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AMR (Automatic Meter - Reading) System

AMR (Automatic Meter - Reading) System
General:
JQAMR-Z automatic meter reading system is a host driven, multi-level network system with strong flexibility and expandability, consisting of a host computer station. The system employs GPRS, telephone and low voltage power line carrier wave to transmit data. The host computer in the meter reading center can make business management and billing management to the data that is sent back, as well as make calculation, storage and analysis. Meanwhile, it can also alarm to the abnormal conditions and monitor the electric meter by real-time to make sure reasonable and reliable power supply and power usage.
System's working methods:
1) For the single and three-phase carrier wave electric meters installed in the
residential area, it can transmit the data to the concentrator by power line carrier
wave
2) For the electric meter with RS485 interface, it can transmit the data to the
concentrator by 485 main line
3) For the multi-functional electric meters with RS485 interface installed in the big
users and the transformer substation, it can transmit the data to the concentrator
by means of 485 main line. For the multi-functional electric meters with built-in GPRS
meter reading modules, it can transmit the data to the meter reading center directly
by mobile communications corporation network
4) The concentrator can transmit the data to the meter reading center by GPRS, GSM
or phone network
Terminal devices and main functions:
1) Concentrator: can collect, store and pretreat the data of the electric meters, and
also send the data to the meter reading center. Meanwhile, it can also return the
control commands sent by the meter reading center to the electric meters to control
the electric meters
2) Infrared meter-reading device: can program to the meter and the concentrator, and
can also read spot data of the electric meter and the concentrator
3) Electric meter:
a) Single / three-phase carrier wave electric meter
b) Single / three-phase multi-tariff carrier wave electric meter
c) Single / three-phase multi-tariff IC card carrier wave electric meter
d) Single / three-phase multi-function electric meter
e) Three-phase split phase energy electric meter
f) Three-phase net electric meter
Main functions of the system software:
1) Supports data transmitting channels, including phone (GSM data transmitting),
GPRS and direct connection
2) Monitors meter's status by real time, freezes meter reading data, reads meter at
zero and reads meter by real time
3) Connects and disconnects operations controlled by remote relay
4) Loads monitor and abnormal energy alarming
5) Sets the automatic meter reading period and the system time collate of the
concentrators
6) Supports the data inquiries, line loss calculation and abnormal line loss
management functions entirely
7) Provides flexible management functions of the report forms such as stat., inquire,
print and make report forms
8) The system software supports the archives' management functions entirely
9) The system software supports many databases such as ACCESS, SQL SERVER
10) Provides the public database interface to calculate the electricity charges, obtain
the power management data or/and connect with the charging system of the bank

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