Control Port - Huawei UPS5000-A User Manual

UPS5000-A-(60 kVA-120 kVA)-H
User Manual
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2.3.3 Control Port

The UPS5000-A provides a communications slot, a fast Ethernet (FE) port, an RS485 port,
parallel ports, a BSC port, basic dry contacts, and other control signal ports.
Parallel Port and BSC Port
To connect UPSs in parallel, use a parallel cable to connect the parallel ports on the ECMs on
the two UPSs. A hot swappable BSC is used in a dual-bus system to process the
communication information of two UPS systems.
parallel port and BSC port.
Table 2-4 Functions of the parallel port and BSC port
Issue 05 (2020-01-10)
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Silk Screen Description
PARALLEL The PARALLEL port transmits parallel signals. To connect multiple UPSs
in parallel, use parallel cables to connect the parallel ports on the UPSs. N
UPSs require N parallel cables so that two parallel cables are connected to
Copyright © Huawei Technologies Co., Ltd.
Button Function
Operation
Hold down Restores the user
the Up and name and
password.
Down buttons
at the same
time for 5s.
Control > Clear historical
alarms.
Clear Hist.
Alarms
Control > Clear operation
logs.
Clear
Operation
Logs
Settings > Set self-load
mode.
Advanced
Parameters
> Work
mode > Self-
load mode
N/A Reserved
N/A Reserved
Table 2-4
Action
MDU is powered on
again.
After restoring the
preset user name and
password, the MDU
restarts
automatically,
without affecting
power supply.
Clear historical
alarms. The MDU
needs to
automatically
restart.
Clear operation logs.
The MDU needs to
automatically
restart.
After the inverter is
started, the UPS
enters self-load
mode. The MDU
does not need to
restart.
N/A
N/A
describes the functions of the
2 Overview
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