CN212208613U - A PLC network automation comprehensive training device - Google Patents

Abstract

The utility model provides a PLC network automation comprehensive training device, which comprises a PLC network control training cabinet and a PC computer, wherein various training operation panels are mounted on the PLC network control training cabinet, and the PC computer is installed with a network card , communication card and configuration software; the PLC network control training cabinet and the PC computer are constructed with: power distribution module, remote monitoring module, PLC network communication station module, frequency conversion speed regulation module, motion control module and field control module . The training device adopts an open design, which has the advantages of authenticity of engineering application, flexibility of training development and safety of operation, etc. It can better complete the relevant skills training of industrial automation and fully integrated industrial network technology. It can be used as a skill training platform for vocational colleges and vocational training centers.

Description

A PLC network automation comprehensive training device

technical field

The utility model relates to a PLC network automation comprehensive training device, which belongs to the technical field of PLC control teaching and training systems.

Background technique

At present, PLC technology, robot technology and CAD/CAM (computer-aided design/computer-aided manufacturing) are called the three pillars of modern industrial production automation, especially the integrated communication technology with microprocessor as the core and the new industrial automatic control of automatic control. Device PLC has become an important technology of modern industrial automation control and has been widely used. In order to meet the needs of social and industrial development, the electromechanical majors in various colleges and universities have set up relevant courses such as "Programmable Logic Controller Technology", "Electrical and PLC Control Technology", "PLC and Its Application", and even vocational training schools, vocational education. The center also offers relevant vocational training courses for PLC technology.

The existing PLC experimental bench (training bench) aims to cultivate primary skilled talents in PLC technology, based on "Programmable Logic Controller Technology", "Machine Machine Electrical Control and PLC)), "Programmable Logic Controller and Its Application", etc. The products developed according to the requirements of the course syllabus, belong to the basic PLC programmable controller training platform, the main function is to provide students with a single PLC as the core control technology training platform, but the lack of using the communication bus to construct The PLC network has the function of networking control skills training, which cannot meet the needs of cultivating advanced PLC skills. With the introduction of Industry 4.0, the application breadth of automation equipment has gradually increased, which has put forward higher requirements for professional skills. PLC senior skilled personnel who master PLC network integration automation technology are urgently needed to meet the needs of industrial development.

Therefore, it is necessary and of great significance to develop a PLC network automation comprehensive training device to meet the needs of teaching and training, improve the level of personnel training, and meet the needs of social PLC technical personnel skills.

SUMMARY OF THE INVENTION

In order to solve the problem that the existing training platform can only provide a single PLC as the core control technology and cannot realize the integrated automation training function of multiple PLC networking, the utility model proposes a PLC network automation comprehensive training device. In accordance with the teaching and training requirements of vocational education, combined with the skills requirements of current actual occupational positions, the device combines multi-network and multi-model PLCs organically to build PLC network automation skills on the basis of satisfying a single PLC control skills training. Practical training function; using an open design, students can intuitively understand the components and interfaces, enhance the intuitiveness and enhance the authenticity of engineering applications; flexibly select various components according to the engineering site process and control requirements, making it closer to engineering and The flexibility of the project training can better complete the relevant skills training of industrial automation and industrial network fully integrated technology, and adapt to school teaching.

In order to solve the above-mentioned problems, the technical scheme adopted by the present utility model is:

The PLC network automation comprehensive training device of the utility model is special in that it includes a PLC network control training cabinet and a PC computer, and various training operation panels are mounted on the PLC network control training cabinet. The PC computer is installed with a network card, a communication card and configuration software; the PLC network control training cabinet and the PC computer are constructed with:

The power distribution module is used to provide power to other modules, including the power operation panel configured in the PLC network control training cabinet;

The remote monitoring module is used to realize the human-computer interaction function, including a PC computer and a network card, a communication card and configuration software configured on the PC computer, and the PC computer is connected with the PLC network communication site through the network card or the communication card;

PLC network communication station module, including various PLC operation panels, remote operation panels and human-machine interface HMIs mounted on the PLC network control training cabinet; the models and quantities of the PLC operation panels, remote operation panels and human-machine interface HMIs Selective configuration according to training requirements, flexibly form profinet network, profibus-DP network and profinet+profibus-DP hybrid network to realize multi-model, multi-network PLC network communication training function;

The frequency conversion speed regulation module includes several inverter operation panels mounted on the PLC network control training cabinet, which are used to realize the wiring training, speed positioning training, multi-speed operation training, and multi-speed operation training of each type of single inverter. The functions of the inverter's combined operation and operation training and network communication operation training;

The motion control module, including the servo motor drive control operation panel and the stepper motor drive control operation panel mounted on the PLC network control training cabinet, is used to realize the training of linear displacement positioning control and rotational angle displacement positioning control;

Field control module, including AI analog signal simulation panel, digital I/O operation panel, three-phase asynchronous motor drag control operation panel mounted on the PLC network control training cabinet, for flexible combination with various PLC operation panels, It can be used as a PLC network control field device level network node, or realize the basic motor drag control training function.

The PC computers include PC computer I, PC computer II, PC computer III and PC computer IV; the four PC computers are all configured as computers with an i7 processor and a memory of more than 4G, and are equipped with Siemens communication cards and Portal software.

The PLC network control training cabinet includes a PLC network control training cabinet I and a PLC network control training cabinet II; the two cabinets are the same in mechanical structure, and both adopt an inner and outer double-layer frame structure, including a cabinet body and a cabinet arranged in the cabinet body. The installation frame is used to hang each training operation panel; the cabinet adopts an open structure on four sides, including four cabinet doors, front, rear, left and right, and two installation frames. The cabinet door and the rear cabinet door are respectively provided with a digital I/O operation panel and a human-machine interface HMI, which are combined with the training operation panels on the front installation frame and the rear installation frame to form the front and rear training stations. .

