Installing Parallel Communications Cables - Huawei iSitePower-M MAP05A1 User Manual

iSitePower-M (MAP05A1, MAB05B1)
User Manual

10.7.4 Installing Parallel Communications Cables

● Before installing parallel cables, set the same output parameters for the master
● The address DIP switches take effect only after the devices are restarted. Set
● When installing parallel power communications cables, install termination
● The length of a single communications cable cannot exceed 3 m.
● A parallel power communications cable is installed in the same way as a
Procedure
Step 1 Power on the iSitePower-M systems and set the same output parameters for the
master and slave products.
Step 2 Power off the iSitePower-M systems and set address DIP switches for the master
and slave products.
Scenario
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Step 3 Install parallel power communications cables.
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and slave products, and then correctly set the address DIP switches for the
master and slave products.
the DIP switches when the devices are powered off (AC and DC inputs are
disconnected, and the devices are shut down by pressing the black start
button).
resistors at the first and last modules. The termination resistors are delivered
with the product.
battery module communications cable.
DIP
Switch
Master 1
Slave1 2
Slave2 3
Copyright © Huawei Digital Power Technologies Co., Ltd.
Pin 1 (M/S) Pin 2 (A)
ON OFF
OFF ON
OFF OFF
10 Electrical Connections
Pin 3 (B) Pin 4 (C)
OFF OFF
OFF OFF
ON OFF
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