CN205670397U

CN205670397U - Plc simulation teaching system

Info

Publication number: CN205670397U
Application number: CN201620234514.8U
Authority: CN
Inventors: 刘必旺
Original assignee: Changzhou College of Information Technology CCIT
Current assignee: Changzhou College of Information Technology CCIT
Priority date: 2016-03-25
Filing date: 2016-03-25
Publication date: 2016-11-02
Anticipated expiration: 2026-03-25

Abstract

This utility model provides a kind of PLC simulation teaching system, including master controller, electronic-paper display screen, first Programmable Logic Controller, second Programmable Logic Controller, keyset, terminal board and DC source, described DC source is connected with described first Programmable Logic Controller and the second Programmable Logic Controller respectively and powers for them, the input of described first Programmable Logic Controller and the second Programmable Logic Controller is connected on described keyset, described keyset is connected with described terminal board, in the Programmable Logic Controller input master controller of this PLC simulation teaching system, and be reflected in the man machine interface of electronic-paper display screen, the instruction that learner inputs on human-computer interaction interface can also pass to programmable logic controller (PLC) by data interface card, to control its method of operation；This system provides a virtual design environment, enables learner creatively to design various PLC Controlling model, including design and the design of trapezoid figure program of wiring diagram.

Description

PLC simulation teaching system

Technical field

This utility model relates to a kind of PLC simulation teaching system in PLC technology field, especially design.

Background technology

The PLC teaching of colleges and universities' Engineering Speciality is appointed so based on books teaching, although use multimedia courseware to carry out aided education, But still feeling abstract and strange for student, this difficulty causing PLC to impart knowledge to students is greatly improved, student can only talk on paper Soldier, accordingly, it would be desirable to design the needs of the teaching that a kind of PLC instructional device meets.

Summary of the invention

The technical problems to be solved in the utility model is: in order to help student study PLC more directly perceived, efficient simply, this Utility model provides a kind of PLC simulation teaching system to solve the problems referred to above.

This utility model solves its technical problem and be the technical scheme is that a kind of PLC simulation teaching system, including main Controller, electronic-paper display screen, the first Programmable Logic Controller, the second Programmable Logic Controller, keyset, terminal board and unidirectional current Source, described DC source is connected with described first Programmable Logic Controller and the second Programmable Logic Controller respectively and supplies for them Electricity, the input of described first Programmable Logic Controller and the second Programmable Logic Controller is connected on described keyset, described keyset Being connected with described terminal board, the outfan of described first Programmable Logic Controller and the second Programmable Logic Controller is connected on described terminal board On, described master controller is also associated with RS-485 communication module, described first Programmable Logic Controller and the second Programmable Logic Controller Being connected to a RS-485 transceiver, described RS-485 communication module is connected with two described RS-485 transceivers respectively, Described master controller is connected with described electronic-paper display screen.

As preferably, described keyset includes multiple photoelectrical coupler, described photoelectrical coupler include light emitting diode And phototriode, described terminal board has GND end and multiple input terminal, the light-emitting diodes of all described photoelectrical couplers The negative pole of pipe is connected to the GND end of described terminal board, and positive pole is connected with the plurality of input terminal respectively, all described photosensitive three poles The colelctor electrode of pipe is connected with the input of described first Programmable Logic Controller and the second Programmable Logic Controller, emitter stage and described the The COM end of one Programmable Logic Controller and the second Programmable Logic Controller connects.

As preferably, described first Programmable Logic Controller is Fuji PLC-NB2U type PLC, described second Programmable Logic Controller For Siemens's S7300 type PLC.

The beneficial effects of the utility model are, the Programmable Logic Controller input master controller of this PLC simulation teaching system In, and be reflected in the man machine interface of electronic-paper display screen, the instruction that learner inputs on human-computer interaction interface can also be led to Cross data interface card and pass to programmable logic controller (PLC), to control its method of operation；This system provides a virtual design Environment, enables learner creatively to design various PLC Controlling model, including the design of wiring diagram and setting of trapezoid figure program Meter.

Accompanying drawing explanation

With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.

Fig. 1 is the structural representation of the optimum embodiment of PLC simulation teaching system of the present utility model.

Detailed description of the invention

Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, the most ad initio Represent same or similar element to same or similar label eventually or there is the element of same or like function.Below by ginseng It is exemplary for examining the embodiment that accompanying drawing describes, and is only used for explaining this utility model, and it is not intended that to of the present utility model Limit.On the contrary, owning in the range of embodiment of the present utility model includes the spirit falling into attached claims and intension Change, amendment and equivalent.

