Dry Contact Card - Huawei UPS5000-H 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 05 (2021-10-13)
Colo Status
r
Blinking
at 4 Hz
Yello Steady on
w
Off
Red Steady on
Off
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Description
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.
4 Component Description
54