CN204462785U - Micro-integrated programmable logic controller (PLC) and system thereof - Google Patents
Micro-integrated programmable logic controller (PLC) and system thereof Download PDFInfo
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- CN204462785U CN204462785U CN201520128320.5U CN201520128320U CN204462785U CN 204462785 U CN204462785 U CN 204462785U CN 201520128320 U CN201520128320 U CN 201520128320U CN 204462785 U CN204462785 U CN 204462785U
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Abstract
The utility model discloses a kind of micro-integrated programmable logic controller (PLC) and system thereof.Wherein, this micro-integrated programmable logic controller (PLC) comprises: the first controller, for the data of collection site instrument; And second controller, be connected with the first controller, the data for the field instrument to the first controller collection process.The utility model solve available resources due to prior art programmable logic controller (PLC) few and cause its cannot require technical matters general in more complete application scenario at other to controlling functions.
Description
Technical field
The utility model relates to PLC field, in particular to the micro-integrated programmable logic controller (PLC) of one and system thereof.
Background technology
Due to programmable logic controller (PLC) have controlling functions perfect, programming and easy to use, reliability is high, versatility good, safeguard the advantages such as simple, it is approved gradually and is highlighted great superiority in industrial automation, has become one of important means in industrial control field.
At present, need the application scenario of miniature control system a lot of in industrial control field, and in the related, miniature control system can only be applied in few to the demand controlling to count and be in main small-scale application occasion mainly with logic control, and cannot require in more complete application scenario general to controlling functions at other.
For above-mentioned problem, at present effective solution is not yet proposed.
Utility model content
The utility model embodiment provides a kind of micro-integrated programmable logic controller (PLC) and system thereof, with at least solve available resources due to prior art programmable logic controller (PLC) few and cause its cannot require technical matters general in more complete application scenario at other to controlling functions.
According to an aspect of the utility model embodiment, provide a kind of programmable logic controller (PLC), comprising: the first controller, for the data of collection site instrument; And second controller, be connected with above-mentioned first controller, the data for the above-mentioned field instrument to above-mentioned first controller collection process.
Further, above-mentioned second controller is connected with above-mentioned first controller by data bus.
Further, above-mentioned programmable logic controller (PLC) also comprises: RS232 interface, and above-mentioned second controller is also for communicating with the first peripheral hardware by above-mentioned RS232 interface; And/or RS485 interface, above-mentioned second controller is also for communicating with the second peripheral hardware by above-mentioned RS485 interface; And/or Ethernet interface, above-mentioned second controller is also for communicating with the 3rd peripheral hardware by above-mentioned Ethernet interface.
Further, above-mentioned first controller is arranged on base plate, and above-mentioned second controller is arranged on above-mentioned base plate.
Further, above-mentioned programmable logic controller (PLC) has plug-in structure.
Further, above-mentioned programmable logic controller (PLC) also comprises: power supply, is connected, and is connected with above-mentioned second controller with above-mentioned first controller, and above-mentioned first controller and above-mentioned second controller share above-mentioned power supply.
Further, above-mentioned first controller comprises: analog input interface, and above-mentioned analog input interface has K; Modulating output interface, above-mentioned modulating output interface has L; Digital input interface, above-mentioned digital input interface has M; And digital output interface, above-mentioned digital output interface has N number of.
According to the another aspect of the utility model embodiment, additionally provide a kind of programmable logic control system, comprising: field instrument, for the data in acquisition applications scene; And programmable logic controller (PLC), comprising: the first controller, for gathering the data of above-mentioned field instrument, and second controller, be connected with above-mentioned first controller, the data for the above-mentioned field instrument to above-mentioned first controller collection process.
Further, said system also comprises: external communication device, is connected with the above-mentioned second controller in above-mentioned programmable logic controller (PLC), for communicating with above-mentioned second controller.
