DDSU meter connections
2
.
Connect the Meter in “direct connect” mode, specifically:
✓
Connect PIN 2 of the Meter to the neutral cable (N);
✓
Connect PIN 3 respectively to the Exchange meter direction phase;
✓
Connect PIN 1 to the photovoltaic system and loads direction phase.
1
. Connect Meter and inverter via the RS485 serial port.
On the Meter side, this port is identified by
PINs 24 and 25.
On the inverter side, use the connection port identified as
“COM” by connecting
PINs 6 and 7
.
1. Press the button to check that the
Meter address is set to
001
.
In addition to what is described above, the
display shows the values of:
✓
Current;
✓
Voltage;
✓
Power factor;
✓
Power.
NOTE: For
distances
between the meter and hybrid inverter of
more than 100 metres
, it is recommended to connect two 120 OhM resistors
along the 485 daisy chain: the first to the inverter (between PINs 6 and 7 of the inverter COM), the second directly to the meter (PINs 24 and 25).
10.2.1 DDSU METER SETTING ON EXCHANGE AND INVERTER
2. To configure the Meter reading on the inverter,
access the inverter display (as shown in the figure):
1. First button on the left of the inverter;
2. Advanced settings;
3.
Enter password “0715”;
4. Set PCC Meter;
5. Enable;
6. Ok.
Address
Current
Power
Voltage
Power Factor
Meter on
Exchange
24 25
16
