CN202583799U - Hot-plug master programmable logic controller (PLC) - Google Patents

Hot-plug master programmable logic controller (PLC) Download PDF

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Publication number
CN202583799U
CN202583799U CN 201220235272 CN201220235272U CN202583799U CN 202583799 U CN202583799 U CN 202583799U CN 201220235272 CN201220235272 CN 201220235272 CN 201220235272 U CN201220235272 U CN 201220235272U CN 202583799 U CN202583799 U CN 202583799U
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China
Prior art keywords
module
hot
unit
power supply
power
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Application number
CN 201220235272
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Chinese (zh)
Inventor
李玮
吴晓闯
白志斌
于东伟
王玉宏
王耀华
田涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rockontrol Technology Group Limited by Share Ltd
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SHANXI LIANHUA WEIYE TECHNOLOGY CO LTD
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Priority to CN 201220235272 priority Critical patent/CN202583799U/en
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Abstract

The utility model relates to a hot-plug master programmable logic controller (PLC). Hot plugging between the master controller and a back power supply can be directly carried out. The technical scheme is that the hot-plug master PLC comprises a microprogrammed control unit (MCU) core unit, a power supply hot-plug control unit, a man-machine interaction unit, an SD card interface unit and a communication unit, a power supply port of the MCU core unit is connected with a power supply output end of the power supply hot-plug control unit, a communication port of the MCU core unit is connected with the communication unit, and the MCU core unit is further connected with the man-machine interaction unit and the SD card interface unit. The hot-plug master PLC is widely applicable to the industrial control field.