The hanging structure of various training operation panels on the described PLC network control training cabinet 1 is: the front mounting frame is hung with power supply operation panel I, S7-1500PLC operation panel, S7-1200PLC operation panel I, servo motor drive Control operation panel, S120 inverter operation panel; power supply operation panel II, S7-1200PLC operation panel II, operation panel (integrated AI analog signal simulation panel and remote I/O Profinet operation panel), Basic electrical control panel I, G120 inverter operation panel; digital I/O operation panel I and human-machine interface HMI I (integrated Profibus-DP interface) are installed on the front cabinet door; O Operator Panel II and Human Machine Interface HMI II (integrated Profinet interface).

The mounting structure of various training operation panels on the PLC network control training cabinet II is as follows: power supply operation panel III, S7-300PLC operation panel, S7-200PLC operation panel I, and stepper motor are hung on the front mounting frame. Drive control operation panel, V20 inverter operation panel; power supply operation panel IV, S7-200PLC operation panel II, operation panel (integrated AI analog signal simulation panel and remote I/O Profinet operation panel) , Basic electrical control panel II, M420 inverter operation panel; digital I/O operation panel III and human-machine interface HMIIII (integrated Profibus-DP interface) are installed on the front cabinet door; OOperating Panel IV and Human Machine Interface HMIIV (Integrated Profinet Interface).

The mechanical structure of the PLC network control training cabinet also includes: a three-phase five-wire industrial waterproof fixed socket for power supply and distribution to the power operation panel of the electrical control cabinet. The fixed socket has the function of preventing wrong insertion and ensures the electrical cabinet. The three-phase electrical phase sequence is consistent; the safety protection grounding copper column is set on the inner side of the cabinet, and is connected to the ground through the grounding wire to realize grounding protection; there is a three-wire AC220V power strip for providing power to the PC computer; A universal moving wheel with locking function installed at the bottom of the cabinet to facilitate the handling and movement of the cabinet; the installation frame is provided with a "V"-shaped groove, the shape and specifications of each operation panel are the same, and flanges are provided at the four corners , so as to flexibly shift and assemble according to the training needs.

Four PC computers and two PLC network control training cabinets are assembled into a four-station single model and a single PLC control training device. PC computer I, PC computer II, PC computer III and PC computer IV are respectively used as S7-1500PLC , S7-1200PLC, S7-300PLC, S7-200PLC compile and debug running environment.

Four PC computers and two PLC network control training cabinets are assembled into multi-model and multi-PLC network coordination and control training devices, and one or more PC computers are used to run the WINCC program as the central monitoring center.

During the training process, the students used banana double-sheathed wires for wiring connections to enhance operational safety and improve the effectiveness of the training project.

A round hole with a diameter of 80mm for communication cables is provided at the upper left or upper right corner of each operation panel (except the power operation panel) mounted on the installation frame to facilitate the wiring during communication networking.

The PLC network automation comprehensive training device of the utility model is based on Siemens automation products, takes PLC technology as the main body, organically integrates field bus communication technology, touch screen application technology, AC frequency conversion application technology, AC servo technology and step control technology to form an integrated system. PLC network automation control training system. In the control mode, the classic distributed three-layer network structure is adopted, that is, the first layer is the central monitoring layer, which is centered on PC computer, large-scale S7-1500PLC, and smart panel HIM, and is equipped with Portal software and network communication card. It is used for remote monitoring, management and scheduling of equipment network automation; the second layer is the workshop-level process monitoring layer, with medium-sized S7-1200PLC and Comfort Panel HIM as the center to form a profinet network site, or medium-sized S7-300PLC, Comfort Panel HIM The profibus-DP network master station is formed as the center, which is used for monitoring, coordination and management and scheduling of various equipment in the workshop; the third layer is the field device level control layer, which is centered on the medium-sized S7-1200PLC and the simplified panel HIM to form the profinet network site Or use small S7-200PLC and simplified panel HIM as the center to form a profibus-DP network slave station, which is used for the monitoring of field moving parts such as variable frequency speed control drive, AC servo drive, step drive, and three-phase asynchronous motor of field equipment. , Coordinate with management and scheduling.

Description of drawings

1 is a schematic diagram of the system structure of the present utility model;

2 is a schematic diagram of the structure of the PLC network control training cabinet of the present utility model;

Fig. 3 initial layout diagram inside PLC network control training cabinet 1 of the present utility model;

FIG. 4 is an initial layout diagram of the interior of the PLC network control training cabinet II of the present invention.

Detailed ways

The technical solutions in the embodiments of the present utility model will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work fall within the protection scope of the present invention.

A PLC network automation comprehensive training device, based on Siemens automation products, with PLC technology as the main body, organically integrating field bus communication technology, touch screen application technology, AC frequency conversion application technology, AC servo technology and stepper control technology to form an integrated PLC network. Automated training system. The main body of the device includes two PLC network control training cabinets and four PC computers; two of the network control training cabinets are named PLC network control training cabinet I5 and PLC network control training cabinet II6 respectively. The mechanical structure is the same, both of which use the inner and outer double-layer frame type mechanical structure, including the cabinet 21 and the installation frame 22 arranged in the cabinet 21, and each training operation panel is hung on the installation frame 22; the four PC computers are named as PC computer I1, PC computer II2, PC computer III3 and PC computer IV4, all four PC computers are preferably computers with i7 processor, memory above 4G, and installed with Siemens communication card and Portal software. The above two training cabinets and four PC computers can carry out four-station single-model, single-PLC control training according to needs, and can also carry out multi-model, multiple PLC network coordination and control training, so that students can master the skills At the same time, cultivate team spirit. In a single PLC control training, PC computer I1, PC computer II2, PC computer III3, and PC computer IV4 can be used as the compilation and debugging operation environment of S7-1500PLC, S7-1200PLC, S7-300PLC and S7-200PLC respectively; When multi-model and multi-PLC network coordination and control training, use one PC computer or multiple PC computers to run the WINCC program as the central monitoring center.

