CN208904883U - Portable PLC program download apparatus - Google Patents
Portable PLC program download apparatus Download PDFInfo
- Publication number
- CN208904883U CN208904883U CN201821875393.0U CN201821875393U CN208904883U CN 208904883 U CN208904883 U CN 208904883U CN 201821875393 U CN201821875393 U CN 201821875393U CN 208904883 U CN208904883 U CN 208904883U
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- China
- Prior art keywords
- diode
- connect
- power supply
- conversion module
- power conversion
- 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.)
- Withdrawn - After Issue
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 34
- 238000004891 communication Methods 0.000 claims abstract description 19
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Abstract
The utility model discloses a kind of portable PLC program download apparatus, including power supply, power conversion module, 232 communication modules and main control MCU chip, series diode D10 between the output end of the power supply and the input terminal of the power conversion module, the anode of the diode D10 is connect with the output end of the power supply, the cathode of the diode D10 is connect with the input terminal of the power conversion module, the output end of the power conversion module is connect with the power end of main control MCU chip, diode D12 and diode D11 are sequentially connected in series between the output end and input terminal of the power conversion module, the anode of the diode D12 is connect with the output end of the power conversion module, the cathode of the diode D12 is connect with the anode of the diode D11, the diode D1 1 cathode is connect with the input terminal of the power conversion module, and the main control MCU chip is connect with one end of 232 communication module, and the other end of 232 communication module is connect with the anode of the diode D11.The safety of circuit is ensured.
Description
Technical field
The utility model relates to the fields PLC, and in particular, to a kind of portable PLC program download apparatus.
Background technique
Currently, existing some PLC device installation environments are more complicated, and be inconvenient to dismantle, more new procedures when maintenance
Can be more troublesome, it needs to consider that chip is powered, and need to connect the special programming program of PC, increases the complexity of burning and maintenance
Property.
Utility model content
The purpose of this utility model is that in view of the above-mentioned problems, a kind of portable PLC program download apparatus is proposed, with reality
The advantages of improving power supply safety under present auxiliary environment.
To achieve the above object, technical solutions of the utility model provide a kind of portable PLC program download apparatus, including
Power supply, power conversion module, 232 communication modules and main control MCU chip, the output end of the power supply and the power conversion module
Input terminal between series diode D10, the anode of the diode D10 connect with the output end of the power supply, two pole
The cathode of pipe D10 is connect with the input terminal of the power conversion module, the output end and main control MCU core of the power conversion module
The power end of piece connects, and is sequentially connected in series diode D12 and diode between the output end and input terminal of the power conversion module
The anode of D11, the diode D12 are connect with the output end of the power conversion module, the cathode of the diode D12 and institute
The anode connection of diode D11 is stated, the cathode of the diode D11 is connect with the input terminal of the power conversion module, described
Main control MCU chip is connect with one end of 232 communication module, the other end of 232 communication module and the diode D11
Anode connection.
Preferably, the power supply, using battery.
Preferably, the power supply, using No. 5 dry cells.
It preferably, further include memory module, ethernet module, LED light and input key, the ethernet module and storage
Module with the main control MCU chip two-way communication link, the end I/O of the input terminal of the LED light and the main control MCU chip
The output end of connection, the input key is connect with the end I/O of the main control MCU chip.
Preferably, the memory module uses Flash memory chip.
Preferably, the LED, including indicator of the power supply status, communication state indicator light, internal information indicator light or mistake
Indicator light.
Preferably, the input key, including uploading the key of downloading program, for selecting to upload downloading journey for controlling
The dial-up of sequence interface, the switch for selecting to upload the still dial-up of downloading or for controlling battery supply.
Preferably, the power conversion module, for the output level of power supply to be carried out pressure stabilizing and is converted to setting level.
The technical solution of the utility model has the advantages that
The technical solution of the utility model is led to by the way that 3 diodes are arranged between power supply and main control MCU chip by 232
The power supply of the power supply and main control MCU chip of interrogating module is isolated, to make power supply circuit not interfere with each other, to ensure electricity
The safety on road.
And mouth and Ethernet interface are concatenated by providing 232 communication modules, a variety of connect is provided for the downloading of PLC chip program
Mouthful, facilitate program to download.And memory module is set, the program downloaded can will be needed to store into memory module, when downloading, then
The content in memory module is called, is loaded into PLC, to further reduced the complexity of PLC chip burning program.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Detailed description of the invention
Fig. 1 is the functional block diagram of portable PLC program download apparatus described in the utility model embodiment.
Specific embodiment
It will be appreciated that the described embodiments are only a part of the embodiments of the utility model, rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
The all other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, a kind of portable PLC program download apparatus, including power supply, power conversion module, 232 communication modules
With main control MCU chip, series diode D10 between the output end of the power supply and the input terminal of the power conversion module, institute
The anode for stating diode D10 is connect with the output end of the power supply, the cathode of the diode D10 and the power conversion module
Input terminal connection, the output end of the power conversion module connect with the power end of main control MCU chip, the power supply modulus of conversion
Be sequentially connected in series diode D12 and diode D11 between the output end and input terminal of block, the anode of the diode D12 with it is described
The output end of power conversion module connects, and the cathode of the diode D12 is connect with the anode of the diode D11, and described two
The cathode of pole pipe D11 is connect with the input terminal of the power conversion module, the main control MCU chip and 232 communication module
One end connection, the other end of 232 communication module connect with the anode of the diode D11.It, will when PCL program is downloaded
PLC chip insertion main control MCU chip can download program.
