CN202257229U - LED (light emitting diode) board control system based on DEVICENET bus - Google Patents
LED (light emitting diode) board control system based on DEVICENET bus Download PDFInfo
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- CN202257229U CN202257229U CN2011203480657U CN201120348065U CN202257229U CN 202257229 U CN202257229 U CN 202257229U CN 2011203480657 U CN2011203480657 U CN 2011203480657U CN 201120348065 U CN201120348065 U CN 201120348065U CN 202257229 U CN202257229 U CN 202257229U
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- China
- Prior art keywords
- interface
- devicenet
- led
- microprocessor
- communication
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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
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The utility model discloses an LED (light emitting diode) board control system based on a DEVICENET bus. The LED board control system is characterized by comprising a 24V-to-5V power module and interface, a micro-processor, an LED data buffer drive and interface, a DEVICENET protocol processing unit, a DC/DC (direct current) power and communication isolation and interface, and a TTL-to-RS232 circuit and interface. The LED board control system based on a DEVICENET bus has the advantages of high rate, good stability, flexible application and low cost.
Description
Technical field
The utility model is applied to the automobile production field, particularly relates to a kind of LED based on the DEVICENET bus and sees panel control system.
Background technology
DEVICENET plants to be widely used in the auto-producing fieldbus, has the characteristics of two-forty high stability.Because the existing product of this bus all originates from abroad basically, so price is very high.And the common LED billboard can't insert fieldbus at the auto-producing scene.
Summary of the invention
The utility model purpose is to provide a kind of LED based on the DEVICENET bus to see panel control system to the defective of prior art.
The utility model adopts following technical scheme for realizing above-mentioned purpose:
A kind of LED based on the DEVICENET bus sees panel control system; It is characterized in that: it comprises that 24 change 5V power module and interface, microprocessor, and the LED data buffering drives and interface; The DEVICENET protocol processing unit; DC/DC power supply and communication isolation and interface, TTL RS 232 circuit and interface, wherein
Said 24 commentaries on classics 5V power modules and interface are realized the wide voltage input of 5V to 50V through high efficiency DC/DC circuit, obtain the required 5V voltage of chip;
Said microprocessor is used to realize the exchanges data with other modules, and the running of control total system;
The LED data-signal that said LED data buffering drives and interface is used for microprocessor is sent here cushions, the driving force of enhancing signal, and realize the LED interface;
Said DEVICENET protocol processing unit is responsible for DEVICENET communication and agreement, will receive that the DEVICENET data processing becomes serial data, supplies the microprocessor unit access;
Said DC/DC power supply and communication isolation and interface realize that the transmitting-receiving of DEVICENET bus drives and conversion of signals, and in order to guarantee the stability of communication, the DEVICENET EBI has partly used the two of power supply and communication interface to isolate;
Said TTL RS 232 circuit and interface, as system upgrade interface and systematic parameter configuration interface, through upper computer software, upgrade-system or systematic parameter is set at the scene.
The utlity model has speed height, good stability, and the low advantage of applying flexible cost.
Description of drawings
Fig. 1 is the utility model circuit block diagram.
Embodiment
A kind of LED based on the DEVICENET bus as shown in Figure 1 sees panel control system; It comprises that 24 change 5V power module and interface 1, microprocessor 2, and the LED data buffering drives and interface 3; DEVICENET protocol processing unit 4; DC/DC power supply and communication isolation and interface 6, TTL RS 232 circuit and interface 5, wherein
Said 24 commentaries on classics 5V power modules and interface 1 are realized the wide voltage input of 5V to 50V through high efficiency DC/DC circuit, obtain the required 5V voltage of chip;
Said microprocessor 2 is used to realize the exchanges data with other modules, and the running of control total system;
The LED data-signal that said LED data buffering drives and interface 3 is used for microprocessor is sent here cushions, the driving force of enhancing signal, and realize the LED interface;
Said DEVICENET protocol processing unit 4 is responsible for DEVICENET communication and agreement, will receive that the DEVICENET data processing becomes serial data, supplies the microprocessor unit access;
Said DC/DC power supply and communication isolation and interface 6 realize that the transmitting-receiving of DEVICENET bus drives and conversion of signals, and in order to guarantee the stability of communication, the DEVICENET EBI has partly used the two of power supply and communication interface to isolate;
Said TTL RS 232 circuit and interface 5, as system upgrade interface and systematic parameter configuration interface, through upper computer software, upgrade-system or systematic parameter is set at the scene.