The cabinet body 21 of the PLC network control training cabinet adopts a four-face open structure, and is provided with a front cabinet door 24, a rear cabinet door 25, a left cabinet door 26 and a right cabinet door 27. The cabinet door and the cabinet body are connected by hinges; the front cabinet The door 24 and the rear cabinet door 25 are respectively provided with a digital I/O operation panel, a human-machine interface HMI, and various training operation panels on the installation frame 22, which are combined into two training stations, front and rear. Detachable left cabinet door 26 and right cabinet door 27 are provided to facilitate the threading operation of communication lines during training, and are connected to the cabinet body through pins. There is a three-phase five-wire, industrial waterproof fixed socket 28 at the lower right outer side of the cabinet to supply and distribute power to the power operation panel of the electrical control cabinet. The socket has the function of preventing wrong insertion to ensure that the three-phase electrical phase sequence of the electrical cabinet is consistent. sex. There is a safety protection grounding copper column at the lower left inner side of the cabinet, and is connected to the ground through a grounding wire to achieve grounding protection. A three-wire AC220V power strip is arranged in the outer middle of the front left column and the outer middle of the rear right column to provide power to the PC. The bottom of the cabinet 21 is provided with a universal moving wheel 23 with a locking function, which is convenient for handling and moving. There is a "V"-shaped groove on the installation frame, the shape and specifications of each operation panel are the same, and flanges are provided at the four corners to facilitate flexible displacement and assembly according to training needs. A round hole with a diameter of 80mm for communication cables is provided at the upper left or upper right corner of each operation panel (except the power operation panel) mounted on the installation frame to facilitate the wiring during communication networking.

The layout of the I5 operation panel of the PLC network control training cabinet is shown in Figure 3: The front mounting frame is mounted from top to bottom as follows: power operation panel I511, S7-1500PLC operation panel 512, S7-1200PLC operation panel I513, servo motor Drive control operation panel 514, S120 inverter operation panel 515; the rear mounting frame is mounted from top to bottom as follows: power supply operation panel II521, S7-1200PLC operation panel II522, operation panel 523 (integrated AI analog signal simulation panel 5231 and remote I/O Profinet operation panel 5232), basic electrical control panel I524, G120 inverter operation panel 525; digital I/O operation panel I531, integrated Profibus-DP interface man-machine interface HMII532 are installed on the front cabinet door ; The rear cabinet door is provided with a digital I/O operation panel II541 and a man-machine interface HMIII542 with integrated Profinet interface.

The layout of the PLC network control training cabinet II6 operation panel is shown in Figure 4: The front mounting frame is mounted from top to bottom as follows: power supply operation panel III611, S7-300PLC operation panel 612, S7-200PLC operation panel I613, stepper Motor drive control operation panel 614, V20 inverter operation panel 615; the rear mounting frame is mounted from top to bottom as follows: power supply operation panel IV621, S7-200PLC operation panel II622, operation panel 623 (integrated AI analog signal simulation Panel 6231 and remote I/O Profinet operation panel 6232), basic electrical control panel II624, M420 inverter operation panel 625. The front cabinet door is provided with a digital I/O operation panel III631 and a human-machine interface HMIIII632 integrated with the Profibus-DP interface. The rear cabinet door is provided with digital I/O operation panel IV641 and human-machine interface HMIIV642 with integrated Profinet interface.

The above PLC network control training cabinet I5 operation panel layout and PLC network control training cabinet II6 operation panel layout only illustrate the initial layout, and the positions of the operation panels are not fixed. The training requires flexible shifting and assembly.

In the functional structure module design, the utility model integrates a power distribution module, a remote monitoring module, a PLC network communication station module, a frequency conversion speed regulation module, a motion control module and an on-site control module.

The power distribution module is designed for various electric shock and short-circuit accidents that may be caused by the uncertainty of the students' training load or operation errors, so as to ensure the safety of the power supply. There are 4 blocks in total, including the PLC network control training cabinet. The power supply operation panel I511 on the front mounting frame of I5, the power supply operation panel II521 on the rear mounting frame of the PLC network control training cabinet I5, and the power supply operation panel III611 on the front mounting frame of the PLC network control training cabinet II6, The power supply operation panel IV621 installed on the installation frame behind the PLC network control training cabinet II6, the model, quantity and layout of components on each power supply operation panel are consistent, and the preferred circuit breakers, fuses, leakage protectors, switching power supplies, indicator lights , start button, emergency stop button, contactor and protective grounding terminal, etc., have good leakage, short circuit, overload, overheating, voltage loss, grounding protection functions, so that the safety of the power supply can be guaranteed; to protect personal and equipment safety, And provide AC380V, AC220V, DC24V, DC12V and DC5V power supply for other modules.

Remote monitoring module, preferred PC computer, network card, Siemens communication card and configuration software. The network card, Siemens communication card and configuration software are all installed on the PC computer. Connect to the PLC network communication station through the network card or communication card, transmit the central monitoring command to the PLC network communication station, and update the monitoring interface in real time according to the data reported by the PLC network communication station to realize the human-computer interaction function.

