Huawei UPS5000-S-1200 kVA User Manual page 47

UPS5000-S-1200 kVA
User Manual
Silk Screen
BSC
Table 2-5 Indicator description
Indicator
NORMAL
ALM
FAULT
Functions
●
●
●
●
Specifications
●
Issue 10 (2023-05-26)
Color
Green
Yellow
Red
As a control interface for the entire system, the ECM communicates with each
module and provides a bus to communicate with the dry contact 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 reports the UPS5000 status
information to other monitoring modules.
The system provides three types of CAN communication: monitoring CAN
communication, intra-rack parallel CAN communication, and inter-rack
parallel CAN communication.
Hot-swappable
Copyright © Huawei Digital Power Technologies Co., Ltd.
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.
Status Description
Steady on This ECM is the active ECM.
Blinking at 0.5 This ECM is the standby ECM and it
Hz is ready.
Off This ECM is not ready or the CPLD of
this ECM is being upgraded.
Blinking at 4 The DSP of the ECM is being
Hz upgraded or not configured.
Steady on The ECM has a minor alarm, but it
does not need to be replaced.
Off The ECM has no minor alarm or the
DSP of the ECM is being upgraded.
Steady on The ECM has a critical alarm.
Off The ECM has no critical alarm or the
DSP of the ECM is being upgraded.
2 Product Overview
39