In the utility model embodiment, adopt the first controller, for the data of collection site instrument; And second controller, be connected with the first controller, for the mode that the data of the field instrument to the first controller collection process, designed by dual controller, reach the object increasing available resources, thus improve the technique effect of the versatility in the application scenario more complete to controlling functions requirement, and then solve available resources due to prior art programmable logic controller (PLC) few and cause its cannot require technical matters general in more complete application scenario at other to controlling functions.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the schematic diagram of a kind of micro-integrated programmable logic controller (PLC) according to the utility model embodiment; And
Fig. 2 is the schematic diagram of a kind of optional micro-integrated programmable logic control system according to the utility model embodiment.
Embodiment
The utility model scheme is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the embodiment of the utility model part, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the utility model protection.
It should be noted that, term " first ", " second " etc. in instructions of the present utility model and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged in the appropriate case, so as embodiment of the present utility model described herein can with except here diagram or describe those except order implement.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those unit that the process of a series of unit, system, product or equipment are not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other unit of these processes, product or equipment.
Embodiment 1
According to the utility model embodiment, provide a kind of micro-integrated programmable logic controller (PLC) embodiment.
Fig. 1 is the schematic diagram of a kind of micro-integrated programmable logic controller (PLC) according to the utility model embodiment, and as shown in Figure 1, this micro-integrated programmable logic controller (PLC) comprises as lower component: the first controller 102 and second controller 104.First controller 102 is for the data of collection site instrument; And second controller 104 is connected with the first controller 102, the data for the field instrument gathered the first controller 102 process.
Also namely, above-mentioned programmable logic controller (PLC) adopts dual-CPU architecture, and the function that different CPU executed in parallel is different, not only increases data processing speed, and reaches the effect ensureing hardware capability.
Wherein, second controller 104 adopts Linux embedded OS, and can by embedded virtual machine (namely, the virtual PLC that one deck is abstract is added between embedded OS and user program) realize the Complied executing of user program, strengthen portability and the versatility of system.In addition, second controller 104 is for carrying out logical process, storage and communicating, and it has good extended capability and abundant communication connection, RS232, RS485 can be realized, and the communication of Ethernet, such as, it can complete the data communication in SCADA system between each equipment.
First controller 102 can adopt the chip with 44MHz processing speed, may be used for the data acquisition of I/O, input and output, and carries out data interaction etc. with second controller 104.The mode of this dual processors pipeline system parallel data processing, improves the property indices of industrial control unit (ICU) able to programme.
By the utility model embodiment, adopt the first controller, for the data of collection site instrument; And second controller, be connected with the first controller, for the mode that the data of the field instrument to the first controller collection process, designed by dual controller, reach the object increasing available resources, thus improve the technique effect of the versatility in the application scenario more complete to controlling functions requirement.
Preferably, the first controller can also be used for controlling field instrument according to second controller to the result of the data of the field instrument that the first controller gathers.Particularly, second controller can complete data processing, computing, execution user program, I/O refresh and with the function such as peripheral hardware communication, such as, second controller can pass through RS232 bus, RS485 bus or Ethernet etc. and third party device communication, and communication data is committed to data-centric.And the first controller is used for carrying out data interaction with field instrument, such as, to on-site signal, data conversion is carried out to A/D (or D/A) converter, realize the input of on-site signal and the output of control signal, wherein, result is transferred to the first controller by internal bus by second controller.
By the utility model embodiment, adopt the first controller to control field instrument controller, further increase the technique effect of the versatility in the application scenario more complete to controlling functions requirement.
Preferably, second controller can be connected with the first controller by data bus, reaches the effect of the delivering path of reduced data.
Preferably, programmable logic controller (PLC) can also comprise: RS232 interface and/or RS485 interface and/or Ethernet interface.For RS232 interface, second controller is also for communicating with the first peripheral hardware by RS232 interface, and wherein, the first peripheral hardware observes RS232 communication protocol; For RS485 interface, second controller is also for communicating with the second peripheral hardware by RS485 interface, and wherein, the second peripheral hardware observes RS485 communication protocol; For Ethernet interface, second controller is also for communicating with the 3rd peripheral hardware by Ethernet interface, and wherein, the 3rd peripheral hardware observes ethernet communication protocol.It should be noted that, aforementioned peripheral hardware is the abbreviation of external communication device.
