School electrical control cabinet

◆ Productfunction
The control cabinet/energy meter for school dormitories is a fully automatic, multifunctional, and intelligent energy metering and management device that measures, controls, and manages students' electricity consumption. This control cabinet/energy meter is also suitable for use by users in collective dormitories and concentrated residential areas of large enterprises.
The metering module of this control cabinet can work independently, so each metering module can also be separated from the control cabinet and used as a separate energy meter hanging on the power grid, while saving wiring and reducing space. Each metering module is equipped with a 485 interface, which is connected to the 485 bus and then connected to a computer for operation and control of each module.

◆System functions
1. Timed power control: It can be set to supply power and cut off power at three different times every day.
2. Free electricity distribution: You can set a day each month to automatically distribute subsidized free electricity.
3. High power overload control: When the power consumption exceeds the set capacity limit, the system will automatically trip.
4. Malignant load control: The power of malignant loads (such as electric furnaces, electric water heaters, etc.) can be set. When the power of malignant loads exceeds the set value, the system will automatically recognize and cut off power.
5. Overdraft electricity consumption: Users can set the maximum overdraft electricity consumption allowed.
6. Remote control: Users can control the power on and off of the meter module on the computer.
7. Prepaid control: When the user's meter module uses up all the electricity, it will automatically turn off the power.
8. Data query: current purchase quantity, total paid electricity quantity, remaining electricity quantity, distribution of free electricity quantity for this month, total amount of free electricity quantity already distributed, remaining subsidy electricity quantity for this month, processing method for subsidy electricity quantity, current status of meter module, and reason for disconnection.
9. Powerful software support: including electricity sales, monthly power replenishment, production of electricity sales reports, daily electricity consumption reports, monthly reports, annual reports, etc.

◆Main technical parameters
1. User meter module output voltage: single-phase 220V ± 20% VAC
2. Maximum current of user meter module: 40A
3. Pulse constant of user meter module: 3200 imp/kWh
4. User meter module reference frequency: 50Hz
5. User meter module measurement accuracy: 1.0 level
6. Maximum power consumption of user meter module:<0.5W
7. Maximum communication distance: 1500 meters
8. Maximum number of modules that the system can manage: 9999 (additional repeaters are required)
9. Number of modules installed inside the metering and control cabinet: 60-120