Wattsonic AIO ESS | USER MANUAL
48
Communication Connection
Communication wiring illustration
All communication ports are hidden behind
the communication terminal at the bottom
of inverter which including Meter port, CAN
port, BMS port, EMS port, RLYOUT port,
DRED port.
Dismantle the cover of the communication
ports with a screwdriver, and put all
communication cables through the holes and
follow the illustration below to make the
connection of each communication cables,
and when all cables have connected, put
back the cover and screw up the anti-water
cap of the holes.
Communication between inverter and
meter
The communication between meter and
inverter is an RJ45 interface cable.A 10M
length meter communication cable is already
attached to the inverter when you received it
and this cable could be extended up to 100M.
Insert the RJ45 heads into the meter RS485
port.
Type
Definition
METER
Communicate with Meter
BMS
Communicate with BMS
DRED
For Australia use/One key to shut off
PARCAN
Parallel CAN communication bus interface
EMS
EMS power dispatching interface
RLYOUT
Dry contact output, a group of normally open
contact passive dry contact
Inverter communication interface and
definition.
PARCAN
EMS
RLYOUT
METER
RS485
Cables
BMS COM Cable
Screw cap
The insulator
Screw
Com sheet cover
Single hole seal ring
2
4
6
1
3
5
