Dry Contact Card - Huawei UPS5000-E Series User Manual

UPS5000-E-(350 kVA–800 kVA)
User Manual (50 kVA Power Modules)
Indicator
Functions
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Figure 2-24 Logical connections for CAN communication
Specifications
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2.3.5.3 Dry contact card

Appearance
Figure 2-25 Dry contact card
Issue 15 (2022-01-30)
Color
As a control interface for the entire system, the ECM communicates with each
module and provides a bus for communication between the dry contact card
and the system control 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 a parallel system, 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
1 U high
Copyright © Huawei Technologies Co., Ltd.
Status Description
Off The ECM has no critical alarm or the software
of the ECM is being upgraded.
2 Overview
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