Network type PLC programmable controller / frequency conversion speed regulation / electrical control and microcomputer interface comprehensive experimental device

ZN-04C type network PLC programmable controller / frequency conversion speed regulation / electrical control and microcomputer interface comprehensive experimental device
1. Overview
ZN-04C type network PLC programmable controller frequency conversion speed regulation electrical control and microcomputer interface comprehensive experimental platform is It is specially designed for the "Programmable Controller Technology", "Programmable Controller and Its Application" and other course experiments set up by various colleges and universities in China. It integrates programmable logic controllers, communication modules, analog control modules, and programming software. , Industrial control configuration software, simulation teaching software, experimental hanging box (inverter control, touch screen control, microcomputer interface, etc.), the physical object is one. ZN-04C network type PLC programmable controller frequency conversion speed regulation electrical control and microcomputer interface comprehensive experimental platform can intuitively perform PLC basic instruction exercises, multiple PLC practical application simulation experiments and physical experiments, all experiments have configuration The bar graph is dynamically tracked.

2. Features:
1. The device adopts a modular structure, and it is convenient to replace experimental modules. If you need to expand the function or develop new experiments, you only need to add the experimental module hanging box, and it will never be eliminated.
2. Dual-port wiring method: The connection between the PLC host and the experimental module hanging box can be connected point by point with a self-locking plug-in single line to improve the experimenter’s ability to use their hands and brains, and deepen their understanding of the structure and function of the PLC. One-time connection through the flat cable to increase the experimental connection speed, which has absolute superiority compared with other manufacturers' single connection method.
3. The image of the experimental object is lifelike and close to the practical application of the industrial site. Through the training of this device, the students can quickly adapt to the on-site work.
4. It adopts Mitsubishi FX1N-40mR programmable controller, which has powerful functions and superior performance. It adopts modular design and flexible combination. Users can form different control systems according to different needs.
5. Configuration bar diagram teaching, using MCGS industrial control configuration software, all experiments have been edited out visually intuitive, dynamic, and good teaching effect configuration bar diagrams, and dynamic tracking teaching of experiments.
6. Complete experimental projects, including digital quantity, analog quantity, frequency conversion speed regulation, touch screen, network communication and electrical control, etc.
7. The network teaching experiment of the PLC host: equipped with RS485 network communication (CC-Link communication is also optional, the price is negotiable), the teacher's computer (master station) respectively conducts direct communication experiments with 16 PLC hosts (slave stations) ( That is, 1:N communication is performed, and any PLC host (master station) and 7 PLC hosts (slave stations) are directly communicated with each other (ie, N:N communication is performed).
8. Microcomputer interface and application part:
(1) Microcomputer interface part: a PCI bus expansion card, 8279 keyboard, six-digit digital display connection cable. There are also I/O address decoding circuits 8255, 8253, ADC0809, DAC0832, etc.;
(2) Microcomputer application part: equipped with acoustic sensors, relays and horns, DC motors, stepping motor drive control circuits;
(3) Auxiliary circuits: 40-pin, 20-pin, 16-pin, 14-pin integrated socket, logic level switch, LED display, clock (1MHZ, 2MHZ), square wave signal.
3. Technical performance
1. Input power supply: three-phase four-wire (～380V±10% 50Hz)
2. Working environment: temperature -10℃～+40℃ relative humidity <85% (25℃)
3. Device capacity: 300VA
4 , Weight: 160Kg
5. Dimensions: 160×75×150 cm3
4. Device composition
(1) Power supply
1. Power input: working voltage 380V±5% (50Hz), the indicator light is on when inputting.
2. Power output: secondary protection function with fuse and leakage protection switch. There are three high-precision voltmeters for outputting three-phase AC 380V working voltage, and the three-phase AC voltage output is controlled by the start-stop button.
Group A: DC voltage +5V/3A output, high-precision DC voltmeter indicating voltage output, automatic over-current protection function.
Group B: DC voltage 24V/2A output, high-precision DC voltmeter indicating voltage output, automatic over-current protection function.
Group C: Low-voltage DC regulated power supply, voltage +12V/-12V output, current 2A.
Group D: 0-30V DC regulated power supply, built-in relay for automatic gear shifting, multi-turn potentiometer for continuous voltage regulation, output current 2A, with preset current-limiting protection function.
Group E: Constant current source, providing 0-20mA constant current source
. Group F: Single-phase mains output for users to prepare their own instruments.
(2) Control screen: There are guide rails up and down in the large aluminum alloy groove on the front, and the position of the experimental module pendant on the control screen can be exchanged at will.
(3) Experimental table: aluminum-wood structure, the frame is made of high-quality aluminum alloy made by special molds. The surface of the aluminum alloy is oxidized, which is durable, beautiful and in line with modern aesthetics. The desktop is made of fireproof, waterproof and wear-resistant high-density board , The lower part of the table is equipped with storage cabinets and computer mainframe cabinets.
(4) JDS-01 PLC host experiment components:
1. Mitsubishi FX1N-40mR-001 AC/DC/relay, built-in digital I/O (24 switch inputs, 16 relay outputs).
2. FX0N-3A analog module (2 analog inputs, 1 analog output).
3. FX2N-485-BD communication module, SC-09 communication programming power supply, RS485 network communication.
(5) JDS-02 relay contactor control experiment hanging box (1)
Provide 2 AC contactors, 2 thermal relays, 1 analog light bulb, and 3 control buttons.
(6) JDS-03 relay contactor control experiment hanging box (2)
Provide 2 AC contactors, 1 time relay, dynamic braking transformer, rectifier diode, high-power resistor, etc.
