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User Manual 3000SP
Rev. 1.1 16/03/2021
Identification: MD-AL-GI-00
Rev. 1.1 of 16/03/2021 - Application: GID
b.
Make sure that the DIP switches are set as shown in the figure.
c.
Connect the ground cable to the battery through the threaded hole.
NOTE
: To connect the WECO batteries, use the blue or grey communication cable contained in the battery
kit.
Figure 16 - Connecting the communication cable to the WeCo battery
4.3.2.
Connecting multiple batteries in parallel
If multiple batteries are present:
a.
Check that the batteries have the same voltage level by switching them on and disconnecting them one at
a time, measuring the + and - terminals with the tester. Make sure that the difference between the
voltages of all the batteries is less than 2 Volts.
b.
Set the DIP switches correctly according to the number of batteries connected, as shown in the figure
(warning: only make changes when the battery is switched off).
c.
Connect the communication cable inserted in the CAN port of the inverter to the CAN-BUS port of one of
the batteries, this will now become the MASTER battery.
d.
The MASTER must be connected to the communication cable inside the battery box starting from the
RS485-B
port and arriving at the
RS485-A
communication port of the Slave 1 battery.
(Attention: do not
connect the RS485-A port to the Master battery).
