DYDGC-01A Electrician and PLC experimental device

1. Overview
M*n functions: Used for verification experimental teaching of basic electrical engineering theory and tr*ning of basic operating skills of electrical engineering. To cultivate students' ability to integrate theory with practice, analyze and solve problems, and practice practical skills. It is developed in accordance with the "Education Industry Standards of the People's Republic of China - Instrument and Equipment Equipment Standards for Electrical and Electronic Tr*ning Bases" and the Ministry of Education's "Revitalization of the 21st Century Vocational Education Curriculum Reform and Teaching Materials Construction Plan" and in accordance with the teaching and tr*ning requirements of vocational education. The product. "Programmable Controller Technology", "Programmable Controller Technology", "Programmable Controller Technology", "Programmable Controller Technology" and "Programmable Controller Technology" suitable for majors such as mechanical and electrical equipment installation and m*ntenance, electromechanical technology application , electrical operation and control, electrical technology application, electronic and electrical application and m*ntenance in higher vocational colleges and vocational schools, and non-mechanical and electrical majors. Teaching and skill tr*ning of the courses " Electrical and PLC Control Technology", "PLC and its Application", "Frequency Conversion Speed Regulation Technology", and "Fieldbus Control Technology".
The practical tr*ning device is also suitable for technical schools, vocational colleges, vocational education centers, appr*sal stations/institutes, PLC practical operations and skill appr*sal assessments of various types of work.
2. Features of the device
1. It adopts a modular structure of building blocks, and is equipped with switch values, analog values, frequency conversion speed regulation, touch color screen, bus communication modules, etc. as needed, and is equipped with configuration monitoring software and simulation tr*ning software to achieve simulation and informatization. , Online practical tr*ning teaching reflects the network and systematic nature of practical tr*ning teaching.
2. Project tr*ning module: Use current typical programmable controller technology to complete control tr*ning on logic, simulation, process, motion, etc. in simulated objects and physical models in industrial production, and complete students' cognition, design, installation , Practical tr*ning in various skills such as debugging and m*ntenance.
3. Combination of reality and reality, flexibility, and strong scalability of practical tr*ning projects.
3. Technical performance
1. Input power supply: three-phase four-wire (or three-phase five-wire) ~ 380V ± 10% 50Hz
2. Working environment: temperature -10℃ ~ +40℃, relative humidity < 85% (25℃) altitude < 400m
3. Device capacity: <0.5KVA
4. Weight: <110Kg
5. Dimensions: (1400mm+600mm) × 700mm × 1600mm
6. Safety protection: equipped with leakage voltage and leakage current protection devices, safety in line with national standards
3. System Composition
1. PLC programmable controller tr*ning screen (composed of host box and mesh board) 
2. PLC programmable controller tr*ning object   
3. PLC programmable controller host
4. PLC programmable controller operating table
5. Frequency conversion Device: Mitsubishi FR-D720S 0.4KW:
6. Touch screen: 7-inch Kunlun Tong-state, 256 colors
7. PLC programmable controller operating table   
8. Programming application software   
9. Simulation teaching software
10. PLC and transfer communication cable
11. Computer or handheld programmer (prepared by the user or purchased on behalf of the user)
3. Technical indicators of the PLC programmable controller tr*ning platform control box
1. AC power
supply 1.1 Power input: working voltage 380V±5% (50Hz), the indicator light lights up during input.
1.2 Power output: It has secondary protection functions of fuse and leakage protection switch. The output three-phase AC 380V working voltage has an indicator light, and the three-phase AC voltage output is controlled through the load power switch. Three-phase five-wire power is output through 5 safety sockets. 
1.3 DC power supply
group A: DC voltage 24V/2A output, automatic overcurrent protection function. 
Group B: Two channels of 0-12V DC regulated power supply, built-in relay for automatic shifting, continuous voltage regulation, output current 2A. Overcurrent automatic protection function.
Group C: Multiple groups of single-phase m*ns output for users to prepare their own instruments.
4. PLC programmable controller host hanging box functions and features
◆PLC host: SR40 input: 24 points, output 16 points
◆PLC host has independent control of the working power switch and fuse, and the input and output ports of the PLC host have been led to the panel. The input can be connected to an analog input switch, a travel switch or a photoelectric switch, etc. The output can be connected to the indicator lights, digital tubes and relays, DC , and can also be connected to the demonstration device to apply actual industrial control.
5. Frequency converter: Frequency converter tr*ning component: equipped with Mitsubishi FR-D720S 0.4KW frequency converter, with RS485 communication interface and BOP operation panel
6. Touch screen: Touch screen tr*ning component: 7-inch Kunlun Tong state, 256 colors.
7. Tr*ning platform structure:

