190278U CN201242851Y CN 201242851 Y CN201242851 Y CN 201242851Y CN U200820190278X U CNU200820190278X U CN U200820190278XU CN 200820190278 U CN200820190278 U CN 200820190278U CN 201242851 Y CN201242851 Y CN 201242851Y
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- Prior art keywords
- utility
- model
- central processor
- screen
- communication
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an industrial network screen, which is composed of a big display screen and a central processor; and the big display screen is connected with the central processor by an address decoding circuit. The utility model is characterized in that: the central processor is also connected with a communication protocol conversion plate by a communication interface; and the communication protocol conversion plate is also connected with a PROFIBUS protocol module through MODBUS communication protocol. The utility model solves the problem that a workshop needs a big screen to display data which is sourced from the communication display of Siemens PLC. The industrial network screen can be connected with the Siemens PLC seamlessly so as to realize bi-directional intercommunication of data. By utilizing MSP430 series CPU as central processor, the equipment has compact and flexible structure, low cost, easy manufacture, strong anti-interference capability, and wide temperate application range, and can work reliably under various severe environments, in addition, the utility model can conveniently realize multi-unit distributed control, and utilize the MSP430 to realize intercommunication and interconnection between communication protocols.
Description
Technical field
The utility model belongs to the big screen display device of a kind of industrial network, is a kind of industrial network large-size screen monitors specifically.
Background technology
Quite extensive with the PLC headed by the Siemens, DCS application at present, the Profibus-DP fieldbus of its support is also quite universal.The various devices that supplier provided such as the various sensors of domestic rise, actuator, secondary instrument are also replaced the relevant device of external import gradually, but support not enough to the interface that bus connects.
Summary of the invention
The purpose of this utility model provides and a kind ofly makes various relevant devices can hang up the Profibus-DP fieldbus easily, realize the intercommunication of data, and the various data that the user is needed that can be real-time send by the Profibus-DP network, the industrial network large-size screen monitors that show on large-size screen monitors are to remedy the deficiencies in the prior art part.
To achieve these goals, the utility model is by showing that large-size screen monitors and central processing unit constitute, and it shows that large-size screen monitors link to each other with central processing unit by address decoding circuitry, and be characterized in: central processing unit also is connected with the communications protocol change-over panel by communication interface.
Above-mentioned communications protocol change-over panel also is connected with the PROFIBUS protocol module by the MODBUS communications protocol.
The utility model solves in solving factory building needs the large-size screen monitors video data, and shows problem data from the communication of Siemens PLC C, supports and the seamless link of Siemens PLC C, realizes the two-way intercommunication of data.Utilize MSP430 series CPU as central processing unit, make that equipment is small and exquisite flexibly, cost is low, be easy to commercialization, and antijamming capability is strong, the adaptive temperature wide ranges, under various rugged surroundings, can both work reliably, can realize multimachine and distributed control easily, utilize MSP430 to realize the intercommunication interconnection of communications protocol.
Description of drawings
Fig. 1 is a theory diagram of the present utility model.
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
The utility model is by showing that large-size screen monitors and central processing unit constitute, it shows that large-size screen monitors link to each other with central processing unit by address decoding circuitry, central processing unit also is connected with the communications protocol change-over panel by communication interface, and the communications protocol change-over panel also is connected with the PROFIBUS protocol module by the MODBUS communications protocol.
As shown in Figure 1, the PLC/DCS that possesses the PROFIBUS ability to communicate will need the large-size screen monitors data presented to be sent on the PROFIBUS protocol module by the PROFIBUS bus, communications protocol change-over panel HMS/3000 comes out data parsing, put into the register of self, wait for the poll visit of central processing unit.Central processing unit MSP430 is by the physical layer protocol of RS232 serial ports and the software protocol of MODBUS, the data of needs are read from communications protocol change-over panel HMS/3000 register, by the data algorithm of self, resolve to corresponding address position and data bit, and with this information by the various corresponding datas on the address bus latch data bus, make corresponding various data on large-size screen monitors, show.
The utility model address dial-up adopts decimal system mode, and an address high position is metric ten, and the address low level is metric position.For example: the high-order dial-up in address is 6, and address low level dial-up is 3, and then Shi Ji device address is metric 63.The effective address scope is: 0～99 (0～63H).The utility model working power is DC24V, the about 40mA of individual module electric current demand is necessary in order to allow module energy steady operation suitably leave certain power supply surplus, the DC24V power supply can be the power supply that this machine of PLC carries, but must guarantee the necessary power supply capacity of PLC work, also can be other direct supplys (as using switching power supply) of autogamy, must guarantee power supply quality (as selecting the few industrial stabilized voltage supply of high-quality of the little electromagnetic radiation of ripple).
The content that is not described in detail in this instructions belongs to this area professional and technical personnel's known prior art.
Claims (2)
1, a kind of industrial network communicator, by showing that large-size screen monitors and central processing unit constitute, it shows that large-size screen monitors link to each other with central processing unit by address decoding circuitry, it is characterized in that: central processing unit also is connected with the communications protocol change-over panel by communication interface.
2, industrial network communicator as claimed in claim 1 is characterized in that: the communications protocol change-over panel also is connected with the PROFIBUS protocol module by the MODBUS communications protocol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820190278XU CN201242851Y (en) | 2008-08-16 | 2008-08-16 | Industry network large screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820190278XU CN201242851Y (en) | 2008-08-16 | 2008-08-16 | Industry network large screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201242851Y true CN201242851Y (en) | 2009-05-20 |
Family
ID=40716141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820190278XU Expired - Fee Related CN201242851Y (en) | 2008-08-16 | 2008-08-16 | Industry network large screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201242851Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103269345A (en) * | 2013-05-30 | 2013-08-28 | 沈阳师范大学 | Intelligent display device and method based on Modbus protocol |
-
2008
- 2008-08-16 CN CNU200820190278XU patent/CN201242851Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103269345A (en) * | 2013-05-30 | 2013-08-28 | 沈阳师范大学 | Intelligent display device and method based on Modbus protocol |
| CN103269345B (en) * | 2013-05-30 | 2016-02-10 | 沈阳师范大学 | A kind of intelligent display device based on Modbus agreement and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090520 Termination date: 20130816 |