Description

A kind of hot swappable PLC master controller
Technical field
A kind of hot swappable PLC of the utility model master controller, relate to a kind of can be directly and the hot-swappable PLC master controller of backboard power supply.
Background technology
The PLC system is the part of industrial process control organic composition, from simple production line to environmental system with various commercial Application such as iron and steel manufacturing, all be unable to do without the control of PLC system; The PLC system can provide various analog-and digital-I/O interfaces, realizes the conversion of information acquisition and data communication protocol.
On-the-spot in Industry Control, if PLC device hardware failure or software fault occur, all be that first shutdown system power supply overhauls or change faulty equipment more usually; And in the very high system of some reliability requirements, be not allow to shut down maintenance and shut down to change faulty board, at this moment just necessary charged hot plug fault plate; But when the hot plug fault plate; The source current spike can impact to the circuitry of hot plug, causes the work confusion, resets, even burn circuit; In addition, the interface signal line level can be shaken when inserting the faulty board that overhauls well once more, can influence the operate as normal of other operating circuit in the total system.
The utility model content
The utility model overcomes the deficiency that prior art exists, and technical matters to be solved is: provide a kind of can be directly and the hot-swappable PLC master controller of backboard power supply.
For solving the problems of the technologies described above; The technical scheme that the utility model adopted is: a kind of hot swappable PLC master controller; Comprise MCU core cell, Power Supply Hot Swap control module, man-machine interaction unit, SD card unit and communication unit; The power port of said MCU core cell links to each other with the power output end of Power Supply Hot Swap control module, and the PORT COM of MCU core cell is connected with communication unit, and the MCU core cell also is connected with man-machine interaction unit and SD card unit;
Said Power Supply Hot Swap control module includes current-limiting protection module, overvoltage protective module, hot-swapping controller module, Filtering Processing module and power transfer module; The output terminal of said current-limiting protection module links to each other with the input end of power transfer module after being connected in series overvoltage protective module, hot-swapping controller module and Filtering Processing module successively, and the output terminal of said power transfer module is the power output end of Power Supply Hot Swap control module.
Said communication unit includes USB interface, CAN EBI, Ethernet interface and RS232 interface.
Said MCU core cell adopts the AT91SAM9263 processor.
The power output end of said power transfer module comprises the output port of power source of a plurality of different electric pressures.
The beneficial effect that the utility model compared with prior art has is: the utility model adopts hot plug power supply control technology, realizes the module safe hot plug, guarantees the operate as normal of system; Adopt the AT91SAM9263 processor, support multiple functional unit, peripheral interface is abundant, and expansion is strong, can satisfy the commercial Application of different field; Adopt the USB3.0 full duplex communication, realize the quick transmission of data; The circuit of multiple functional unit is integrated in the circuit board, adopts the multi-layer PCB design, the anti-interference of intensifier.
Description of drawings
Below in conjunction with accompanying drawing the embodiment of the utility model is done further detailed explanation:
Fig. 1 is the electrical block diagram of the utility model;
Among the figure: 1 is that MCU core cell, 2 is that Power Supply Hot Swap control module, 3 is that man-machine interaction unit, 4 is that SD card unit, 5 is that communication unit, 6 is that current limliting protection module, 7 is that overvoltage protective module, 8 is that hot-swapping controller module, 9 is that Filtering Processing module, 10 is a power transfer module.
Embodiment
As shown in Figure 1; A kind of hot swappable PLC of the utility model master controller; Comprise MCU core cell 1, Power Supply Hot Swap control module 2, man-machine interaction unit 3, SD card unit 4 and communication unit 5; The power port of said MCU core cell 1 links to each other with the power output end of Power Supply Hot Swap control module 2, and the PORT COM of MCU core cell 1 is connected with communication unit 5, and MCU core cell 1 also is connected with man-machine interaction unit 3 and SD card unit 4.
Said Power Supply Hot Swap control module 2 includes current-limiting protection module 6, overvoltage protective module 7, hot-swapping controller module 8, Filtering Processing module 9 and power transfer module 10; The input end of said current-limiting protection module 6 links to each other with the backboard power supply; The output terminal of current-limiting protection module 6 is connected in series overvoltage protective module 7, hot-swapping controller module 8 and Filtering Processing module 9 backs successively and links to each other with the input end of power transfer module 10; The output terminal of said power transfer module 10 is the power output end of Power Supply Hot Swap control module 2, and the power output end of power transfer module 10 comprises the output port of power source of a plurality of different electric pressures.
The input end of above-mentioned current-limiting protection module 6 can directly link to each other with the backboard power supply; Get the 24V direct current from the backboard slot; 24V direct current through current-limiting protection module 6 and 7 pairs of inputs of overvoltage protective module carries out current limliting and overvoltage protection; The utility model was produced in hot plug process when moment, peak current was with big voltage, can prevent that spike from getting into circuit and causing and permanently destroy with transience, the controller in the above-mentioned hot-swapping controller module 8 has programmable limits electric current, overcurrent protection, latch and function such as operation automatically; 24V direct current after hot-swapping controller module 8 is handled is again after 9 filtering of Filtering Processing module; Send into power transfer module 10, power transfer module 10 is the direct supply of each circuit and the needed different electric pressures of module with the 24V voltage transitions, is whole device power supply.
Said communication unit 5 includes USB interface, CAN EBI, Ethernet interface and RS232 interface, and said USB interface adopts USB 3.0 full-duplex communication agreements, can be used as with backboard on high speed communication module communication and High Speed I/O module communication interface; Said CAN EBI adopts the CANopen agreement, can be used as with backboard on low speed I/O functional module communication interface; Said Ethernet interface adopts the two-way Ethernet interface, and one the tunnel communicates by letter with long-range host computer, and another road is used for expanding remote I/O and perhaps expands long-range backboard; Said RS232 interface adopts Modbus communication protocol, has telecommunications functions.
Above-mentioned MCU core cell 1 is the utility model data processing core part; Said MCU core cell 1 adopts the AT91SAM9263 processor; The AT91SAM9263 microprocessor is supported multiple functional unit, and peripheral interface is abundant, and expansion is strong; Have aboundresources, at a low price, characteristics such as power saving, high speed and volume be little, Industry Control, instrument and meter, computing machine, etc. numerous areas have extremely wide application.
Above-mentioned man-machine interaction unit 3 can be through a firm and hard existing interactive function of recessed lighting fitting; Have 24 LED displays; The information such as operation, warning, state indication that can show collection, the MCU core cell of observation signal; Said SD card unit 4 can extended memory, is convenient to standby system or ROMPaq.
It is the hot-swapping controller of TPS2491 that hot-swapping controller module 8 in the above-mentioned Power Supply Hot Swap control module 2 can adopt model, and the utility model circuit can be integrated in the circuit board, adopts the multi-layer PCB design, improves interference free performance; The utility model links to each other with backboard through Power Supply Hot Swap control module 2, and this connected mode is installed firmly, does not have connection cable, and the occasion circuit structure that can work in vibration is simple; Have very high reliability, can be applied to has the harsh system that requires to reliability.

