CN204241896U - RS232, RS485 communication module - Google Patents
RS232, RS485 communication module Download PDFInfo
- Publication number
- CN204241896U CN204241896U CN201420672754.7U CN201420672754U CN204241896U CN 204241896 U CN204241896 U CN 204241896U CN 201420672754 U CN201420672754 U CN 201420672754U CN 204241896 U CN204241896 U CN 204241896U
- Authority
- CN
- China
- Prior art keywords
- utility
- model
- selection circuit
- host cpu
- serial ports
- Prior art date
- 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.)
- Active
Links
Abstract
The utility model belongs to Power Supply Monitoring technical field, specifically a kind of RS232, RS485 communication module.The utility model comprises DB9 serial port, DB25 serial ports, and described DB9 serial port is connected with selection circuit and host CPU effect, and selection circuit and host CPU are connected with the effect of DB25 serial ports by signaling conversion circuit.Compatible RS232/RS485 communication function (following SCPI agreement) of the utility model, uses serial ports to connect; Can will to send instructions under host computer or information needed is converted to 0-5VDC analog quantity, to realize communication and the monitoring function of upper and lower computer.In addition, the utility model structure is simple, and practical, the utility model is adapted at correlative technology field and applies.
Description
Technical field
The utility model belongs to Power Supply Monitoring technical field, specifically a kind of RS232, RS485 communication module.
Background technology
In Power Supply Monitoring technical field, the communication of host computer and slave computer and monitoring function need specific communication module to realize.The utility model discloses RS232, RS485 two kinds of communication modules to be used for realizing this function.
Utility model content
The purpose of this utility model is to provide a kind of RS232, RS485 communication module.
The utility model comprises DB9 serial port, DB25 serial ports, and described DB9 serial port is connected with selection circuit and host CPU effect, and selection circuit and host CPU are connected with the effect of DB25 serial ports by signaling conversion circuit.
Preferably, described DB9 serial port is connected with selection circuit and host CPU effect by RS232 chip.
Preferably, described DB9 serial port is connected with selection circuit and host CPU effect by RS485 chip.
The functional module that the utility model is monitoring function for realizing switching dc power supply host computer and develops, compatible RS232/RS485 communication function (following SCPI agreement), uses serial ports to connect; Can will to send instructions under host computer or information needed is converted to 0-5VDC analog quantity, to realize communication and the monitoring function of upper and lower computer.In addition, the utility model structure is simple, and practical, the utility model is adapted at correlative technology field and applies.
Accompanying drawing explanation
Fig. 1 is the utility model schematic diagram.
Embodiment
Below with reference to accompanying drawings the utility model is described in more detail, which show preferred embodiment of the present utility model, should be appreciated that those skilled in the art can revise the utility model described here and still realize advantageous effects of the present utility model.Therefore, following description is appreciated that extensively knowing for those skilled in the art, and not as to restriction of the present utility model.
In order to clear, whole features of practical embodiments are not described.They in the following description, are not described in detail known function and structure, because can make the utility model chaotic due to unnecessary details.Will be understood that in the exploitation of any practical embodiments, a large amount of implementation detail must be made to realize the specific objective of developer, such as, according to regarding system or the restriction about business, change into another embodiment by an embodiment.In addition, will be understood that this development may be complicated and time-consuming, but be only routine work to those skilled in the art.
For making the purpose of this utility model, feature becomes apparent, and is further described embodiment of the present utility model below in conjunction with accompanying drawing.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, aid illustration the utility model embodiment lucidly.
As shown in Figure 1, the utility model comprises DB9 serial port 1, DB25 serial ports 2, and described DB9 serial port 1 acts on selection circuit and host CPU 3 and being connected, and selection circuit and host CPU 3 are connected with the effect of DB252 serial ports by signaling conversion circuit 4.
DB9 serial port 1 of the present utility model is acted on selection circuit and host CPU 3 by RS232 chip and being connected.
