Huawei UPS5000-E-200K-SM User Manual page 50

UPS5000-E-(200 kVA-300 kVA)
User Manual (50 kVA Power Modules)
Silk Screen
BSC
Table 2-5 Indicator description
Indicator
NORMAL
ALM
FAULT
Functions
●
●
●
Issue 17 (2023-07-10)
Description
The BSC port is used in a dual-bus system to synchronize
output frequencies and phases between UPS systems,
ensuring that two buses can switch with each other.
BSC cables are hot-swappable.
NO TE
For a single UPS, the parallel cable is not needed.
Color
Green
Yellow
Red
As a control interface for the entire system, the ECM communicates with each
module and provides a bus for communication between the dry contact card
and the system control card. The ECM ensures equalized output currents
between modules so that load power is equally shared.
Provides module running information for the MDU.
Controls the running of a single UPS5000 and a parallel system, and reports
the UPS5000 status information to other monitoring modules.
Copyright © Huawei Digital Power Technologies Co., Ltd.
Status Description
Steady This ECM is the active ECM.
on
Blinking This ECM is the standby ECM and it is ready.
at 0.5
Hz
Off This ECM is not ready or the software of this
ECM is being upgraded.
Blinking The software of the ECM is being upgraded or
at 4 Hz not configured.
Steady The ECM has a minor alarm, but it does not
on need to be replaced.
Off The ECM has no minor alarm or the software
of the ECM is being upgraded.
Steady The ECM has a critical alarm.
on
Off The ECM has no critical alarm or the software
of the ECM is being upgraded.
2 Product Overview
42