UPS5000-S-600 kVA
User Manual (Three-phase, Three-wire)
2 Overview
Issue 05 (2019-12-20)
Copyright © Huawei Technologies Co., Ltd.
27
Indicator
Color
Status
Description
Fault indicator
Red
Steady on
A critical alarm is generated for the bypass.
Off
There is no critical alarm for the bypass, or
the CPLD software is being upgraded.
Functions
The bypass module supplies power in the following cases:
If the UPS is set to ECO mode and the bypass voltage is within the specified range, the UPS
works in bypass mode.
If the power module overload times out, the UPS transfers to bypass mode.
Both the active and standby ECMs are abnormal.
The system fails to run properly and transfers to bypass mode.
A manual operation is performed to transfer to bypass mode.
Specifications
Dimensions (H x W x D): 600 mm x 200 mm x 627.5 mm
Weight: ≤ 50 kg
2.3.5 Control Module
2.3.5.1 Overview
In a standard configuration, the control module consists of two ECMs, one dry contact card,
and one monitoring interface card (from left to right). The four cards are hot swappable. One
subrack is reserved above the dry contact card. A backfeed protection card or dry contact
extended card can be inserted into this subrack.
Figure 2-12
Signal panel on the control module
(1) Ground terminal
(2) Parallel port 1
(3) BSC port
1
(4) Ready switch
on ECM 1
(5) Indicators for ECM 1
(6) Parallel port 2
(7) BSC port
2
(8) Ready switch
on ECM 2
(9) Indicators for ECM 2
(10) Dry contact card
(11) Dry
contacts
(12) MDU port