DYWXC-86 Intermediate Maintenance Electric Training Device

1. Overview: The
Intermediate M*ntenance Electrician Tr*ning Platform is designed according to the requirements of "Worker Level Standards" and "Occupational Skill Appr*sal" issued by the Ministry of Labor and Social Security. It is suitable for "Elementary M*ntenance Electrician " and "Intermediate M*ntenance Electrician" and the electrical control circuits required by the "**M*ntenance Electrician" textbook . Through the tr*ning of the PLC programmable controller and variable frequency speed regulator equipped with the device and the corresponding tr*ning modules, you can quickly master the practical application technology and operating skills required by the course, and have specific skills. It is practical, practical, scientific and advanced. It can meet the requirements of technician technology and the assessment syllabus for middle and high-level m*ntenance electricians. It is an ideal equipment for the assessment of m*ntenance electrician skills in various labor and professional skill appr*sal departments, colleges and universities, and technical schools. .
2. Features of the device:
1. The electrical control circuit components are all installed on the mounting plate as a hanging board, which is easy to operate and replace, making it easy to expand functions or develop new tr*ning, and the selection of operation content is typical and practical;
2 .The operation console only needs three-phase four-wire AC power supply before it can be put into use;
3. The control circuit for skill tr*ning and the specially designed small motor can simulate various electrical drive systems in the factory and satisfy the needs of m*ntenance electricians. Technical requirements for installation, debugging, fault analysis and troubleshooting;
4. The device is equipped with voltage and current leakage protectors to ensure the safety of the operator;
5. All components are led to the terminal blocks through wires, and students When wiring, you only need to wire on the terminals, which is beneficial to protecting components;
6. Route wires through wire troughs for process wiring tr*ning.
3. Technical performance:
1. Input voltage: three-phase four-wire (or three-phase five-wire) ~ 380V ± 10% 50Hz
2. Working environment: temperature -10 ~ +40℃, relative humidity <85% (25℃), altitude <4000m
3. Device capacity: <1.5KVA 
4. Weight: 100Kg
5. Dimensions: 2080×700×1630mm3
6. Leakage protection action current: ≤30mA; leakage protection action time: ≤0.1s.
4. Basic configuration and functions of the device
 (1) DW01 power control chassis
The power control chassis is made of iron with a double-layer matt dense pattern spray-p*nted structure and an aluminum panel. Provide AC power, DC power, safety protection, etc. for experiments. The specific functions are as follows:
1. M*n control function board
(1) Three-phase four-wire power input, after passing through the leakage protector, passes through the m*n switch, and is operated by the contactor through the start and stop buttons;
(2) There is a 450V pointer on the control screen One AC voltmeter, which can observe three grid voltages by switching the band switch;
2. AC and DC power supplies
(1) DC regulated power supply: 24V one channel, ±12V two channels, +5V one channel, with short-circuit soft cutoff automatic recovery protection Function.
(2) Constant current source, providing 0-20mA constant current source.
(3) AC power supply: ①. There is a set of transformers. The primary side of the transformer can add 220V or 380V AC power according to different wiring. After closing the switch, the secondary side of the transformer can output 36V, 110V, 20V, 20V. , 12V, 6.3V AC voltage; ②. Equipped with a set of single-phase voltage regulator, which can obt*n AC 0~250V adjustable voltage; ③. The control panel is equipped with a single-phase three-pole 220V power socket and a three-phase four-pole 380V Power outlet.
3. Four 5408 diodes are used for the rectifier circuit of energy-consuming braking;
4. Three 75Ω/50W resistors are used for motor step-down starting, and one 10Ω/25W is used for energy-consuming braking of asynchronous motors.
(2) M*n experimental equipment:
1. DW-01 m*ntenance electrician tr*ning component (1)
The hanging board is equipped with AC contactor, button indicator light (6.3V), terminal blocks and safety sockets, etc.
2. DW-02 m*ntenance electrician tr*ning component (2)
The hanging box is equipped with push-in fuses, low-voltage circuit breakers, thermal relays, time relays, terminal blocks and safety sockets, etc.
3. DW-03 m*ntenance electrician tr*ning component (3)
The hanging box is equipped with transfer switches, solenoid valves, cross switches, travel switches, etc.
4. The PLC host hanging box
    is equipped with Mitsubishi FX3U-48mR host, integrated digital I/O (24 digital inputs, 24 digital outputs), RS-422 communication port, SC-09 communication programming cable and switching input and output port, switch etc. Simulation teaching software and industrial control configuration software are randomly configured.
5. The PLC tr*ning module
  includes 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 (no less than 36 tr*ning modules) such as picking, multi-level conveyor belts, automobile circuits, tunnel monitoring, escalators, machine tool circuit modifications, etc. The indicator lights use SMD dual-color LEDs, and the panel adopts a 3D three-dimensional color matching design. It makes the simulation object more intuitive and three-dimensional. The switch adopts a self-resetting and self-locking integrated design to make the tr*ning flexible and practical. It is suitable for various PLC modules with high and low level switching functions of input signals. Compatible with all PLC hosts.
6. The frequency converter tr*ning hanging box
    is equipped with Mitsubishi FR-D720S 0.4KW frequency converter, with RS485 communication interface and BOP operation panel.
7. The motor guide r*l and optical code disk speed measurement system
    includes a set of optical code disk speed measurement system (equipped with photoelectric encoder) and 1 guide r*l. The r*l has good flatness, no stress deformation, and good concentricity.
8. A set of industrial control configuration software:
    Open the software programming environment, and you can edit configuration bar diagrams with intuitive and dynamic images and good digital effects for any practical tr*ning, and conduct dynamic tracking and teaching for practical tr*ning.
9. A set of PLC simulation tr*ning software:
(1) Display the running status of PLC in real time through the PLASH virtual environment
(3) PLC programming tr*ning, PLC program writing and testing and other functions
(4) Realize PLC running simulation and check error programs
10. Three-phase squirrel cage motor AC220V (Y)
11. Three-phase squirrel cage motor AC380V (Y/△)
12. Two-speed asynchronous motor AC380V (△/YY)
(3) Tr*ning table
The specification of the experimental table is 1600 (length) * 700 (width) * 1500 (height). It is equipped with a drawer and a keyboard. The lower right corner of the table is equipped with a computer host at the rear. Trust. The m*n structure of the experimental table is all made of high-performance surface-oxidized aluminum profiles and one-time aluminum die-cast frame connecting components. The connecting components adopt die-casting molding process (non-welding process), and are machined, shot blasted, sandblasted, surface electrostatic sprayed, and installed. Convenient and fast, users can DIY the assembly by themselves. The uprights of the table body are made of industrial aluminum profile molding technology, with surface oxidation treatment. The cross-sectional size is 70×70mm, with grooves on all sides, the width of the groove 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 tr*ning hanging boxes, etc. 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 legs at the back of the experimental table extend upward, and are equipped with two specially-molded aluminum profiles with chute beams to form an electrical experiment hanging box bracket. The bracket is matched with the electrical control experiment hanging box, making it easy to move up and down and shift left and right. Install the power control chassis on the top of the bracket.
5. Practical tr*ning items
(1) Electrical control tr*ning
1. Three-phase asynchronous motor direct starting control circuit                                          
2. Three-phase asynchronous motor inching control circuit
3. Three-phase asynchronous motor self-locking control circuit
4. Three-phase asynchronous motor button connection Lock forward and reverse control circuit
5. Three-phase asynchronous motor contactor interlocking forward and reverse control circuit
6. Three-phase asynchronous motor double interlocking forward and reverse control circuit
7. Three-phase asynchronous motor workbench automatic round-trip control circuit
8. Two Three-phase asynchronous motor sequential start and sequential stop control circuit                                 
9. Two-place control circuit of three-phase asynchronous motor
10. Y-△ control controlled by contactor
11. Y-△ control controlled by time relay
12. Three-phase asynchronous motor One-way start reverse connection brake control circuit
13. Three-phase asynchronous motor without transformer half-wave rectification one-way start energy consumption
Brake control circuit
14. Three-phase asynchronous motor with transformer full-wave rectification one-way start energy consumption
Brake control circuit
15 . Three-phase asynchronous motor forward and reverse start energy consumption braking control circuit
16. Two-speed AC asynchronous motor manual transmission control circuit
17. Two-speed AC asynchronous motor automatic transmission control circuit
18. Power-off delay Y of DC energy consumption braking -△Start control circuit
19. Three-phase asynchronous motor forward and reverse energy consumption braking control circuit
20. Three-phase asynchronous motor forward and reverse start and reverse braking control circuit
21. C620 lathe electrical control circuit

