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How should a prepaid energy meter be installed

Views: 信息来源:山东科大中天电子有限公司 发布时间:2017/5/16 Source of information: Shandong University of Science and Technology Zhongtian Electronics Co., Ltd. Release time: 2017/5/16
Pre-paid energy meters are divided into contact pre-paid energy meters and non-contact pre-paid energy meters according to communication methods. Write card type pre-paid energy meter: write the pre-purchased power or amount into a dedicated electronic card (memory), give it to the user to hold the electronic card to the corresponding meter for communication, and the pre-purchased value is automatically sent to the meter. When installing a pre-paid energy meter, you should: open the end button box cover of the energy meter, and then connect the end button wires according to the wiring diagram to turn on the power; the user inserts the pre-purchased power IC card into the meter in the direction of the arrow on the card. Display the purchased power this time, then stably display F2, and then the display shows the sum of the original remaining power plus the new purchased power as the current remaining power. At this time, you can remove the IC card and the display goes off. When the user uses power, the pulse indicator will follow Blinking; in the normal use of the pre-paid energy meter , it automatically calculates the decrement of the purchased electricity. When the remaining power in the energy meter is less than 20 degrees, the display shows the current remaining power to remind the user to purchase electricity. When the remaining power is equal to 10 degrees, the power failure reminds the user to purchase electricity once. At this time, the user needs to insert the IC card into the energy meter to restore the power supply. When the remaining power is zero, stop power supply; one meter and one card, after each new power purchase, the user can only insert his own meter to enter the effective power once; the pre-paid energy meter display is usually off, if the user needs to check the remaining power, You can insert the IC card into the meter, and it will display F1 purchase power display zero, F2 remaining power, and the card pull-out display goes off; each time the user inserts the IC card into the prepaid meter, the meter will write all the user's power consumption on the IC card The next time the user purchases electricity, the electricity sales management system reads the IC card data summary and checks whether the user has legally used electricity. The electricity inspector can also use the inspection card to check the user's electricity consumption; the power supply management department sets the user's maximum electricity consumption load according to the actual situation. When the actual power load exceeds the set value, the power supply is stopped and the meter display shows "E2" to remind the user to reduce the power load. The user needs to insert the IC card into the meter to resume power supply.
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Related tags: prepaid energy meter

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