In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", " axle To ", " radially ", the orientation of the instruction such as " circumferential " or position relationship be based on orientation shown in the drawings or position relationship, be only for It is easy to describe the present invention and simplifying describe rather than instruction or the device of hint indication or element must have a specific side Position, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.

Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicate or imply relatively important Property.In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " is connected ", " even Connect " should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；It can be machine Tool connects, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary.For this area For those of ordinary skill, above-mentioned term concrete meaning in this utility model can be understood with concrete condition.Additionally, in this reality With in novel description, except as otherwise noted, " multiple " are meant that two or more.

In flow chart or at this, any process described otherwise above or method description are construed as, and expression includes One or more is for realizing the module of code, fragment or the portion of the executable instruction of the step of specific logical function or process Divide, and the scope of preferred implementation of the present utility model includes other realization, wherein can not be by shown or discussion Order, including according to involved function by basic mode simultaneously or in the opposite order, perform function, this should be by this The embodiment person of ordinary skill in the field of utility model is understood.

As it is shown in figure 1, this utility model provides a kind of PLC simulation teaching system, show including master controller, Electronic Paper Screen, the first Programmable Logic Controller, the second Programmable Logic Controller, keyset, terminal board and DC source, DC source is respectively with One Programmable Logic Controller and the second Programmable Logic Controller connect and power for them, and the first Programmable Logic Controller and second can be compiled The input of range controller is connected on keyset, and keyset is connected with terminal board, the first Programmable Logic Controller and second able to programme The outfan of controller is connected on terminal board, and master controller is also associated with RS-485 communication module, the first Programmable Logic Controller and Second Programmable Logic Controller is connected to a RS-485 transceiver, and RS-485 communication module is received and dispatched with two RS-485 respectively Device connects, and master controller is connected with electronic-paper display screen, and keyset includes multiple photoelectrical coupler, including of photoelectrical coupler Optical diode and phototriode, terminal board has GND end and multiple input terminal, the light-emitting diodes of all photoelectrical couplers The negative pole of pipe is connected to the GND end of terminal board, and positive pole is connected with multiple input terminals respectively, the colelctor electrode of all phototriodes with The input of the first Programmable Logic Controller and the second Programmable Logic Controller connects, emitter stage and the first Programmable Logic Controller and second The COM end of Programmable Logic Controller connects, and the first Programmable Logic Controller is Fuji PLC-NB2U type PLC, the second Programmable Logic Controller For Siemens's S7300 type PLC.

In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy Point is contained at least one embodiment of the present utility model or example.In this manual, the schematic table to described term State and be not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can be Any one or more embodiments or example combine in an appropriate manner.

With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, related work people Member can carry out various change and amendment completely in the range of without departing from this utility model technological thought.This reality The content being not limited in description by novel technical scope, it is necessary to determine its technology according to right Property scope.

Claims

1. a PLC simulation teaching system, it is characterised in that: include master controller, electronic-paper display screen, the first PLC technology Device, the second Programmable Logic Controller, keyset, terminal board and DC source, described DC source is first able to programme with described respectively Controller and the second Programmable Logic Controller connect and power for them, described first Programmable Logic Controller and the second programmable control The input of device processed is connected on described keyset, and described keyset is connected with described terminal board, described first Programmable Logic Controller Being connected on described terminal board with the outfan of the second Programmable Logic Controller, described master controller is also associated with RS-485 communication mould Block, described first Programmable Logic Controller and the second Programmable Logic Controller are connected to a RS-485 transceiver, described RS- 485 communication modules are connected with two described RS-485 transceivers respectively, and described master controller is connected with described electronic-paper display screen.

2. PLC simulation teaching system as claimed in claim 1, it is characterised in that: described keyset includes multiple photoelectric coupling Device, described photoelectrical coupler include light emitting diode and phototriode, described terminal board has GND end and multiple input Terminal, the negative pole of the light emitting diode of all described photoelectrical couplers is connected to the GND end of described terminal board, and positive pole is respectively with described Multiple input terminals connect, and the colelctor electrode of all described phototriodes is able to programme with described first Programmable Logic Controller and second The input of controller connects, and emitter stage is connected with the COM end of described first Programmable Logic Controller and the second Programmable Logic Controller.

3. PLC simulation teaching system as claimed in claim 2, it is characterised in that: described first Programmable Logic Controller is Fuji PLC-NB2U type PLC, described second Programmable Logic Controller is Siemens's S7300 type PLC.