(2) PLC programmable Controller basic circuit 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 operations Test
7. Three-story elevator control
8. Vending machine
9. Robot
10. Automatic door
11. Light of the sky tower
12. Fully automatic washing machine
13. Automatic forming machine
19. M*l sorting
20. Material sorting
21. Multi-level transmission
22. Eight-segment code display
23. Mixing of multiple liquids
24. Double-sided milling machine
25. Electroplating tank
26. AC motor forward and reverse control
27. Car movement
28. Mixing station
29. Automobile lighting control
30. Automobile 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. Electric hoist PLC transformation control
40. Z35 radial drilling machine PLC transformation control
41. M1432A** cylindrical grinder PLC Transformation control
(3) PLC** comprehensive skills tr*ning
1. Three-phase asynchronous motor forward and reverse control controlled by PLC
2. Y-△ start control of three-phase asynchronous motor controlled by
PLC 3. Voltage reduction of three-phase asynchronous motor controlled by PLC Startup control
4. PLC controlled three-phase asynchronous motor energy consumption braking control
5. Frequency converter function parameter setting and operation
6. Frequency converter alarm and protection functions
7. Multi-stage speed selection frequency conversion speed regulation
8. External terminal jog control
9. Control motor forward and reverse motion control
10. Control motor running time operation
11. Instantaneous power outage inverter parameter setting
12. External voltage frequency conversion speed regulation
13. External current frequency conversion speed regulation
14. Frequency conversion open-loop speed regulation of three-phase asynchronous motor
15 .PLC controls frequency converter speed regulation
16. Practical tr*ning on touch screen
17. Practical tr*ning on communication between touch screen and PLC

6. Overall configuration table 1

 
Table 2. Hanging box configuration description table