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There are three kinds of communication: RS-232, CAN BUS and Ethernet. Please use
matching communication cables and make sure the cables are connected firmly during
data transmits
· RS-232 Connection:
The serial RS-232 port is a standard 9-pin (DB9) male connector. Refer to 9
th
port on
the controller in the figure 2-1.
· CAN BUS Connection:
The Can BUS port is a standard MC1.5-3.81-4L connector. Refer to 12
th
port on the
controller in the figure 2-1.
· Ethernet Connection:
The Ethernet port is a standard RJ-45 connector. Refer to 8
th
port on the controller in
the figure 2-1.
Step 4: Power Connection
WARNING: Risk of electric shock! Use fuses or breakers in solar and
battery circuits is recommended, and make them keep OFF state before
connection.
WARNING: Risk of electric shock! Exercise caution when handling
solar wiring. The solar module(s) high voltage output can cause severe
shock or injury. Pay more attention for it.
WARNING: Risk of explosion or fire! Never short circuit battery
positive (+) and negative (-) or cables.
· Battery Connection:
Connecting a fuse in series in the battery circuit, and the battery circuit fuse must be
1.25 to 2 times of the rated current. Make it keep OFF state before connection.
Connect battery positive (+) and negative (-) to battery terminals on the controller in
the figure 2-1. Please pay much attention to ‘+’ and ‘-’
· Solar Module(s) Connection:
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