PLC network communication station module, preferred Siemens S7-1500PLC, S7-1200PLC, S7-300PLC, S7-200PLC, Comfort Panel HIM, Simplified Panel HIM and other typical automation products, including S7-1500PLC operation panel, S7-1200PLC operation panel I, S7-1200PLC operation panel II, S7-300PLC operation panel, S7-200PLC operation panel I, remote I/O Profinet operation panel, remote I/O Profibus-DP operation panel, man-machine interface HMI. Each operation panel can flexibly form profinet network, profibus-DP network and profinet+profibus-DP hybrid network according to the training needs, so as to realize the multi-model and multi-network PLC network communication training function.

The composition of each operation panel of the PLC network communication station module is detailed as follows:

S7-1500PLC operation panel, preferred PM power supply module, CPU1516 module, AI/AO module, I/O module, system power supply PS module, IM155-5 PN interface module, ptp communication module, S7-1500 mounting rail to form S7-1500profinet site or profibus-DP master/slave site.

S7-1200PLC operation panel I, preferred power module PM1207, CPU1214 (DC/DC/DC) module, I/O module, AI/AO module, CM1243-5 DP master module, CM1241 communication module, CSM1277 switch module and installation The rails form the S7-1200 profinet station or the S7-1200profibus-DP master station.

S7-1200PLC operation panel II, preferred power supply module PM1207, CPU1214 (AC/DC/RLY) module, I/O module, AI/AO module, CM1242-5 DP slave module, CM1241 communication board and mounting rail to form S7- 1200profinet station or S7-1200profibus-DP slave station.

S7-300PLC operation panel, preferred power supply module PS307, CPU314C module, AI/AO module, I/O module, CMptp communication module, S7-300 installation guide rail constitute S7-300 profinet site or profibus-DP master/slave site.

S7-200PLC operation panel I, preferred power supply module PS207, CPU226 (DC/DC/DC) module, AI/AO module, I/O module, profibus-DP communication module, EM235 positioning module and installation rail form S7-200 profibus -DP slave site.

S7-200PLC operation panel II, the preferred power supply module PS207, CPU226 (AC/DC/RLY) module, AI/AO module, I/O module, Ethernet communication module and installation rails form the S7-200 Ethernet network site.

Remote I/O Profinet operator panel, preferably IM155-6 PN interface module, PM power supply module, system power supply PS module, ET200SP I/O module, ET200SP AI/AO module, ET200SP base unit and mounting rail make up the ET200SP remote I/O O Profinet site.

Remote I/O Profibus-DP operation panel, preferably IM155-6 DP interface module, PM power supply module, system power supply PS module, ET200SP I/O module, ET200SP AI/AO module, ET200SP base unit and mounting rail to form ET200SP remote I/O Profinet site.

Human-machine interface HMI, set up four man-machine interface HMII, II, III, IV, human-machine interface HMII, III, preferred Comfort Panel TP700, human-machine interface HMIII, preferred Simple Panel KTP700 (integrated PROFINET interface), Human Machine Interface HMIIV preferred Basic Panel KTP700 (integrated MPI/PROFIBUS DP interface).

Frequency conversion speed control module, the preferred Siemens high-performance S120 inverter, medium-performance G120 inverter, V20 inverter and general M420 inverter, including S120 inverter operation panel, G120 inverter operation panel, V20 inverter operation panel and The operation panel of the M420 inverter can realize the functions of wiring training, speed positioning training, multi-speed operation training of each type of single inverter; operation training of multiple inverters and network communication operation training and other functions.

The motion control module, including the servo motor drive control panel and the stepper motor drive control panel, realizes the training of linear displacement positioning control and rotational angle displacement positioning control. Servo motor drive control operation panel, preferred V90 servo drive module, sliding table module precision linear guide ball screw, incremental encoder, displacement sensor, micro switch, simulation simulation engineering linear motion positioning control training. Stepper motor drive control operation panel, preferred stepper stepper drive module, electric angle turntable, incremental encoder, micro switch, analog simulation engineering angle positioning control training.

Field control module, including AI analog signal simulation panel, digital I/O operation panel and three-phase asynchronous motor drag control operation panel, can be flexibly combined with PLC operation panel, and can be used as a PLC network control field device level network node. It can provide students with a control technology training platform with a four-station single PLC as the core, and realize the basic motor drag control training function.

AI analog signal simulation panel, the preferred signal generator, can generate adjustable 4~20mA, -5V~+5V, -10V~+10V, -0V~+10V analog signals, and the analog signals of each range can pass the knob. It can be adjusted to realize on-site analog signal acquisition and training.

Digital I/O operation panel, preferred main command electrical, indicator lights and buzzer, provide on-site operation instructions for PLC, and check PLC command execution and running status through indicator lights. There are 4 digital I/O operation panels I, II, III and IV in total. The model, quantity and layout of components on each digital I/O operation panel are consistent. The preferred DC24V indicator lights (yellow, green, red, White, blue), AC220V indicator light (yellow, green, red, white, blue), automatic reset button (yellow, green, red, white, black), lock button with indicator light (yellow, green, red, white, black), emergency stop button, key switch, selector switch, buzzer.

There are 2 three-phase asynchronous motor drag control operation panels in total, including three-phase asynchronous motor drag control operation panel I and three-phase asynchronous motor drag control operation panel II, and the component models on each three-phase asynchronous motor drag control operation panel , consistent in quantity and layout, the preferred motor-protected molded case circuit breakers, fuses, motor comprehensive protectors, braking resistor devices, dynamic braking devices, electromagnetic brakes, intermediate relays, contactors, thermal relays, speed relays, The three-phase asynchronous motor plays the role of PLC control signal amplification and execution in the whole system.

