process control didactic equipment

The DLPCS-WDMK module panel of the control system is ready to install components. In combination with other modular control components, it enables the temperature control system to have different characteristics for construction and research.

The trainer provides a comprehensive experimental introduction to the basic principles of control engineering, using temperature control examples. A circulating pump provides water in a closed circuit. The flow of water can be adjusted by a manual valve. The circuit also includes a heater, a heat exchanger fan, and three integrated thermocouple temperature measurement. Dead time can indicate the use of different lengths of process delay. Use thyristor power controller actuator. The controller used is the most advanced digital industrial controller in a country. It can be used as a continuous or a switching device, and the heater can be activated by actuators and/or fans. The control variable X and the manipulated variable y are directly drawn on the integrated dual-channel line recorder. In addition, the variable can be tapped as an analog signal in the laboratory jack of the switch cabinet. This enables external recording equipment such as an oscilloscope or flat-panel plotter.

This equipment takes flow control as an example to give a comprehensive experimental introduction to the basic principles of control engineering. All components are clearly placed on the vertical front panel. The large-format process diagram is helpful for understanding. The water pump transports the water in the storage tank to the pipe section. The flow rate is measured by the paddle wheel sensor. The transparent float flowmeter enables the control process to be clearly observed. The controller used is the most advanced digital industrial controller. The actuator in the control loop is an electric control valve. The ball valve in the pipeline section allows defined disturbance variables to be generated. The control variable x and the manipulated variable y can be used as analog signals for laboratory jacks. This allows external recording equipment such as plotters or oscilloscopes to be connected.

The DLLY-HYGS462 constant pressure water supply training system is composed of six-story residential fire protection system and domestic water supply system. The fire protection and water supply pipelines are independent, which integrates safety and water supply. The system includes four pump motors: two of them provide normal daily water supply during the day, one is a dormant pump, and the other is a fire pump to provide fire water. The device also uses PLC, frequency converter, pressure transmitter, pressure relay instrument, one-way control valve, reservoir, water supply buffer device, which can complete the floor constant pressure water supply training in multiple modes, and is used for teaching and research. Pressure water supply technology provides an open operating platform.

The DL-YYJC2 temperature and pressure detection training device is a control object designed for simulating process control, and is a typical first-order control system. Because the system is simple, operability, and there is no potential control hazard, it has become the most typical training equipment for learning engineering control. The object adopts modular design technology, which is easy to maintain and modify The main accessories adopt industrial-grade process control components to ensure the quality and reliability of the system Open hardware control platform, easy to disassemble and debug  Complete basic skills, professional skills and job skills training through project content, project analysis, project implementation, project summary and ability assessment. The training device consists of a liquid temperature device and a pressure control device. The electrical aspect is composed of PLC, heater, thermal resistance, frequency converter, temperature display instrument, etc.  And provide application guidance and application engineering examples.

Boiler heating program control protection system 1. The boiler heating liner is equipped with a water level and liquid level protection device, and the control system can only control the heating after the water level reaches the specified height. 2. The power control switch of the electric heating tube adopts a key switch, which is easy to manage. Power protection measures 1. There is a current leakage protector. 2. The two-phase power supply has a fuse to prevent disconnection. Power start-stop control mode; Use the start-stop button to control the contactor to control the start and stop of the power supply. Leakage protection device and safety and safety commitment; Reliable protection functions of various power supplies and various instruments