Huawei iSitePower-M MAP05A1 - Installing Parallel Communications Cables

10.7.4 Installing Parallel Communications Cables
NO TICE
● Before installing parallel cables, set the same output parameters for the master
and slave products, and then correctly set the address DIP switches for the
master and slave products.
● The address DIP switches take
eect only after the devices are restarted. Set
the DIP switches when the devices are powered o (AC and DC inputs are
disconnected, and the devices are shut down by pressing the black start
button).
● When installing parallel power communications cables, install termination
resistors at the
rst and last modules. The termination resistors are delivered
with the product.
● The length of a single communications cable cannot exceed 3 m.
● A parallel power communications cable is installed in the same way as a
battery module communications cable.
Procedure
Step 1 Power on the iSitePower-M systems and set the same output parameters for the
master and slave products.
Step 2 Power
o the iSitePower-M systems and set address DIP switches for the master
and slave products.
Scenario
DIP
Switch
Pin 1 (M/S) Pin 2 (A) Pin 3 (B) Pin 4 (C)
Par
all
el
pr
od
uct
s
Master 1 ON OFF OFF OFF
Slave1 2 OFF ON OFF OFF
Slave2 3 OFF OFF ON OFF
Step 3 Install parallel power communications cables.
iSitePower-M (MAP05A1, MAB05B1)
User Manual 10 Electrical Connections
Issue 06 (2023-04-24) Copyright © Huawei Digital Power Technologies Co., Ltd. 153