The utility model adopts the classic distributed three-layer network structure in the control mode, that is, the first layer is the central monitoring layer, with PC computer, large-scale S7-1500PLC, and smart panel HIM as the center, equipped with Portal software and network communication Card, used for remote monitoring, management and scheduling of equipment network automation; the second layer is the workshop-level process monitoring layer, with medium-sized S7-1200PLC and Comfort Panel HIM as the center to form a profinet network site, or with medium-sized S7-300PLC, precision The smart panel HIM is the center to form the profibus-DP network master station, which is used for the monitoring, coordination and cooperation management and scheduling of various equipment in the workshop; the third layer is the field device level control layer, which is composed of medium-sized S7-1200PLC and simplified panel HIM as the center. The profinet network site or the small S7-200PLC and the simplified panel HIM as the center form the profibus-DP network slave site, which is used for the field moving parts such as the variable frequency speed control drive, AC servo drive, stepper drive, three-phase asynchronous motor and so on. monitoring, coordination and management and scheduling.

The utility model adopts a modular structure of building blocks, and an installation frame is arranged in the electrical control cabinet, which is used to install and hang each operation panel. . Each operation panel adopts an open design, and the electrical components are installed and fixed on the operation panel according to the engineering application mode, so that students can intuitively understand the shape and terminal interface of the components and enhance the authenticity of the engineering application. Each terminal of the electrical component is drawn out by a banana wire socket. Students can flexibly select each component and each terminal of the component according to their needs, which enhances the flexibility of the training project and is in line with engineering practice. During the training process, the students used banana double-sheathed wires for wiring connections to enhance operational safety and improve the effectiveness of the training project.

Based on different training functions, several different embodiments are given below to reflect the comprehensiveness and flexibility of the training device of the present invention.

Example 1

This embodiment is the situation of carrying out four-station single-model, single PLC control training. As shown in Figure 1.

PC computer I1, PC computer II2, PC computer III3, and PC computer IV4 can be used as the compilation and debugging operation environment of S7-1500PLC, S7-1200PLC, S7-300PLC and S7-200PLC respectively, and control the training cabinet I5 and PLC through the PLC network. The combination of the operation panels of the network control training cabinet II6 can realize the basic skills training of S7-200PLC control, the training of basic skills of S7-300PLC control, the training of basic skills of S7-1200PLC control and the training of basic skills of S7-1500PLC control.

In order to better explain, the following briefly introduces the use of S7-1500PLC control basic skills training. Select PC computer I1 to install network card and Portal software, power supply operation panel I511, S7-1500 PLC operation panel 512, servo motor drive control operation panel 514, S120 inverter operation panel 515, digital I/O operation panel I531, human-machine interface HMI I532, etc.; set up S7-1500PLC control basic skills training platform. Students can flexibly select each component and each terminal of the component according to the training needs, and realize the basic application training of PLC, the training of frequency conversion speed regulation based on PLC, the training of position motion control of AC servo motor based on PLC, PLC, Comprehensive training of touch screen and inverter. The use of other single model and single PLC control training is similar to the use of S7-1500 PLC control basic skills training, so I will not repeat them one by one.

Embodiment 2

This embodiment is the situation of carrying out multi-model and multi-PLC Profinet network control training. As shown in Figures 1, 3 and 4.

Select PC I1 to install network card and Portal software, power operation panel I511, S7-1500PLC operation panel 512, S7-1200PLC operation panel I513, power supply operation panel II521, S7-1200PLC operation panel II522, power supply operation panel III611, S7-300PLC operation Panel 612, power supply operation panel IV621, S7-200PLC operation panel II, remote I/O Profinet operation panel 5232, remote I/O Profinet operation panel 6232, HMI II integrated Profinet interface 542, human-machine interface HMIIV integrated Profinet interface , AI analog signal simulation panel 5231, servo motor drive control panel 514, stepper motor drive control panel 614, S120 inverter operation panel 515, G120 inverter operation panel 525, V20 inverter operation panel 615, M420 inverter Operation panel 625, basic electrical control panel I524, basic electrical control panel II624, digital I/O operation panel I531, digital I/O operation panel II541, digital I/O operation panel III631, digital I/O operation panel IV641.

Use Profinet network cable to connect PC computer I1, CPU1516 module on S7-1500PLC operation panel 512, CPU1214DC/DC/DC module, CM1241 communication module, CSM1277 switch module on S7-1200PLC operation panel I513, CPU1214AC/CSM1277 switch module on S7-1200PLC operation panel II522 DC/RLY module, CM1241 communication board, CPU314C module on S7-300PLC operation panel 612, CPU226AC/DC/RLY module, Ethernet communication module on S7-200PLC operation panel II, remote I/O Profinet operation panel 5232, remote I/ O Profinet operation panel 6232, human-machine interface HMI II integrates Profinet interface 542, builds a Profinet network control training platform integrating human-machine interface HMI and PLC, realizes S7-1500PLC and S7-1200PLC Profinet communication training, realizes S7- 1500PLC and S7-300PLC Profinet communication training, realizing S7-300PLC and S7-200PLC Profinet communication training, remote variable frequency speed control training based on Profinet network, remote servo and stepping motion control training based on Profinet network.

Embodiment 3

This embodiment is the situation of carrying out multi-model and multi-PLC Profibus-DP network control training. As shown in Figures 1, 3 and 4.

Select PC computer I1 to install network card and Portal software, power operation panel I511, S7-1500PLC operation panel 512, S7-1200PLC operation panel I513, power supply operation panel II521, S7-1200PLC operation panel II522, power supply operation panel III611, S7-300PLC operation Panel 612, S7-200PLC operation panel I613, man-machine interface HMI I integrated Profibus-DP interface 532, man-machine interface HMIIII integrated Profibus-DP interface 632, AI analog signal simulation panel 6231, servo motor drive control operation panel 514, step Input motor drive control operation panel 614, S120 inverter operation panel 515, G120 inverter operation panel 525, V20 inverter operation panel 615, M420 inverter operation panel 625, basic electrical control panel I524, basic electrical control panel II624, digital quantity I/O operation panel I531, digital I/O operation panel II541, digital I/O operation panel III631, digital I/O operation panel IV641.