(7) JDS-04 Touch Screen Experiment Hanging Box
Equipped with a 5.7-inch eview500 256-color LCD touch screen with RS485 communication interface.
(8) JDS-05 inverter experiment hanging box uses Mitsubishi FR-D720S/0.4KW
(9) Temperature closed-loop control hanging box
(10) A/D and D/A conversion hanging box
(11) PLC001 traffic signal lamp PLC automatic Control experiment hanging box
(12) PLC002 PLC automatic control experiment hanging box of agitator
(13) PLC003 LED digital tube display PLC automatic control experiment hanging box (in kind)
(14) PLC004 PLC automatic control experiment hanging of the fourth floor elevator Box (in kind)
(15) PLC005 machining center tool library selection control experiment hanging box (in kind)
(16) PLC006 PLC control experiment hanging box with artistic lantern shape
(17) PLC007 automatic control experiment hanging box of motor (in kind) )
(18) PLC008 stepper motor PLC control experiment hanging box (in kind)
(19) PLC009 analog TV transmission tower experiment hanging box
(20) PLC010 automatic feeding and loading system experiment hanging box
(21) PLC011 automatic Vending machine experiment hanging box
(22) PLC012 Automatic molding system experiment hanging box
(23) PLC013 Water tower automatic water supply system experiment hanging box
(24) PLC014 Mail automatic sorting system experiment hanging box
(25) PLC015 Automatic washing machine system experiment hanging box
(26) PLC016 electroplating system experiment hanging box
(27) three-phase squirrel cage and motor 380V Y /△ connection 2 sets
(28) basic experiment hanging box
(29) Microcomputer interface and application part:
(1) Microcomputer interface part: a PCI bus expansion card, 8279 keyboard, six-digit digital display connection cable. There are also I/O address decoding circuits 8255, 8253, ADC0809, DAC0832, etc.;
(2) Microcomputer application part: equipped with acoustic sensors, relays and horns, DC motors, stepping motor drive control circuits;
(3) Auxiliary circuits: 40-pin, 20-pin, 16-pin, 14-pin integrated socket, logic level switch, LED display, clock (1MHZ, 2MHZ), square wave signal.
5. Experiment content
(1) PLC experiment content
1. And, or, non-logic function experiment
2. Timer and counter function experiment
3. Jump and branch function experiment
4. Shift register experiment
5. Data processing function experiment
6. Differential and bit manipulation experiment
7. A/D, D/A conversion
8. PLC automatic control experiment of traffic signal lights
9. PLC automatic control experiment of agitator10
. LED digital official display PLC automatic control experiment
11. PLC automatic control experiment of the four-story elevator
12.
13. Machining center tool library selection control experiment 13. PLC control experiment of artistic lantern modeling
14. Automatic control experiment of motor
15. PLC control of stepping motor
16. Experimental experiment of analog TV transmission tower
17. Control experiment of automatic feeding and loading system
18. Vending machine experiment
19. Automatic forming experiment
20. Water tower automatic water supply control system experiment
21. Mail automatic sorting experiment
twenty two. Simulation experiment of automatic washing machine control system
23. Electroplating process control experiment
24. Basic instruction demonstration of touch screen
25. LED digital display control of touch screen
26．Touch screen controlled three-phase squirrel cage asynchronous motor variable frequency speed control
27. Inverter function parameter setting and operation experiment
28. Temperature PID control of the touch screen
29. Frequency conversion open loop speed regulation experiment of three-phase asynchronous motor
30. Open loop speed regulation of frequency converter based on PLC communication mode
31. The closed-loop speed regulation of frequency converter based on PLC communication mode
32. 33．Frequency converter closed-loop speed regulation based on PLC analog quantity mode
33．Three-phase squirrel cage asynchronous motor jog control
34. The three-phase squirrel cage asynchronous motor has a self-locking forward rotation control circuit
35. Three-phase squirrel cage asynchronous motor interlocking forward and reverse control
36. Three-phase squirrel cage asynchronous motor with delay forward and reverse control
37. Three-phase squirrel cage asynchronous motor Y/△ conversion start control
38. Contactor control string resistance start control circuit
39. Delay control series resistance step-down starting circuit
40. C620 lathe electrical control circuit
41. MCGS configuration bar graph experiment teaching
42. Use the prepared configuration bar graph to conduct dynamic tracking teaching experiment on any of the above experiments
43. According to the specific requirements of the experimental project, the students edit the configuration bar graph to carry out the experiment.
(2) Microcomputer interface and microcomputer application experiment content:
A. Microcomputer interface experiment (microcomputer principle course)
1. I/O address decoding experiment
2. Simple parallel Interface experiment
3. Programmable parallel port experiment (1) (2)
4. Serial communication experiment (8251, 8250)
5. A/D, D/A conversion
6. Programmable timer/counter experiment
7. Seven-segment digital display experiment
8. Interrupt experiment and DMA communication experiment
B. Interesting experiment And control experiment (microcomputer application course)
1. Competition answerer experiment
2. Digital recorder experiment
3. Electronic organ experiment
4. Traffic light control experiment
5. Relay control experiment
6. Stepping motor control experiment
7. Seven-segment digital display experiment
8. Integrated circuit test experiment
9, 8279 keyboard, display control experiment
C, TTL integrated circuit experiment (digital circuit course)
1. And, OR, NOT gate circuit experiment
2. Combination logic circuit experiment (half adder, full adder, etc.) )
3. Trigger experiment (RS, D, JK, etc.)
4. Integrated counter and register
5. Decoder and data selector, etc.
6. Waveform experiment such as monostable trigger
6. Configuration list