Huawei UPS5000-E-BF Series User Manual page 38

UPS5000-E-(25 kVA-75 kVA)-BF
User Manual
Functions
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Figure 2-17 Logical connections for CAN communication
Specifications
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2.3.6.3 Dry contact card
Appearance
Figure 2-18 Dry contact card
Issue 07 (2019-12-13)
As a control interface for the entire system, the ECM communicates with each module
and provides a bus to communicate with the dry contact 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
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2 Overview
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