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What are the energy-saving measures for the central air-conditioning system?
Automatic control technology to control energy saving: in intelligent buildings, building equipment automatic control system is usually used to monitor the status of the new fan, return fan, variable air volume fan, fan coil and other devices at the end of the central air conditioning system and use "fine" control to achieve the purpose of energy saving.
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Analysis of Energy Saving Control Characteristics of Central Air Conditioning System
The energy consumption of air conditioning system accounts for more than half of the overall energy consumption of the building, and the energy saving of the air conditioning system is very important for the carbon neutrality of the building.
Central air conditioning energy saving control system
Through the functions of intelligent temperature control, partition control, time switch machine and energy consumption monitoring, the system can realize the effective control and management of air conditioning energy efficiency, provide a good indoor comfortable environment and save energy expenses.
What is the frequency converter in PLC
In the PLC (programmable logic controller) system, the frequency converter is a very important equipment, which is used to change the speed and torque of the AC motor, so as to realize the precise control of the motor speed. The frequency converter changes the speed of the motor by adjusting the frequency of the power supply, which makes the PLC system more flexible to control the operation of the motor.
What is the PLC control cabinet manufacturing standard?
PLC control cabinet with load, short circuit fault, phase failure maintenance and other maintenance functions. It has a compact structure, stable work, perfect function. PLC control cabinet can be composed according to the specific control gauge size, which can not only complete the single cabinet automatic control system, but also complete the multi-cabinet automatic control system of distribution center according to power line communication or industrial production computer interface Internet.
What is the structure of the PLC control cabinet?
The total size of the PLC control cabinet is very large, but the structure is very compact and fully functional. If the general control box only has a separate actual operation, the PLC control cabinet can not only complete the operation of a single cabinet, but also complete the other operation of several cabinets, which can be extremely integrated into several cabinets.
Lc control cabinet wiring specification control wiring and communication wiring
The plc control cabinet wiring specification must be observed when the control cabinet is designed into production. Before that, we explained three types of control cabinet wiring: power wiring, control wiring and communication wiring. Because power wiring is rarely contacted in the production process of PLC control cabinet, today we will explain the specifications of control wiring and communication wiring in the wiring specification of PLC control cabinet, as well as some matters needing attention in the wiring process. To ensure the safety and stability of the production control cabinet.
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Basic principles of PLC control design
In order to better grasp the use and design of PLC, it is generally necessary to have certain basic knowledge, such as electrotechnics (including electrical foundation, electrical machinery, electrical control), electronics (including digital circuits, analog circuits) and computer foundation.