Programmable controller/microcomputer interface and microcomputer application integrated device

ZN-02DPLC type PLC/microcomputer interface and microcomputer application integrated device
1. Overview
ZN-02DPLC type PLC programmable controller, microcomputer interface and microcomputer application integrated experimental equipment is to achieve one machine with multiple functions, resource sharing, and easy management. This brand-new system realizes the three-in-one of professional basic courses (analog, digital circuit), professional courses (microcomputer principle), course design and graduation design (microcomputer application). It truly achieves multiple functions in one machine, greatly saving laboratories and saving management People, save money. In conjunction with this equipment, we provide teachers with a teacher’s experiment guide for the microcomputer principle class and the microcomputer application class. The book contains the experimental purpose, experimental circuit and reference program list in assembly language and C language for this part of the experiment (providing program Floppy disk) for teachers’ reference, which reduces the workload of teachers preparing lessons and tutoring experiments. The ZN-02DPLC PLC programmable controller, microcomputer interface and microcomputer application comprehensive experimental equipment is an ideal choice for schools to achieve one-step, scale up, and high-grade. . The PLC part simulates the typical control objects in the actual industrial control process. The ZN-02DPLC PLC programmable controller, microcomputer interface and microcomputer application integrated experimental equipment vividly demonstrate the entire execution process of the PLC. Can vividly verify the correctness of the program written by the executive agency, master the practical application of PLC, and enhance students' interest in PLC learning. The product adopts the hanging box type, which is convenient for the expansion of experimental projects and the second development of users. Since the product was launched, it has received unanimous praise from teaching teachers and experts in various universities. The whole set of equipment is designed with reasonable design, powerful function, simple and convenient operation, and it can understand and master the control principle and operation method of programmable controller for students. Speed ​​up the learning of PLC programming methods. All are of great help.
ZN-01 excavator training model
2. System composition
1. PLC programmable controller experiment table (composed of demonstration screen and control box)
2. PLC programmable controller experiment demonstration device
3. PLC programmable controller operating table
4 , Programming application software
5, simulation teaching software
6, PLC and switching communication cable
7. 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.
8. Computer or handheld programmer (provided by the user or purchased by purchase).
3. PLC programmable controller test bench control box technical indicators
1. Power supply
1.1 Power input: working voltage 380V±5% (50Hz), the indicator light is on when inputting.
1.2 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.
Four, PLC programmable controller mainframe hanging box function, characteristics
PLC mainframe: input: 24 points, output 16 points (optional)
Model: Mitsubishi FX1N-40MR (Siemens and Omron can also be selected, the price is negotiable)
Output voltage: DC 24V, voltmeter indication
Use application software to program
Power input: AC 220V, 50Hz
1) Features include
AC power input area
PLC host, programming Cable
LED light-emitting tube, indicator light
Output load indication
Input analog switch (button and switch)
LED digital tube, buzzer
DC stabilized power supply 5V1A, 24V2A
PLC input and output ports
2) The input and output ports of the PLC host have been led to the panel on. The input can be connected to analog input switch, travel switch or photoelectric switch, etc. The output can be connected to the indicator light, digital tube and relay, DC motor and buzzer on the panel, and can also be connected to the demonstration device, which can be applied to actual industrial control.
3) The PLC host generally adopts the original Japanese Mitsubishi series host. Other models of mainframes can also be equipped upon request.
4) The test bench itself has a 24V2A power supply. It can be directly used to output the load or interface with a demonstration device or connect with other corresponding devices.
5. Experimental table: aluminum-wood structure, high-quality aluminum alloy frame made by special molds, aluminum alloy surface is oxidized, durable, beautiful and elegant, in line with modern aesthetics, the desktop is fireproof, waterproof, wear-resistant high-density board, Storage cabinets and computer mainframe cabinets are arranged at the lower part of the table.