The workflow of the utility model is following:
1. system powers on, and microprocessor 2 initialization DEVICENET protocol processing unit 4 drive and interface 3 initialization external LED display units through the LED data buffering.
2. microprocessor 2 circular test DEVICENET protocol processing unit 4 have or not data updated, and monitor system upgrade order or the parameter configuration order that has or not host computer through TTL RS 232 circuit and interface 5.
3. DEVICENET protocol processing unit 4 is monitored the DEVICENET bus through communication isolation and interface, waits for bus data.
4. obtain bus data when DEVICENET protocol processing unit 4, these cell processing data, and the useful data bag parsed, wait for microprocessor 2 accesses.
5. microprocessor 2 detects DEVICENET protocol processing unit 4 has Data Update, and DEVICENET protocol processing unit 4 is sent the data access order, and receives effective data packets.
6. microprocessor 2 resolution data bags, and data processing become to meet the form of external LED display unit, drive and interface 3 through the LED data buffering, send to the external LED display unit, the output of accomplishing data shows.
7. work as microprocessor 2 and receive the systematic parameter configuration order, then the configuration parameter that obtains is saved in the internal storage, restart and then use new parameter through TTL RS 232 circuit and interface 5.
8. work as microprocessor 2 and receive the system upgrade order through TTL RS 232 circuit and interface 5, then set up upgrading with host computer and be connected, finish up to system update, system restarts automatically.
Claims (1)
1. the LED based on the DEVICENET bus sees panel control system; It is characterized in that: it comprises that 24 change 5V power module and interface, microprocessor, and the LED data buffering drives and interface; The DEVICENET protocol processing unit; DC/DC power supply and communication isolation and interface, TTL RS 232 circuit and interface, wherein
Said 24 commentaries on classics 5V power modules and interface are realized the wide voltage input of 5V to 50V through high efficiency DC/DC circuit, obtain the required 5V voltage of chip;
Said microprocessor is used to realize the exchanges data with other modules, and the running of control total system;
The LED data-signal that said LED data buffering drives and interface is used for microprocessor is sent here cushions, the driving force of enhancing signal, and realize the LED interface;
Said DEVICENET protocol processing unit is responsible for DEVICENET communication and agreement, will receive that the DEVICENET data processing becomes serial data, supplies the microprocessor unit access;
Said DC/DC power supply and communication isolation and interface realize that the transmitting-receiving of DEVICENET bus drives and conversion of signals, and in order to guarantee the stability of communication, the DEVICENET EBI has partly used the two of power supply and communication interface to isolate;
Said TTL RS 232 circuit and interface, as system upgrade interface and systematic parameter configuration interface, through upper computer software, upgrade-system or systematic parameter is set at the scene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203480657U CN202257229U (en) | 2011-09-16 | 2011-09-16 | LED (light emitting diode) board control system based on DEVICENET bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203480657U CN202257229U (en) | 2011-09-16 | 2011-09-16 | LED (light emitting diode) board control system based on DEVICENET bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202257229U true CN202257229U (en) | 2012-05-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203480657U Expired - Lifetime CN202257229U (en) | 2011-09-16 | 2011-09-16 | LED (light emitting diode) board control system based on DEVICENET bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202257229U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331770A (en) * | 2011-09-16 | 2012-01-25 | 无锡安东科技有限公司 | LED (light-emitting diode) board control system based on DEVICENET bus |
-
2011
- 2011-09-16 CN CN2011203480657U patent/CN202257229U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331770A (en) * | 2011-09-16 | 2012-01-25 | 无锡安东科技有限公司 | LED (light-emitting diode) board control system based on DEVICENET bus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
|
| CX01 | Expiry of patent term |