Programmable Controller Comprehensive Training Equipment 5550SA49 Educational Equipment Electrical Workbench

With the continuous development of industrial automation networks, network technology has become more and more popular in industry. Based on the bus technology PLC network control solution, that is, one PLC undertakes its certain control tasks, and each PLC is interconnected through bus communication to achieve distributed control. Users can choose PLCs from different manufacturers and the bus communication modes they support according to their needs to form a PLC network. It will lay a good foundation for further learning of industrial Ethernet technology. This training device (network version, field bus) is a training device developed around this network technology.
The device uses a sheet metal training platform, and the training platform frame consists of three parts: a training screen (including a power control screen), a training table, and a training locker. The training screen includes a power indicator and control unit, a time manager (including power protection) unit, an indicator light and button unit, a selection switch and a buzzer and relay unit, an instrument unit, and a DC power supply unit. A two-pin socket is installed on the left and right sides of the power control screen, and the external power supply input terminal is installed on the left side of the power control screen; the electrical module in the training screen is designed as a quick-change module, which can easily form a universal training module fixed structure. Multiple training modules can be placed at one time. The module adopts a standardized structure and has strong interchangeability. The training module can be replaced according to the needs of the training content; the storage cabinet is used to store tools, materials and modules.
Technical parameters
1. AC power supply: three-phase five-wire AC 380 V±10% 50Hz;
2. Temperature: -10～50℃; Ambient humidity: ≤90% without condensation;
3. Dimensions: length×width×height=about 1700mm×720mm×1610mm;
4. Power consumption of the whole machine: ≤1.0 kVA;
5. Safety protection measures: The desktop of the training table adopts high-insulation, high-strength, high-temperature resistant high-density board. It has grounding protection and leakage protection functions, and its safety meets the relevant national standards. It adopts high-insulation safety sockets and high-strength safety experimental wires with insulating sheaths
Functional features
Overall structure of this equipment:
This equipment adopts sheet metal rail training table, and the module adopts standardized structure and tool material placement drawers and module storage boxes, which are highly interchangeable.
This training stand consists of three parts: training screen (including power control screen), training table, and training locker. The training bench is made of sheet metal material treated with phosphoric acid derusting and spraying as the main frame material of the equipment; the training bench is designed with gray contrasting colors, beautiful and elegant appearance, and the power box is made of 1.2mm steel plate. The power control panel is installed at the bottom of the training screen. The panel layout of the power control panel is from left to right, including power indication and power control unit, time manager (including power protection) unit, indicator light and button unit, selection switch and buzzer and relay unit, instrument unit, DC power supply unit. A two-plug socket is installed at the reasonable position of the power control panel, and the external power supply input terminal is installed on the left side of the power control panel; the upper part of the training screen adopts a quick-change structure design, which can place multiple functional training modules at a time, and the training modules can be replaced according to the needs of the training content. The desktop of the training table is specially made of 25mm hemp gray high-density laminate edge sealing, which effectively improves the insulation level. The training locker adopts a standard structure and drawer type, which is used to store tools and training materials; the double sliding door design on the lower side can store all functional training modules at the same time. The position of the training locker can be flexibly adjusted according to needs. There are 4 guide wheels at the bottom to facilitate the movement of the training platform. The overall dimensions of the locker are approximately: 1700mm×720mm×1610mm.
The I/O terminals of the PLC module of this equipment, the wiring terminals of the inverter and other accessory components are connected to the safety socket, and the wires with safety plugs are used for circuit connection, which not only ensures the training, formation and consolidation of students’ basic skills, but also ensures the fast, safe and reliable circuit connection.
The functional characteristics of each module of this equipment:
Ø AC power control unit: The three-phase four-wire 380V AC power supply supplies power to the device after passing through the air switch. The device is equipped with power supply and power-on indication, equipped with illuminated fuse protection, start-stop switch control, leakage alarm indication and alarm reset, and emergency stop switch. Provide one set of three-phase four-wire 380V and single-phase 220V power supplies (safety sockets), provide 2 sets of three-plug AC200V sockets, the output is controlled by the start-stop switch, and is equipped with fuse protection.
Ø Timer and alarm recorder: The timer and alarm recorder is usually used as a clock, with functions such as setting time, timing alarm, and power off. It can also automatically record the number of overcurrent alarms caused by wiring or operation errors.

Ø DC power supply, DC voltage/current meter, logic level output and indication, etc.: DC voltage: 0~±10V adjustable output; DC current: 4~20mA adjustable output; DC digital voltmeter/current meter: voltmeter range 0~30V, accuracy 0.5 level, current meter range 0~30mA, accuracy 0.5 level; at the same time, it is equipped with logic level output (inching, yellow, green and red three-color switch), logic level indication (yellow, green and red three-color indication), DC 24V relay, DC voltage output: 24V/6A, 12V/2A each (with fuse protection).

Ø PLC module: The PLC host adopts Mitsubishi FX3U-48MR; 24 input points and 24 output points. It includes 24 button switches, one boat switch, and one fuse.
Ø Inverter module: The inverter uses Mitsubishi E740/0.75KW inverter. It includes a potentiometer, 7 button switches, a boat switch, and a fuse.

Ø Three-phase asynchronous motor module: The motor used is a three-phase squirrel cage asynchronous motor, which is used for inverter speed regulation and has a fixed base.

Training project

The basic training of this equipment includes the basic operation and programming of PLC and inverter as well as communication training between them. The practical training projects are as follows:
1. Automatic feeding and loading system HC110
2. Automatic water tower water level control HC111
3. Traffic light automatic and manual control HC112
4. Fully automatic washing machine HC113
5. Motor control HC114
6. Mixing of multiple liquids HC115
7. Stepper motor HC116
8. Automatic molding machine HC117
9. Automatic rolling mill HC118
10. Mail sorting machine HC119
11. Light of the iron tower HC120
12. Four-story elevator control HC121
13. Electroplating production line control HC122
14. Other modules (optional)
15. Frequency converter function parameter setting and operation;
16. External terminal inching control;
17. Frequency converter controls the forward and reverse rotation of the motor;
18. Frequency conversion speed regulation with multi-speed selection;
19. Stepless speed regulation of frequency converter;
20. Frequency conversion speed regulation based on external analog quantity (voltage/current) control method;
21. Instantaneous power failure start control;
22. PLC, frequency conversion speed control;
23. PLC controls the forward and reverse rotation of the motor at the external terminal of the frequency converter;
24. PLC controls the motor running time control at the external terminal of the frequency converter;
25. Multi-speed based on PLC digital quantity control method;