Dry Contact Card - Huawei UPS5000-H Series User Manual

UPS5000-H-(400 kVA-600 kVA)
User Manual (100 kVA Power Module)
Indicator
ALM
FAULT
Figure 4-5 CAN communication logic

4.3.3 Dry Contact Card

The dry contact card allows the UPS to detect and manage the switch status of
the battery system (including the external battery switch) and implement remote
emergency power off (EPO). The dry contact card is 0.5 U high and hot-
swappable.
Issue 01 (2020-11-30)
Color Status
Yellow Steady on
Off
Red Steady on
Off
Copyright © Huawei Technologies Co., Ltd.
4 Component Description
Description
The ECM has a minor alarm, but it
does not need to be replaced.
The ECM has no minor alarm or the
software of the ECM is being
upgraded.
The ECM has a critical alarm.
The ECM has no critical alarm or the
software of the ECM is being
upgraded.
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