Claims (4)

1. hot swappable PLC master controller; It is characterized in that: comprise MCU core cell (1), Power Supply Hot Swap control module (2), man-machine interaction unit (3), SD card unit (4) and communication unit (5); The power port of said MCU core cell (1) links to each other with the power output end of Power Supply Hot Swap control module (2); The PORT COM of MCU core cell (1) is connected with communication unit (5), and MCU core cell (1) also is connected with man-machine interaction unit (3) and SD card unit (4);
Said Power Supply Hot Swap control module (2) includes current-limiting protection module (6), overvoltage protective module (7), hot-swapping controller module (8), Filtering Processing module (9) and power transfer module (10); The output terminal of said current-limiting protection module (6) is connected in series overvoltage protective module (7), hot-swapping controller module (8) and Filtering Processing module (9) back successively and links to each other with the input end of power transfer module (10), and the output terminal of said power transfer module (10) is the power output end of Power Supply Hot Swap control module (2).
2. a kind of hot swappable PLC master controller according to claim 1, it is characterized in that: said communication unit (5) includes USB interface, CAN EBI, Ethernet interface and RS232 interface.
3. a kind of hot swappable PLC master controller according to claim 1 and 2 is characterized in that: said MCU core cell (1) adopts the AT91SAM9263 processor.
4. a kind of hot swappable PLC master controller according to claim 3 is characterized in that: the power output end of said power transfer module (10) comprises the output port of power source of a plurality of different electric pressures.
CN 201220235272 2012-05-24 2012-05-24 Hot-plug master programmable logic controller (PLC) Active CN202583799U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220235272 CN202583799U (en) 2012-05-24 2012-05-24 Hot-plug master programmable logic controller (PLC)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220235272 CN202583799U (en) 2012-05-24 2012-05-24 Hot-plug master programmable logic controller (PLC)

Publications (1)

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CN202583799U true CN202583799U (en) 2012-12-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105334929A (en) * 2015-11-27 2016-02-17 安徽四创电子股份有限公司 Multi-modal signal backplane

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105334929A (en) * 2015-11-27 2016-02-17 安徽四创电子股份有限公司 Multi-modal signal backplane

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: 101102 Zhongguancun science and Technology Park, Tongzhou Park light and electrical integration industrial base, government road, room 2, No. 212, room

Patentee after: Rockontrol Technology Group Limited by Share Ltd

Address before: 101102 Zhongguancun science and Technology Park, Tongzhou Park light and electrical integration industrial base, government road, room 2, No. 212, room

Patentee before: Beijing rockontrol information technology Limited by Share Ltd

Address after: 101102 Zhongguancun science and Technology Park, Tongzhou Park light and electrical integration industrial base, government road, room 2, No. 212, room

Patentee after: Beijing rockontrol information technology Limited by Share Ltd

Address before: 101102 Zhongguancun science and Technology Park, Tongzhou Park light and electrical integration industrial base, government road, room 2, No. 212, room

Patentee before: Beijing rockontrol Information Technology Co., Ltd.

CP03 Change of name, title or address

Address after: 101102 Zhongguancun science and Technology Park, Tongzhou Park light and electrical integration industrial base, government road, room 2, No. 212, room

Patentee after: Beijing rockontrol Information Technology Co., Ltd.

Address before: High tech Zone Shanxi city Taiyuan province Jiahua street 030032 No. 8

Patentee before: Shanxi Lianhua Weiye Technology Co.,Ltd.