CN203241798U - 32-channel digital input controlling means based on general control bus - Google Patents
32-channel digital input controlling means based on general control bus Download PDFInfo
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- CN203241798U CN203241798U CN 201320233349 CN201320233349U CN203241798U CN 203241798 U CN203241798 U CN 203241798U CN 201320233349 CN201320233349 CN 201320233349 CN 201320233349 U CN201320233349 U CN 201320233349U CN 203241798 U CN203241798 U CN 203241798U
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Abstract
The utility model discloses a 32-channel digital input controlling means based on a general control bus, and is characterized by comprising a core control module and an interface circuit, wherein the interface circuit comprises an RS485 bus interface, a digital input interface and a power supply interface circuit connected with the core control module, the core control module comprises a master control chip which is an ATMEGA128 chip respectively connected with an RS485 bus communication chip and an addressable latch chip, and then with corresponding interface circuit. The means can be used for automatic control systems of buildings on site.
Description
Technical field
The utility model relates to a kind of automatic building control system, particularly discloses a kind of 32 railway digital amount input control devices based on the general controls bus, realizes the automatically control such as digital quantity input, RS485 bus communication.
Background technology
In recent years, along with the fast development of China's economy and the rapid emergence of real estate market, industrial building is more strong to the demand of intelligent building control product.And the intelligent building that often uses on the market control product is take the LON bus product as main, thus the inconvenience of having given field adjustable, maintenance, mounting strap.
For field control, the controller that is based on the LON bus that generally uses at present, this just requires the commissioning staff can skillfully use programming language, the interface configuration of this controller, project field adjustable difficulty is large, wayward on the other hand, therefore will inevitably produce many problems in the work progress at the scene.
Summary of the invention
The purpose of this utility model is to address the deficiencies of the prior art, design a kind of 32 railway digital amount input control devices based on the general controls bus, use the ModBUS agreement, carry out communication by the RS485 bus interface, realized satisfying industrial field control by serial communication control commonly used, the project field adjustable difficulty that exists for prior art is large, wayward etc., and problem provides practicable solution and technological means.
The utility model is achieved in that a kind of 32 railway digital amount input control devices based on the general controls bus, it is characterized in that: comprise that kernel control module and interface circuit two parts form, described interface circuit comprises RS485 bus interface, digital-quantity input interface, the power interface circuit that links to each other with kernel control module, described kernel control module comprises a main control chip, described main control chip is the ATMEGA128 chip, it respectively with after RS485 bus communication chip, data selector chip link to each other, connects respectively corresponding interface circuit first again.The main control chip of described kernel control module is the ATMEGA128 chip that American ATMEL is produced.
The beneficial effects of the utility model are: the utility model is integrated with digital-quantity input interface, RS485 bus interface, power interface, kernel control module circuit etc., has realized on-the-spot building automatic control.
Description of drawings
Fig. 1 is the utility model structured flowchart.
Embodiment
With reference to the accompanying drawings, a kind of 32 railway digital amount input control devices based on the general controls bus of the utility model, its structure comprises that kernel control module and interface circuit two parts form.Wherein interface circuit also comprises some external interfaces, such as RS485 bus interface, digital-quantity input interface, power interface, kernel control module mainly comprises a main control chip and relevant peripheral matched circuit, this kernel control module respectively with after RS485 bus communication chip, data selector chip link to each other, connects respectively corresponding interface circuit first again.In addition, power interface also is the kernel control module power supply.The ATMEGA128 chip that the main control chip of kernel control module adopts American ATMEL to produce.
Specific works process of the present utility model is as follows:
After the normal startup of the utility model, when having action, external unit can get access to signal by digital-quantity input interface, deliver to again kernel control module, through main control chip data are processed, deliver to host computer by the RS485 bus interface again.
The utility model uses the ModBUS agreement, carry out communication by the RS485 bus interface, realized satisfying industrial field control by serial communication control commonly used, for the problems such as project field adjustable difficulty is large, wayward provide practicable solution and technological means.
Above embodiment is only for illustration of the utility model; but not to restriction of the present utility model; those skilled in the art are in the situation that does not break away from spirit and scope of the present utility model; can also make various being equal to or equivalent conversion or variation; its technical scheme also should belong to category of the present utility model, and protection domain of the present utility model limits with claim of the present utility model and is as the criterion.
Claims (2)
1. 32 railway digital amount input control devices based on the general controls bus, it is characterized in that: comprise that kernel control module and interface circuit two parts form, described interface circuit comprises RS485 bus interface, digital-quantity input interface, the power interface circuit that links to each other with kernel control module, described kernel control module comprises a main control chip, described main control chip is the ATMEGA128 chip, it respectively with after RS485 bus communication chip, data selector chip link to each other, connects respectively corresponding interface circuit first again.
2. described 32 railway digital amount input control devices based on the general controls bus according to claim 1, it is characterized in that: the main control chip of described kernel control module is the ATMEGA128 chip that American ATMEL is produced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320233349 CN203241798U (en) | 2013-05-03 | 2013-05-03 | 32-channel digital input controlling means based on general control bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320233349 CN203241798U (en) | 2013-05-03 | 2013-05-03 | 32-channel digital input controlling means based on general control bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203241798U true CN203241798U (en) | 2013-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320233349 Expired - Fee Related CN203241798U (en) | 2013-05-03 | 2013-05-03 | 32-channel digital input controlling means based on general control bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203241798U (en) |
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2013
- 2013-05-03 CN CN 201320233349 patent/CN203241798U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20180503 |