DB9 serial port 1 of the present utility model is acted on selection circuit and host CPU 3 by RS485 chip and being connected.
Compatible RS232/RS485 communication function (following SCPI agreement) of the utility model, uses serial ports to connect; Can will to send instructions under host computer or information needed is converted to 0-5VDC analog quantity, to realize communication and the monitoring function of upper and lower computer.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model embodiment.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from the spirit or scope of the utility model embodiment, can realize in other embodiments.Therefore, the utility model embodiment can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
These are only the preferred embodiment of the utility model embodiment; not in order to limit the utility model embodiment; within all spirit in the utility model embodiment and principle; any amendment of doing, equivalent replacement, improvement etc., within the protection domain that all should be included in the utility model embodiment.
Claims (3)
1.RS232, RS485 communication module, comprises DB9 serial port, DB25 serial ports, it is characterized in that described DB9 serial port is connected with selection circuit and host CPU effect, and selection circuit and host CPU are connected with the effect of DB25 serial ports by signaling conversion circuit.
2. RS232, RS485 communication module according to claim 1, is characterized in that described DB9 serial port is connected with selection circuit and host CPU effect by RS232 chip.
3. RS232, RS485 communication module according to claim 1, is characterized in that described DB9 serial port is connected with selection circuit and host CPU effect by RS485 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420672754.7U CN204241896U (en) | 2014-11-12 | 2014-11-12 | RS232, RS485 communication module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420672754.7U CN204241896U (en) | 2014-11-12 | 2014-11-12 | RS232, RS485 communication module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204241896U true CN204241896U (en) | 2015-04-01 |
Family
ID=52771365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420672754.7U Active CN204241896U (en) | 2014-11-12 | 2014-11-12 | RS232, RS485 communication module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204241896U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108874706A (en) * | 2018-06-01 | 2018-11-23 | 国网安徽省电力有限公司阜阳供电公司 | A kind of multifunctional printing conversion equipment |
-
2014
- 2014-11-12 CN CN201420672754.7U patent/CN204241896U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108874706A (en) * | 2018-06-01 | 2018-11-23 | 国网安徽省电力有限公司阜阳供电公司 | A kind of multifunctional printing conversion equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204241896U (en) | RS232, RS485 communication module | |
| CN204229835U (en) | A kind of USB interface modular converter | |
| CN203070164U (en) | Integrated circuit board card | |
| CN202524426U (en) | Enterprise cloud computing service application system | |
| CN207123835U (en) | Versatile interface integrated box | |
| CN201813396U (en) | CANopen-CAN (controller area network) gateway | |
| CN203822979U (en) | Synchronous pulley mounting plate | |
| CN205029644U (en) | Circuit structure of how compatible two -way serial ports of electric heater | |
| CN204242153U (en) | Touch screen system | |
| CN206022836U (en) | A kind of Signals Transfer Board | |
| CN205149339U (en) | Plotter carton paging device | |
| CN203942546U (en) | A kind of transition of communications gateway module | |
| CN203813781U (en) | USB and PLC communication converter | |
| CN203870418U (en) | Placement machine PCB control panel | |
| CN204244057U (en) | Switching dc power supply modules in parallel | |
| CN203799373U (en) | Difunctional USB equipment | |
| CN204243899U (en) | Isolation remote monitoring module | |
| CN202305585U (en) | Active test fixture | |
| CN203133828U (en) | Simple terminal handset | |
| CN204517834U (en) | Multichannel communication supervisor | |
| CN202200739U (en) | Novel drawing ruler | |
| CN202836739U (en) | Control circuit for electronic scale with source-tracing function | |
| CN203812233U (en) | Bus communication-based multi-computer keyboard managing device | |
| CN205048529U (en) | Take bluetooth function's electric heater | |
| CN205003620U (en) | Input/output expanding unit of yard system is read to notebook |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |