Dry Contact Card - Huawei UPS5000-H-1200 kVA User Manual

UPS5000-H-(1200 kVA-1600 kVA)
User Manual (100 kVA Power Modules)
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 03 (2021-04-22)
Color Status
Blinking at 0.5
Hz
Off
Blinking at 4 Hz
Yellow Steady on
Off
Red Steady on
Off
Copyright © Huawei Technologies Co., Ltd.
4 Component Description
Description
This ECM is the standby ECM and it is
ready.
This ECM is not ready or the software
of this ECM is being upgraded.
The ECM software is being upgraded
or not configured.
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.
36