Use Profibus-DP network cable to connect PC computer I1, CPU1516 module on S7-1500PLC operation panel 512, CPU1214DC/DC/DC module, CM1243-5 DP master station module on S7-1200PLC operation panel I513, and S7-1200PLC operation panel II522 CPU1214AC/DC/RLY module, CM1242-5 DP slave module, CPU314C module on S7-300PLC operation panel 612, CPU226DC/DC/DC module on S7-200PLC operation panel I, rofibus-DP communication module, human-machine interface HMI I Integrate Profibus-DP interface 532, human-machine interface HMIIII integrates Profibus-DP interface 632, build a ProfiBUS-DP network control training platform integrating human-machine interface HMI and PLC, and realize S7-1500PLC and S7-300PLC Profibus communication training , to achieve S7-1200PLC and S7-300PLC Profibus communication training, to achieve S7-300PLC and S7-200PLC Profibus communication training, based on Profibus-DP network remote variable frequency speed control training, based on Profibus-DP network remote servo, Stepping motion control training.

Embodiment 4

This embodiment is the situation of carrying out multi-model and multi-PLC Profinet+Profibus-DP hybrid network control training. As shown in Figures 1, 3 and 4.

Select power supply operation panel I511, S7-1500PLC operation panel 512, S7-1200PLC operation panel I513, power supply operation panel IV621, S7-200PLC operation panel II, remote I/O Profinet operation panel 5232, remote I/OProfinet operation panel 6232, people The machine interface HMI II integrates the Profinet interface 542, and the human-machine interface HMIIV integrates the Profinet interface.

Use Profinet network cable to connect CPU1516 module on S7-1500PLC operation panel 512, CPU1214DC/DC/DC module, CM1241 communication module, CSM1277 switch module on S7-1200PLC operation panel I513, CPU226AC/DC/RLY module on S7-200PLC operation panel II , Ethernet communication module, remote I/O Profinet operation panel I5232, remote I/O Profinet operation panel II6232, human-machine interface HMI II integrates Profinet interface 542 to build a Profinet network integrating human-machine interface HMI and PLC.

Select power supply operation panel II521, S7-1200PLC operation panel II522, power supply operation panel III611, S7-300PLC operation panel 612, S7-200PLC operation panel I613, HMI I integrated Profibus-DP interface 532, HMI III integrated Profibus - DP interface 632.

Use Profibus-DP network cable to connect CPU314C module on S7-300PLC operation panel 612, CPU1214AC/DC/RLY module, CM1242-5 DP slave module on S7-1200PLC operation panel II522, CPU226DC/DC/S7-200PLC operation panel I DC module, Profibus-DP communication module, human-machine interface HMI I integrates Profibus-DP interface 532, human-machine interface HMIIII integrates Profibus-DP interface 632, and builds a Profibus-DP network integrating human-machine interface HMI and PLC.

Select PC computer I1 to install network card and Portal software, use Profinet network cable to connect PC computer I1, CPU1516 module on S7-1500PLC operation panel 512, CPU314C module on S7-300PLC operation panel 612, and build Profinet+Profibus-DP hybrid network control training The platform realizes multi-model and multi-network PLC network communication training functions.

Compared with the prior art, "a PLC network automation comprehensive training device" of the present utility model has the following beneficial effects:

1. Intuitive equipment: The equipment is directly exposed, and the equipment can be displayed in front of the students more intuitively, which shortens the transition and adaptation time of the students from the classroom to the job site.

2. Flexible structure: It adopts the modular structure of building blocks, the shape and specifications of each operation panel are the same, and the quick hanging device is adopted, which can be flexibly shifted and assembled according to the needs of training, and the use and combination of the system are more flexible.

3. Strong systemicity: This platform integrates typical large-scale PLC, medium-sized PLC, micro PLC, human-machine interface HMI, frequency converter, servo drive, stepper drive, motor drag and other major industrial field equipment, and can simulate real Various control methods on the industrial site meet the needs of students for systematic learning of PLC network automation, avoiding the defect that a single electrical component is proficient, but multiple electrical components cannot control each other.

4. Close to the actual scene: The training content of this equipment is all mainstream technology applications in the industrial scene. The preferred components include both new mainstream products and past mainstream products, which are close to the current situation of replacement and mixing of new and old products in factory equipment. The layer control architecture mode can easily carry out various small and medium-sized engineering project design or upgrade design training, and fully exercise the students' hands-on ability and comprehensive ability to solve problems.

5. Perfect protection: It is equipped with leakage protection, short circuit protection, wiring operation safety protection, safe and reliable use, and can ensure the safety of the operator.

Claims (10)

1. A PLC network automation comprehensive training device is characterized by comprising a PLC network control training cabinet and a PC computer, wherein a training operation panel is hung on the PLC network control training cabinet, and the PC computer is provided with a network card, a communication card and configuration software; the PLC network control practical training cabinet and the PC computer are constructed with the following components:

the power distribution module is used for providing power and comprises a power supply operation panel configured in the PLC network control practical training cabinet;

the remote monitoring module is used for realizing a human-computer interaction function and comprises a PC computer, a network card, a communication card and configuration software, wherein the network card, the communication card and the configuration software are configured on the PC computer;

the PLC network communication station module comprises a PLC operation panel, a remote operation panel and a human-computer interface HMI, wherein the PLC operation panel, the remote operation panel and the human-computer interface HMI are hung on the PLC network control practical training cabinet; the models and the number of the PLC operation panel, the remote operation panel and the human-computer interface HMI are selectively configured according to practical training requirements to form a profinet network, a profibus-DP network and a profinet + profibus-DP mixed network so as to realize the practical training function of multi-model and multi-network PLC network communication;