Six, PLC programmable controller experiment demonstration hanging box
This device is an external demonstration device designed to cooperate with the PLC programmable controller test bench. It is composed of LED light-emitting diodes, large LED digital tubes, DC motors, stepping motors and other actuators to simulate the state of the actual industrial control process with other peripheral circuits. It vividly demonstrates the entire execution process of the PLC. Through this device, students' hands-on ability can be exercised, the execution agency can vividly verify the correctness of their own programs, master the practical application of PLC, and enhance students' interest in PLC learning. The back cover of the demonstration hanging box is made of aluminum alloy injection molding, the box structure is reasonable, the technology is advanced, and the beauty is generous. The position of the device on the demonstration screen can be moved and interchanged arbitrarily.
The input and output of the PLC on the demonstration device use 24V power supply, and the 5V power supply is for the peripheral use in the actuator. Each set of demonstration device is mainly composed of seventeen experimental hanging boxes. Their models are:
1) PLC001 traffic signal light PLC automatic Control
2) PLC002 PLC automatic control of agitator
3) PLC003 LED digital tube display PLC automatic control (in kind)
4) PLC004 PLC automatic control of the four-story elevator (in kind)
5) PLC005 Machining center tool library selection control (in kind)
6) PLC006 PLC control of artistic lantern shape
7) PLC007 automatic control of motor (in kind)
8) PLC008 PLC control of stepping motor (in kind)
9) PLC009 analog TV transmission tower
10) PLC010 automatic feeding and loading system
11) P LC011 automatic Vending machine
12) PLC012 automatic molding system
13) PLC013 water tower automatic water supply system
14) PLC014 mail automatic sorting system
15) PLC015 automatic washing machine system
16) PLC016 electroplating system
17) PLC017 basic experiment
18) AC contactor training hanging box
19) Mitsubishi PLC host: input: 24 points, output 16 points

7. Experimental project
(1), PLC programmable controller experimental system
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.
8. PLC automatic control experiment of traffic signal lights 8. PLC automatic control experiment of agitator
9. LED digital official display PLC automatic control experiment
10. PLC automatic control experiment of the four-story elevator
11.
12. Machining center tool library selection control experiment 12. PLC control experiment of artistic lantern modeling13
. Automatic control experiment of motor
14. PLC control of stepping motor
15. Experimental experiment of analog TV transmission tower
16. Automatic feeding and loading system control experiment
17. Vending machine experiment
18. Automatic forming experiment
19.
20. Water tower automatic water supply control system experiment 20. Automatic mail sorting experiment
21. Simulation experiment of automatic washing machine control system
22. Electroplating process control experiment
21. Simulation experiment of automatic washing machine control system
22. Electroplating process control experiment
twenty three. Excavator control programming training: Integrating PLC technology and microcomputer control technology, that is, a model with an image and a vivid and specific operating mechanism. The experiment operation is convenient. It is an ideal model for various colleges and universities to conduct physical experiments with programmable controller technology. .
twenty four. Three-phase squirrel cage asynchronous motor jog and self-locking PLC control (in kind)
25. Three-phase squirrel cage asynchronous motor linkage forward and reverse PLC control (in kind)
26. Three-phase squirrel-cage asynchronous motor with delay forward and reverse PLC control (in kind)
27. Three-phase squirrel cage asynchronous motor Y/△ conversion start PLC control (in kind)
28. MCGS configuration bar graph experiment teaching, use the edited configuration bar graph to conduct dynamic tracking teaching experiment on any of the above experiments
29. In response to the specific requirements of the experimental project, students edit the configuration bar graphs to conduct experiments.
(2) Microcomputer interface and microcomputer application
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 Line 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 Device experiment (RS, D, JK, etc.)
4. Integrated counter and register
5. Decoder and data selector, etc.
6. Waveform experiment such as monostable trigger
ZNPLC-01D PLC/microcomputer interface and microcomputer application comprehensive experimental device configuration list