ADL300-EY three phase pre-paid meters with intro-control are used for calculating the active energy respectively on the frequency of 50/60 Hz. The built-in magnetic of meter can keep the relay on and off .It also supports remote recharge, load controlling and RS485 communication etc. meet the related technical requirements of electronic power meter in the IEC62053-21/22 standards.

Appearance

Suppose we have two buildings in a certain area:

Building A is a apartment which has four floors and total 60 users. Each floor has a power DB room,the prepaid meters will be installated here to monitor electricity consumption of each users.	Building B is an office building held by power selling or supply company who will charge the end power users for electricity consumption. Usually, the prepaid system will be deployed here.
Four Solutions	Option 1:4G Cloud Prepaid Solution Option 2:WIFI Cloud Prepaid Solution Option 3:Ethernet Local Prepaid Solution Option 4:RFID Card Local Prepaid Solution

Solution 1:ADL100-EY/ADL300-EY+AWT100-4G Gateway+Prepaid Cloud Platform

Solution 2:ADL100-EY/ADL300-EY+AWT100-WIFI Gateway+Prepaid Cloud Platform

Solution 3:ADL100-EY/ADL300-EY+Aport100/AWT100-CE Gateway+Local Server+Prepaid Cloud System

Solution 4:ADL100-EY/ADL300-EY+RFID Prepaid Card+Card Reader+RFID Card Prepaid System

Q：Difference between prepayment meter and measuring meter.

A：Measuring meter focuses on diversified power data measurement, power parameter measurement and analysis, power quality measurement, etc; the prepayment table focuses on billing, alarm, control tripping, etc.

Q：Why is this generation divided into card and internal control meter？

A：The internal control meter supports remote recharge, reduces manpower, maintenance cost and improves user experience.

Q：The reason to use wireless prepayment.

A：Market development needs. Point dispersion,It is difficult to arrange the middle layer equipment or the layout cost is very high.