1. Tr*ning screen: On the left is the PLC programmable controller tr*ning platform PLC host and AC and DC power supply control box. On the right is the mesh tr*ning expansion board. The mesh tr*ning expansion board is made of CNC punch. The mesh distribution is reasonable and even. The aperture is uniform, and the vitality components that can be installed on it include various types of low-voltage electrical, PLC, microcontroller , frequency converter, touch screen, etc. The mesh plate thickness is 1.5mm and the size is 650*580MM. The tr*ning screen is equipped with an angle adjustment mechanism. According to the actual needs of the tr*ning, the angle of the mesh plate on the tr*ning screen can be adjusted, and the tr*ning screen can be removed or installed at will, which greatly improves the comfort and practicality of the tr*ning operation. efficiency. There are two handles on the left and right sides of the mesh board to facilitate the shifting and installation of the mesh board.
2. Tr*ning table: One experimental table with two seats. The specifications of the experimental table are 1400 (length) * 700 (width) * 800 (height). The m*n structure of the experimental table is made of high-performance surface-oxidized aluminum profiles and one-time aluminum die-casting. Frame connecting components, the connecting components adopt die-casting process (non-welding process), are machined, shot blasted, sandblasted, and surface electrostatic sprayed. The installation is easy and fast, and users can DIY the assembly by themselves. The uprights of the table body are made of industrial aluminum profiles, with surface oxidation treatment. Cross-sectional size: 70mm×70mm, with grooves on four sides, the groove width is about 8mm, and the ends are equipped with plastic plugs. The desktop is made of 25mm E1 grade melamine decorative panel. There is a support frame under the desktop panel with a bearing capacity of not less than 300kg. Equipped with a storage cabinet to store components and tools. The bottom of the storage cabinet has 4 high-strength universal brakeable PU casters for easy movement. The overall tr*ning device is simple but not simple, high-end and in line with modern product aesthetics and development trends.
The two table legs behind the experimental table extend upward to form a fixed bracket for the power control box, which fixes the PLC host unit, power control box and mesh tr*ning board.
3. Computer desk: Steel-aluminum structure, equipped with 4 universal wheels, computer backrest, keyboard tray, and host bracket.
4. Storage cabinet: Equipped with a storage cabinet to store tr*ning modules and tools. There are 4 high-strength universal brakeable PU casters at the bottom of the storage cabinet for easy movement.
8. Practical tr*ning equipment:
(1) Virtual and real combination PLC programmable controller tr*ning module
cont*ns analog signals and switching signals, which can simulate the operating status of equipment at industrial sites. Provides three-story elevators , vending machines, robots , automatic doors, light of the sky tower, fully automatic washing machines, automatic molding machines, traffic lights, assembly lines, four-way answering machines, musical fount*ns, rolling mills, m*l sorting, and material sorting Simulation control tr*ning such as picking, multi-level conveyor belt, automobile circuit control, machine tool PLC transformation control, tunnel monitoring, etc. The indicator light uses SMD two-color LED, and the panel adopts 3D three-dimensional color matching design to make the simulation object more intuitive and three-dimensional. The switch adopts automatic The integrated reset and self-locking design makes practical tr*ning flexible and practical. It has the function of switching between high and low levels of input signals for various PLC modules.
(2) Electrical components: Typical motor control operating unit: 3 AC contactors; 1 time relay, 1 3H button box, 1 thermal relay, 4 DC 24V relays.
(3) One three-intersection motor: 380V/180W, aluminum casing.
 9. Practical tr*ning items
 (1) Electrical control
1. Electrical wiring technology tr*ning
2. Two switches control one light circuit tr*ning
3. Voice-activated switch control incandescent circuit tr*ning
4. Circuit tr*ning for controlling one light in two places
5. Three places to control one lamp circuit tr*ning
6. Fluorescent lamp circuit wiring tr*ning
7. Direct installation and wiring of single-phase watt-hour meter
8. The single-phase watt-hour meter is installed and wired through a current transformer
9. Indoor lighting circuit installation tr*ning
10. Distribution panel installation tr*ning
11. Measurement of AC load electrical power
12. Three-phase asynchronous motor direct start control
13. Three-phase asynchronous motor contactor inching control circuit
14. Three-phase asynchronous motor contactor self-locking control circuit
15. Three-phase asynchronous motor Y/△ automatic control circuit
16. Use the reverse switch to control the forward and reverse circuits of the three-phase asynchronous motor
17. Contactor interlocking forward and reverse control circuit
18. Button interlocking three-phase asynchronous motor forward and reverse control circuit
19. Double interlocked three-phase asynchronous motor forward and reverse control circuit
20. Three-phase asynchronous motor multi-site control
21. Workbench automatic round-trip control circuit
22. Three-phase asynchronous motor series resistance step-down starting control circuit
23. Three-phase asynchronous motor energy consumption braking control circuit
(2) Automatic control comprehensive tr*ning
1. AND, OR, non-logic function test
2. Timer and counter function test
3. Jump and branch function tr*ning
4. Shift register test
5. Data processing function tr*ning
6. Differential and bit operation test
7), three-story elevator control
8, automatic vending machine
9, manipulator
10, automatic door
11, light of the sky tower
12, fully automatic washing machine
13, automatic molding machine
14, Traffic light
15, assembly line
16, four-way answering machine
17, musical fount*n
18, rolling mill
19, m*l sorting
20, material sorting
21, multi-stage transmission
22, eight-segment code display
23, multiple liquid mixing
24, double-sided milling machine
25. Electroplating tank
26. AC motor forward and reverse control
27. Car movement
28. Mixing station
29. Car lighting control
30. Car spark plug ignition control 31.
Machining center control
32. Tunnel monitoring
33. Escalator