the system comprises a variable frequency speed regulation module, a PLC network control practical training cabinet and a plurality of communication devices, wherein the variable frequency speed regulation module comprises a plurality of frequency converter operation panels hung on the PLC network control practical training cabinet and is used for realizing the functions of practical training of wiring, practical training of speed positioning and practical training of multi-speed operation of a single frequency converter of each type, practical training of simultaneous operation and practical training of a plurality of frequency converters and networked communication operation;

the motion control module comprises a servo motor driving control operation panel and a stepping motor driving control operation panel which are hung on the PLC network control practical training cabinet and is used for realizing the practical training of linear displacement positioning control and rotation angle displacement positioning control;

the field control module comprises an AI analog quantity signal simulation panel, a digital quantity I/O operation panel and a three-phase asynchronous motor dragging control operation panel which are hung on the PLC network control practical training cabinet, is used for being combined with each PLC operation panel and used as a PLC network control field equipment level network node or realizing a basic motor dragging control practical training function.

2. The PLC network automation comprehensive practical training device as claimed in claim 1,

the PC computers comprise a PC computer I, PC computer II, a PC computer III and a PC computer IV; the four PC computers are all provided with an i7 processor and a memory above 4G, and are provided with a Siemens communication card and Botu software.

3. The PLC network automation comprehensive practical training device as claimed in claim 2,

the PLC network control practical training cabinet comprises a PLC network control practical training cabinet I and a PLC network control practical training cabinet II; the two cabinets are identical in mechanical structure, both adopt an internal and external double-layer frame type structure and comprise cabinet bodies and installation frames arranged in the cabinet bodies, and the installation frames are used for hanging various practical training operation panels; the cabinet body adopts four sides open structure, including four preceding, back, left and right cabinet doors and preceding, two back installation frames.

4. The PLC network automation comprehensive practical training device as claimed in claim 3,

the PLC network control practical training cabinet I is provided with a practical training operation panel hanging structure which is as follows:

a power supply operation panel I, S7-1500PLC operation panel, an S7-1200PLC operation panel I, a servo motor drive control operation panel and an S120 frequency converter operation panel are hung on the front mounting frame;

a power supply operation panel II, an S7-1200PLC operation panel II, an AI analog quantity signal simulation panel, a remote I/O Profinet operation panel and a basic electric control panel I, G120 frequency converter operation panel are hung on the rear mounting frame;

a digital quantity I/O operation panel I and a human-computer interface HMII integrated with a Profibus-DP interface are arranged on the front cabinet door;

a digital quantity I/O operation panel II and a human-computer interface HMIII integrating a Profinet interface are arranged on the rear cabinet door;

the PLC network control practical training cabinet II is provided with a practical training operation panel hanging structure which comprises the following components in parts by weight:

a power supply operation panel III, an S7-300PLC operation panel, an S7-200PLC operation panel I, a stepping motor drive control operation panel and a V20 frequency converter operation panel are hung on the front mounting frame;

a power supply operation panel IV, an S7-200PLC operation panel II, an AI analog quantity signal simulation panel, a remote I/O Profinet operation panel, a basic electric control panel II and an M420 frequency converter operation panel are hung on the rear mounting frame;

a digital quantity I/O operation panel III and a human-computer interface HMIIII integrated with a Profibus-DP interface are arranged on the front cabinet door;

and a digital I/O operation panel IV and a human-computer interface HMIIV integrating a Profinet interface are arranged on the rear cabinet door.

5. The PLC network automation comprehensive practical training device as claimed in claim 3,

the mechanical structure of the PLC network control practical training cabinet further comprises:

the three-phase five-wire industrial waterproof fixed socket is used for supplying and distributing power to the power supply operation panel of the electrical control cabinet;

the safety protection grounding copper column is arranged on the inner side below the cabinet body;

a three wire system AC220V patch cord to provide power to a PC computer;

the universal moving wheel is arranged at the bottom of the cabinet body;

the mounting frame is provided with V-shaped grooves, the operation panels are consistent in shape and specification, and flanges matched with the V-shaped grooves are arranged at four corners;

one side of an operation panel hung on the installation frame is provided with a cable through hole convenient for wiring of the communication network.

6. The PLC network automation comprehensive practical training device of claim 4,

the PC I, PC, the PC III and the PC IV are respectively used as compiling and debugging operating environments of an S7-1500PLC, an S7-1200PLC, an S7-300PLC and an S7-200PLC, and the operation panels of the training cabinet II are combined and matched through the PLC network control training cabinet I, PLC network control, so that the training of the S7-200PLC control basic skills, the training of the S7-300PLC control basic skills, the training of the S7-1200PLC control basic training skills and the training of the S7-1500PLC control basic skills are realized.

7. The PLC network automation comprehensive practical training device of claim 4,

four PC computers and two PLC network control training cabinets are combined into a multi-model and multi-PLC networking coordination control training device, one or more PC computers are used for operating a WINCC program to serve as a central monitoring center.

