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WECO 5K3 LV/HV
33
2.4.1
Low Voltage Single Stack Power and Data Connections (8-Modules Maximum)
2.4.1.1
Proceed with the physical installation of the desired quantity and configuration of the Battery Modules,
following the installation sequences and guidelines as described in Section 1 of this manual.
2.4.1.2
Connect the power cables as indicated below, making sure that the batteries are OFF
(check the button
LED on the bottom) and always measure the terminals with a multimeter to check for
ZERO VOLTS.
2.4.1.3
As per UL regulation, a circuit Breaker is compulsory to separate the battery circuit from the inverter.
Information:
When multiple Battery Modules are connected together, it is possible to choose between
‘’capacity’’ chain series or parallel to increase capacity and peak. In case of parallel
, the parallel battery and
inverter can only communicate through CAN interface, and the communication between the batteries will be
through RS485.
Attention:
Be sure to follow the above method of “daisy chaining” the RS485 connections, starting at Port
-B
on the upper Battery Module, then into Port-A on the next module and out of Port-B, then into Port-B on the next
module, and so on.
``
Caution
:
B+
interface is always positive,
B-
interface is always negative; GND is for the parallel battery grounding port.
Caution
:
PRE-CHARGE
The inverter must be connected to the battery and any breaker/fuse installed
between the battery and Inverter must be closed
before turning on the battery
or the pre-charge function
will not have effect
Missing to follow this procedure might damage the system
CAN-BMS to Inverter
OUTPUT Positive from the UPPER module
On the top module, connect RS485 series to Port-B. On
the next module, go in on Port-A and out on Port-B.
Continue to “Daisy Chain” in this way until the bottom
module.
Power Button with LED Indicator
RS232 Monitoring
Port
BUS BAR for Stack Connections
DIP Switch
Address
OUTPUT Negative from the LOWER module
Circuit Breaker (Non included)
Содержание UNIVERSAL 5K3HV
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