Preferably, the power supply, using battery.Power supply can use alternating current and battery simultaneously in specific implement scene
With.
Preferably, the power supply, using No. 5 dry cells.
It preferably, further include memory module, ethernet module, LED light and input key, the ethernet module and storage
Module with the main control MCU chip two-way communication link, the end I/O of the input terminal of the LED light and the main control MCU chip
The output end of connection, the input key is connect with the end I/O of the main control MCU chip.
Preferably, the memory module uses Flash memory chip.
Preferably, the LED, including indicator of the power supply status, communication state indicator light, internal information indicator light or mistake
Indicator light.
Preferably, the input key, including uploading the key of downloading program, for selecting to upload downloading journey for controlling
The dial-up of sequence interface, the switch for selecting to upload the still dial-up of downloading or for controlling battery supply.
Preferably, the power conversion module, for the output level of power supply to be carried out pressure stabilizing and is converted to setting level.
The conversion circuit that power conversion module can be formed using existing LM2575 conversion circuit or LM780 chip.
The technical program is powered using battery, ensure that PLC device under complex environment, the downloading to program, and conveniently
Flexibly.Even if when PLC ontology download interface electrification simultaneously fever writes will not be damaged, circuit design is fool proof.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, the change that can be readily occurred in
Change or replace, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with right
It is required that protection scope subject to.
Claims (8)
1. a kind of portable PLC program download apparatus, which is characterized in that including power supply, power conversion module, 232 communication modules
With main control MCU chip, series diode D10 between the output end of the power supply and the input terminal of the power conversion module, institute
The anode for stating diode D10 is connect with the output end of the power supply, the cathode of the diode D10 and the power conversion module
Input terminal connection, the output end of the power conversion module connect with the power end of main control MCU chip, the power supply modulus of conversion
Be sequentially connected in series diode D12 and diode D11 between the output end and input terminal of block, the anode of the diode D12 with it is described
The output end of power conversion module connects, and the cathode of the diode D12 is connect with the anode of the diode D11, and described two
The cathode of pole pipe D11 is connect with the input terminal of the power conversion module, the main control MCU chip and 232 communication module
One end connection, the other end of 232 communication module connect with the anode of the diode D11.
2. portable PLC program download apparatus according to claim 1, which is characterized in that the power supply, using battery.
3. portable PLC program download apparatus according to claim 1, which is characterized in that the power supply, it is dry using No. 5
Battery.
4. portable PLC program download apparatus according to claim 1,2 or 3, which is characterized in that further include storage mould
Block, ethernet module, LED light and input key, the ethernet module and memory module are two-way with the main control MCU chip
Communication connection, the input terminal of the LED light connect with the end I/O of the main control MCU chip, the output end for inputting key and
The end I/O of the main control MCU chip connects.
5. portable PLC program download apparatus according to claim 4, which is characterized in that the memory module uses
Flash memory chip.
6. portable PLC program download apparatus according to claim 4, which is characterized in that the LED, including power supply shape
State indicator light, communication state indicator light, internal information indicator light or error indication lamp.
7. portable PLC program download apparatus according to claim 4, which is characterized in that the input key, including with
The key of downloading program, the dial-up for selecting upload downloading routine interface are uploaded in control, are still downloaded for selecting to upload
Dial-up or switch for controlling battery supply.
8. portable PLC program download apparatus according to claim 1, which is characterized in that the power conversion module is used
In the output level of power supply is carried out pressure stabilizing and is converted to setting level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821875393.0U CN208904883U (en) | 2018-11-14 | 2018-11-14 | Portable PLC program download apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821875393.0U CN208904883U (en) | 2018-11-14 | 2018-11-14 | Portable PLC program download apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208904883U true CN208904883U (en) | 2019-05-24 |
Family
ID=66577863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821875393.0U Withdrawn - After Issue CN208904883U (en) | 2018-11-14 | 2018-11-14 | Portable PLC program download apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208904883U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109302053A (en) * | 2018-11-14 | 2019-02-01 | 无锡信捷电气股份有限公司 | Portable PLC program download apparatus |
-
2018
- 2018-11-14 CN CN201821875393.0U patent/CN208904883U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109302053A (en) * | 2018-11-14 | 2019-02-01 | 无锡信捷电气股份有限公司 | Portable PLC program download apparatus |
| CN109302053B (en) * | 2018-11-14 | 2024-04-12 | 无锡信捷电气股份有限公司 | Portable PLC program downloading device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190524 Effective date of abandoning: 20240412 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190524 Effective date of abandoning: 20240412 |