SolaX Power BMS-PARALLEL BOX-II Quick Installation Manual page 2

Connecting Cables to Inverter
VI
Box to Inverter:
BAT+ to BAT+;
BAT- to BAT-;
CAN to CAN
CAN
BAT-
BAT+
To inverter
CAN
BAT- BAT+
Connecting to Battery Modules
VII
Box to the Battery module:
B1+/B2+ to "+" ;
B1- /B2- to "XPLUG";
RS485-1/RS485-2 to "RS485 I".
Battery Module to Battery Module
VIII
Battery module to battery module( Get the cables through the conduit
1. "YPLUG" on the right side of HV11550 to "XPLUG" on the left side of the next battery module.
2. "-" on the right side of HV11550 to "+" on the left side of the next battery module.
3. "RS485 I" on the right side of HV11550 to "RS485 II" on the left side of the next battery module.
4. The rest battery modules are connected in the same way.
5. Insert the series-connected cable at "-" and "YPLUG" on the right side of last battery module to make a complete circuit.
XPLUG
+
GND RS485 I
RS485 I
B1-
B1+
XPLUG +
RS485 I
RS485 I
Battery module of group1
XPLUG +
+
XPLUG
RS485 I
):
-
YPLUG
Rs485
II
-
YPLUG
RS485 II
Last battery module
Communication Cable Connection
IX
For Box:
Insert one end of the CAN communication cable w ithout
gland and tighten the cable cap.
For battery moudels:
Connect the RS485 II communication
system on the right
Note:There is a protection cover for the RS485 connector.
Unscrew the cover and plug one end of the RS485 communication
cable to the RS485 connector. Tighten the plastic screw nut which is set on the cable with a rotation wrench.
Group1
Group2
To inverter
RS485 I
RS485 I CAN
Ground Connection
X
The terminal point for GND connection is as shown below(torque:1.5Nm):
NOTE!
GND connection is mandatory!
Commissioning
XI
If all the battery modules are installed, follow these steps to put it in
operation
1) Configure the DIP to the corresponding number according to the
number of battery module(s) that has (have) been installed
2) Remove the cover board of the
box
3) Move the circuit breaker switch to the
ON position
4) Press the POWER button to turn on the box
5) Re-install the cover board to the
box
6) Turn on the inverter AC switch
4
3
cable nut directly to the CAN port of the Inverter. Assemble the cable
side to RS485 I
of the subsequent battery module on the left side
6
Configuration activated by inverter::
0- Matching a single battery group(group 1 or group2)
1- Matching both battery groups(group 1 and group2).
NOTE!
If DIP switch is 1, the number of batteries in each
group must be the same.
614.00506.02
.