Such as, above-mentioned programmable logic controller (PLC) can possess 2 RS485 interfaces, 1 RS232 interface and 2 Ethernet interfaces, and carry out data communication by these interface programmable logic controller (PLC)s and third-party peripheral hardware, in addition, above-mentioned programmable logic controller (PLC) can also support that real-time clock is calibrated, and improves the accuracy of clock control.
By the utility model embodiment, owing to have employed the communication interface of various protocols, reach and can carry out with multiple communication facilities the effect that communicates, make the function of programmable logic controller (PLC) more complete.
Preferably, the first controller can be arranged on base plate, and second controller also can be arranged on which floor plate.Further, above-mentioned programmable logic controller (PLC) has plug-in structure.
By the utility model embodiment, because two controllers are arranged on a base plate, and the volume of base plate is enough little, make the structure of programmable logic controller (PLC) compacter, such as, can dual processors module and floor combination form at programmable logic controller (PLC), after combination, its volume size can be: 16.2cm × 10.7cm × 11.5cm.Wherein, the size that dual processors (i.e. two controllers) blocks can be all: 13.9cm × 8.89cm, and the size of base plate can be 15.24cm × 10.16cm.
Preferably, above-mentioned programmable logic controller (PLC) can also comprise: power supply, is connected, and is connected with second controller with the first controller, the first controller and second controller common source.Also be, first controller and second controller carry out distribution according to respective electricity consumption situation to the electric energy of power supply and use, like this, because two controllers share a power supply, further save the volume of programmable logic controller (PLC), thus make the structure of programmable logic controller (PLC) compacter.
Preferably, the first controller can comprise: analog input interface, modulating output interface, digital input interface and digital output interface.Wherein, analog input interface has K; Modulating output interface has L; Digital input interface has M; And digital output interface has N number of.Such as, the first controller can support altogether 42 IO points, is respectively 16 analog input interface AI, 2 modulating output interface AO, 16 digital input interface DI, 8 digital output interface DO.Wherein, on the base plate arranging each parts of programmable logic controller (PLC), the mode that Layout design is recommended in strict accordance with handbook, adopts the mode of digital-to-analog segmentation to draw.
By the utility model embodiment, owing to have employed the different input and output pin of enough functions, the complete further function of programmable logic controller (PLC).
Embodiment 2
According to the utility model embodiment, provide a kind of micro-integrated programmable logic control system embodiment.
Fig. 2 is the schematic diagram of a kind of optional micro-integrated programmable logic control system according to the utility model embodiment.This micro-integrated programmable logic control system comprises: micro-integrated programmable logic controller (PLC) 1 and field instrument 2.Wherein, field instrument 2 is for the data in acquisition applications scene; And micro-integrated programmable logic controller (PLC) 1 comprises: the first controller 102, for the data of collection site instrument, and second controller 104, be connected with the first controller 102, the data for the field instrument gathered the first controller 102 process.
It should be noted that, above-mentioned micro-integrated programmable logic controller (PLC) 1 is identical with the micro-integrated programmable logic controller (PLC) in previous embodiment, and such as, it can comprise power supply 106, does not repeat them here.
By the utility model embodiment, adopt the first controller, for the data of collection site instrument; And second controller, be connected with the first controller, for the mode that the data of the field instrument to the first controller collection process, designed by dual controller, reach the object increasing available resources, thus improve the technique effect of the versatility in the application scenario more complete to controlling functions requirement.
Preferably, as shown in Figure 2, said system can also comprise: external communication device 3.External communication device 3 is connected with the second controller 104 in micro-integrated programmable logic controller (PLC) 1, for communicating with second controller 104.Wherein, external communication device and each peripheral hardware aforesaid, its concrete Principle of Communication and the same previous embodiment of process, do not repeat them here.
