Programmable controller and single-chip development system, integrated experimental device for automatic control principle

ZN-PLC2 Programmable Controller and Single-chip Microcomputer Development System, Comprehensive Experimental Device for Automatic Control Principle
1. Overview
　　PLC Programmable Controller and Single-chip Microcomputer Development System, Comprehensive Experiment for Automatic Control Principle are PLC programmable controller, single-chip experimental development system and automatic control Principle comprehensive experimental equipment. It can achieve multiple functions, resource sharing, and easy management. The system can complete all the software and hardware experiments of 51/96/8088/8086 and other CPU single-chip microcomputers and microcomputers. On the basis of the single-chip microcomputer simulation experiment system, an 8088 sixteen-bit microcomputer principle and interface experiment are added. Integrated design, only need to replace different CPU cards, you can support the experimental development of multiple CPUs. Two operating platforms are provided, which can work independently or on-line with a PC. One machine in hand, there is nothing else to ask for. It is suitable for teaching courses such as "MSC-51 Single Chip Microcomputer Principles and Interfaces", "MSC-96 Single Chip Microcomputer Principles and Interfaces", "Single Chip Microcomputer Interface Technology", and "Sixteen-bit Microcomputer Principles and Interfaces". The single-chip microcomputer simulation experiment system composed of MCS-51/96CPU card, in addition to the experimental functions, also has simulation development functions, which can simulate 8031/32, 87/89/51/52, 89C1051/2051, 80C196KB and other CPUs, and external simulation space Up to 64K. In the experiment instruction book, the purpose and content of each experiment are described in detail, and the wiring diagram, program interface block diagram and program floppy disk are listed, which eliminates the work of teachers and experiment tutors for designing, preparing and debugging experimental circuits and experimental programs. The amount of time is saved in the classroom. Researchers engaged in the development and teaching of single-chip applications use the experimental system according to their actual needs, which can help users to complete the development and experimental tasks accurately and effectively in the shortest time. The PLC part simulates the typical control objects in the actual industrial control process, and it vividly demonstrates 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. The PLC programmable controller, the single-chip development system, and the comprehensive experimental device for automatic control principles have won 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.
　　The automatic control theory experimental system is a small-scale electronic experiment simulation teaching designed to cooperate with the courses of "automatic control theory", "process control", "automatic control system", "chemical automation", "computer control" and other courses in automation majors in colleges and universities. The experimental device is simple and convenient to use, with a wide range of parameter selection, and can flexibly carry out electronic simulation of the control system. The complete set of equipment has reasonable design, powerful functions and simple and convenient operation.

2. System composition
1. PLC programmable controller experiment platform (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 transfer communication cable
7. 51/96/8088/8086 three-in-one single-chip experimental development system (including system motherboard, software, stepper motor experimental module, temperature automatic control experimental module, DC motor experimental module, audio module Etc.)
8. Automatic control principle experimental system: the whole machine structure is reasonable, the unit circuit setting meets the control principle experimental requirements, the parameter changes are flexible, and the set-up is convenient; the imported high-precision operational amplifier 0P07 is selected, which has high gain, input offset voltage and current Smaller than general products, the "zero point" and "integration drift" of the adder and integrator composed of it are smaller; the "reset" button is set on the operation panel, which can easily eliminate the residual charge on the integrator capacitor, thereby improving The accuracy of the machine's repeated calculation is improved; it comes with a double-sided double-range voltmeter, which is convenient for measurement and adjustment;
9. Computer or handheld programmer (user-prepared or purchased)
3. PLC programmable controller experimental bench control box technical indicators
1 , Power
1.1 Power input: working voltage 220V ± 5% (50Hz), the indicator light is on when inputting.
1.2 Power output: secondary protection function with fuse and leakage protection switch. Output AC 220V working voltage with high-precision ammeter and voltmeter indication
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.
4. PLC programmable controller mainframe hanging box function and characteristics
PLC mainframe: input: 24 points, output 16 points (optional)
Model: Mitsubishi FX1N-40MR (Siemens, Omron can also be selected, the price is negotiable)
Output voltage: DC 24V , Voltmeter indication,
programming with application software
Power input: AC 220V, 50Hz
1) Functions 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, bee buzzer
DC power supply 5V1A, 24V2A
PLC input and output port
2) PLC input and output ports of the host have been introduced onto the panel. 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.
6. PLC programmable controller experiment demonstration hanging box
This device is an external demonstration device designed to cooperate with the PLC programmable controller experiment table. 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 stepping motor PLC control (physical)
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 Automatic mail sorting system
15) PLC015 automatic washing machine system
16) PLC016 electroplating system
17) PLC017 basic experiment
18) Mitsubishi PLC host: input: 24 points output 16 points

PLC programmable controller, single-chip microcomputer, automatic control principle comprehensive test bench configuration list