8. The PLC network automation comprehensive practical training device of claim 7,

selecting a PC computer I to install a network card and a Bolus software, selecting two power supply operation panels I, S7-1500PLC operation panels, S7-1200PLC operation panel I, a power supply operation panel II, S7-1200PLC operation panel II, a power supply operation panel III, S7-300PLC operation panel, a power supply operation panel IV, S7-200PLC operation panel II, a remote I/O Profinet operation panel I, a remote I/O Profinet operation panel II, a human-computer interface HMIII integrated Profinet interface, a human-computer interface HMIIV integrated Profinet interface, an AI analog quantity signal simulation panel, a servo motor drive control operation panel, a stepping motor drive control operation panel, an S120 frequency converter operation panel, a G120 frequency converter operation panel, a V20 frequency converter operation panel, an M420 frequency converter operation panel, a basic electric control panel I, a basic electric control panel II, a power supply operation panel II, a power, A digital quantity I/O operation panel I, a digital quantity I/O operation panel II, a digital quantity I/O operation panel III and a digital quantity I/O operation panel IV;

a PC (personal computer) I, a CPU1516 module on an S7-1500PLC operation panel, a CPU1214DC/DC/DC module on the S7-1200PLC operation panel I, a CM1241 communication module, a CSM1277 switch module, a CPU1214AC/DC/RLY module on the S7-1200PLC operation panel II, a CM1241 communication board, a CPU314C module on the S7-300PLC operation panel, a CPU226AC/DC/RLY module on the S7-200PLC operation panel II, an Ethernet communication module, a remote I/O Profinet operation panel I, a remote I/O Profinet operation panel II and a human-machine interface HMIII integrated Profinet interface are connected by using a Profinet network cable, a Profinet network control training platform integrating a human-machine interface HMI and a PLC into a whole is built, the communication between the S7-1500PLC and the S7-1200PLC is realized, the communication between the S7-1500 and the S PLC 7-1500 and the S3-300 is realized, the communication between the S3884-1200 and the S68542 is realized, the practical training of remote variable-frequency speed regulation control based on the Profinet network and the practical training of remote servo and stepping motion control based on the Profinet network.

9. The PLC network automation comprehensive practical training device of claim 7,

selecting a PC computer I to install a network card and Bo-Tu software, selecting a power supply operation panel I, S7-1500PLC operation panel, an S7-1200PLC operation panel I, a power supply operation panel II, an S7-1200PLC operation panel II, a power supply operation panel III, an S7-300PLC operation panel, an S7-200PLC operation panel I, a human-computer interface HMII integrated Profibus-DP interface, a human-computer interface HMIIII integrated Profibus-DP interface, an AI analog quantity signal simulation panel, a servo motor drive control operation panel, a stepping motor drive control operation panel, an S120 frequency converter operation panel, a G120 frequency converter operation panel, a V20 frequency converter operation panel, an M420 frequency converter operation panel, a basic electrical control panel I, a basic electrical control panel II, a digital quantity I/O operation panel I, a digital quantity I/O operation panel II, a power supply operation panel I, a power supply operation panel II, a power supply operation panel, A digital I/O operation panel III and a digital I/O operation panel IV;

a Profibus-DP network cable is utilized to connect a PC (personal computer) I, a CPU1516 module on an S7-1500PLC operation panel, a CPU1214DC/DC/DC module on an S7-1200PLC operation panel I, a CM1243-5DP master station module, a CPU1214AC/DC/RLY module on the S7-1200PLC operation panel II, a CM1242-5DP slave station module, a CPU314C module on an S7-300PLC operation panel, a CPU226DC/DC/DC module on the S7-200PLC operation panel I, a Profibus-DP communication module, a Profibus-DP interface integrated with a human-machine interface HMII, a Profibus-DP interface integrated with a human-machine interface HMIIII, a Profibus-DP interface HMI (human machine interface) HMI (human machine interface), a Profibus-DP network control practical training platform integrated with the PLC, the S7-1500PLC and the S2-300 PLC, the Profibus 7-1200 and the Profibus 7-300 are communicated, and the practical training platform is achieved, and the S7-68542 and S68584 communication is achieved, the remote variable-frequency speed regulation control practical training based on the Profibus-DP network and the remote servo and stepping motion control practical training based on the Profibus-DP network.

10. The PLC network automation comprehensive practical training device of claim 7,

selecting a power supply operation panel I, an S7-1500PLC operation panel, an S7-1200PLC operation panel I, a power supply operation panel IV, an S7-200PLC operation panel II, a remote I/O Profinet operation panel I, a remote I/O Profinet operation panel II, a human-computer interface HMIII integrated Profinet interface and a human-computer interface HMIIV integrated Profinet interface;

the method comprises the following steps of connecting a CPU1516 module on an S7-1500PLC operation panel, a CPU1214DC/DC/DC module on an S7-1200PLC operation panel I, a CM1241 communication module and a CSM1277 switch module by using a Profinet network cable, connecting a CPU226AC/DC/RLY module on an S7-200PLC operation panel II, an Ethernet communication module, a remote I/O Profinet operation panel I, a remote I/O Profinet operation panel II and a human-computer interface HMIII integrated Profinet interface, and constructing a Profinet network integrating a human-computer interface HMI and a PLC;

selecting a power supply operation panel II, an S7-1200PLC operation panel II, a power supply operation panel III, an S7-300PLC operation panel, an S7-200PLC operation panel I, a human-computer interface HMII integrated Profibus-DP interface and a human-computer interface HMIIII integrated Profibus-DP interface;

the method comprises the following steps of connecting a CPU314C module on an S7-300PLC operation panel, a CPU1214AC/DC/RLY module and a CM1242-5DP slave station module on an S7-1200PLC operation panel II, a CPU226DC/DC/DC module and a Profibus-DP communication module on an S7-200PLC operation panel I, integrating a Profibus-DP interface with a human-computer interface HMII, integrating a Profibus-DP interface with a human-computer interface HMIIII, and building a Profibus-DP network integrating a human-computer interface HMI and a PLC into a whole by utilizing a Profibus-DP network;

a network card and a routing software are installed on a PC computer I, the PC computer I is connected with a CPU1516 module on an S7-1500PLC operation panel and a CPU314C module on an S7-300PLC operation panel 612 by utilizing a Profinet network cable, a Profinet + Profibus-DP mixed network control practical training platform is built, and the practical training function of multi-model and multi-network PLC network communication is realized.

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