By the utility model embodiment, adopt external communication device 3 to communicate with micro-integrated programmable logic controller (PLC) 1, further increase the versatility of micro-integrated programmable logic controller (PLC) 1.
In addition, in the utility model, can install configuration programming software in the second controller of programmable logic controller (PLC), this configuration programming software is developed based on I EC 61131-3, has very strong opening.Further, second controller can also be provided with eclr22 and drive interface, and this eclr22 driving interface is the driving interface of configuration software and ARM bottom layer driving exchanges data.
Above-mentioned the utility model embodiment sequence number, just to describing, does not represent the quality of embodiment.
In above-described embodiment of the present utility model, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
In several embodiments that the application provides, should be understood that, disclosed technology contents, the mode by other realizes.Wherein, device embodiment described above is only schematic, the such as division of described unit, can be that a kind of logic function divides, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of unit or module or communication connection can be electrical or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed on multiple unit.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (9)
1. a micro-integrated programmable logic controller (PLC), is characterized in that, comprising:
First controller, for the data of collection site instrument; And
Second controller, is connected with described first controller, and the data for the described field instrument to described first controller collection process.
2. micro-integrated programmable logic controller (PLC) according to claim 1, is characterized in that, described second controller is connected with described first controller by data bus.
3. micro-integrated programmable logic controller (PLC) according to claim 1, is characterized in that, described programmable logic controller (PLC) also comprises:
RS232 interface, described second controller is also for communicating with the first peripheral hardware by described RS232 interface; And/or
RS485 interface, described second controller is also for communicating with the second peripheral hardware by described RS485 interface; And/or
Ethernet interface, described second controller is also for communicating with the 3rd peripheral hardware by described Ethernet interface.
4. micro-integrated programmable logic controller (PLC) according to claim 1, is characterized in that, described first controller is arranged on base plate, and described second controller is arranged on described base plate.
5. micro-integrated programmable logic controller (PLC) according to claim 1, is characterized in that, described programmable logic controller (PLC) has plug-in structure.
6. micro-integrated programmable logic controller (PLC) according to claim 1, it is characterized in that, described programmable logic controller (PLC) also comprises: power supply, be connected with described first controller, and be connected with described second controller, described first controller and described second controller share described power supply.
7. micro-integrated programmable logic controller (PLC) according to claim 1, is characterized in that, described first controller comprises:
Analog input interface, described analog input interface has K;
Modulating output interface, described modulating output interface has L;
Digital input interface, described digital input interface has M; And
Digital output interface, described digital output interface has N number of.
8. a micro-integrated programmable logic control system, is characterized in that, comprising:
Field instrument, for the data in acquisition applications scene; And
Programmable logic controller (PLC), comprising: the first controller, for gathering the data of described field instrument, and second controller, be connected with described first controller, the data for the described field instrument to described first controller collection process.
9. micro-integrated programmable logic control system according to claim 8, is characterized in that, described system also comprises:
External communication device, is connected with the described second controller in described programmable logic controller (PLC), for communicating with described second controller.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114488931A (en) * | 2022-01-21 | 2022-05-13 | 深圳市晟龙信息科技有限公司 | Intelligent chemical control instrument management system and control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114488931A (en) * | 2022-01-21 | 2022-05-13 | 深圳市晟龙信息科技有限公司 | Intelligent chemical control instrument management system and control method thereof |
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Address after: 101500 Beijing Miyun city ten Li Bao Zhen Tong Jun Zhuang intersection 500 meters east of the new Patentee after: BEIJING DRAGON RESOURCES TECHNOLOGY CO., LTD. Address before: 101500 Beijing Miyun city ten Li Bao Zhen Tong Jun Zhuang intersection 500 meters east of the new Patentee before: Beijing Dragon Resources Technology Co., Ltd. |