Data Concentrator Unit

Main Features
● Uplink channel:  communication  between
concentrator and master
Data transfer communication for GPRS, Ethernet
Direct connection for RS-232 serial port
Direct  connection  for  RS-485  serial  port,  capable  for
cascade
Infrared communication mode
● Downlink  channel:  communication  between
concentrator and smart meter
Communication mode of power line carrier
RS-485communication mode
● Data acquisition
Real-time meter reading
Reading daily frozen energy
Reading historical daily & monthly consumption
Reading event
Reading meter parameter, status, and real-time data
● Operation & control
Remote switch on &off / Prepaid & energy threshold control
Key operation for parameter setting & inquiry
● Events Log
Setting  &  record  abnormal  events: Power-down,  Programing,  Cover  opening,
Terminal cover opening, Reverse power, Phase Fail. The records include data and
time
● Storage capacity
1024 Meters database capacity
2 months capacity for storing daily frozen data in meter
12 months capacity for storing monthly consumption in meter
Temporarily storing real-time reading data
● Terminal maintain
Auto-detect and recovery / Terminal initialization
Remote transmission/ Resuming broken transmission