34. CA6140 ordinary lathe PLC Transformation control
35, X62W** milling machine PLC transformation control
36, T68 horizontal boring machine PLC transformation control
37, M7120 surface grinder PLC transformation control
38, Z3050 radial drilling machine PLC transformation control
39, Z35 radial drilling machine PLC transformation control
41, M1432A* *Cylindrical grinder PLC transformation control
42, typical motor control practical tr*ning (jogging, self-locking, forward and reverse rotation, star-delta switching start, etc.)
(1) Three-phase squirrel-cage asynchronous motor jogging and self-locking PLC Control (actual object)
(2) Three-phase squirrel cage asynchronous motor linked forward and reverse PLC control (actual object)
(3) Three-phase squirrel cage asynchronous motor with delay forward and reverse PLC control (actual object)
(4) Three-phase rat Cage asynchronous motor Y/△ conversion starting PLC control (physical)
43. Comprehensive application skills tr*ning of PLC, frequency converter and touch screen
1) Frequency converter function parameter setting and operation
2) Frequency converter alarm and protection function
3) External terminal jog Control
3) Frequency converter controls motor forward and reverse rotation
4) Multi-stage speed selection and variable frequency speed regulation
5) Frequency converter stepless speed regulation 6) Frequency conversion speed regulation
based on external analog (voltage/current) control method 7) Instantaneous power outage start control 8 ) PLC controls the forward and reverse rotation of the motor at the external terminals of the frequency converter 9) PLC controls the motor running time control at the external terminals of the frequency converter 10) Multi-stage speed based on PLC digital control method 11) Open-loop speed regulation of the frequency converter based on PLC communication method 12 ) Basic instruction programming exercises based on touch screen control method 13) LED control based on touch screen control method 14) PLC, touch screen and frequency converter communication control 10. Configuration list









 

Table 1 Configuration list of electrical components (1 unit)