Communication Functions:
The Smart meter provides a RS485 port for remote communications. Parameters can be selected from the set mode.
RS485 communications transfer rates can be selected at 1200bps, 4800bps, 9600bps, or 19200bps, default ls 9600bps.
Panty: None/Even, default is None.
Modbus address: 001255, default is 001
The max quantity of meters on one RS485 bus is 64 units, the longest communication distance is 1.2 Km.
Pulse output function The meter has two pulse output. Both outputs are passive type.
Pulse output 2 is
configurable: constant can be selected: 0.001/0.01/0.1/1 imp/kWh or lmp/kvarh, default is limp/kWh.
Pulse width:60/100/200ms. Pulse output 1is fixed up with total kWh, Constant is 1000imp/kWh
Programming can be done by holding the key "SET" Pressing the "SET" key for at last 3 secs. starts the programming menu. The LCD will show
the prompts.
The user can also program the meter parameters by sending commands via the RS485 port
Wiring diagram ports as labeled in the meter:
1/2 CT In/Out
3/4 Phase/Neutral
5/6 SO1 1000 imp/kWh
7/6 SO2 Configurable
8/9/10 RS485 Communication contact
TX/RX(+) Terminal 10
TX/RX(-) Terminal 9
G485 (_|_) Terminal 6
Meter instantaneous values displayed.