Huawei FusionModule2000 Product Description

FusionModule2000 Smart Modular Data Center
Product Description
5 Power Supply and Distribution System
Issue 06 (2020-05-21)
Copyright © Huawei Technologies Co., Ltd.
33
5.2.1.4.3 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).
Figure 5-27 Dry contact card
Table 5-5 Ports on the dry contact card
Silk
Screen
Description
Status
Initial Status
BTG
Port for detecting battery
grounding faults

Connected: battery
grounding fault

Disconnected: no
battery grounding
fault
Disconnected
0V
Port for signal ground
GEN
Port for detecting diesel
generator (D.G.) mode

Connected: D.G.
mode

Disconnected:
non-D.G. mode
Disconnected
0V
Port for signal ground
BCB_OL
Port for detecting the BCB
box

Grounded: BCB
box connected

Disconnected:
BCB box not
connected
Grounded
BCB_STA
Port for monitoring the
battery switch

Connected: battery
switch ON

Disconnected:
battery switch
OFF
Disconnected
BCB_DR
V
Controls battery circuit
breaker trip. When the
voltage is +12 V, the circuit
breaker trips.

0 V: battery
switch not tripped

12 V: battery
switch tripped
0 V
BCB_0V
Port for signal ground
EPO_NO
Emergency power-off
(EPO) port
If the normally open
(NO) port is
connected to the
EPO_12V port, EPO
is triggered.
Disconnected
EPO_12V
+12 V

Huawei FusionModule2000 Specifications

General

Brand	Huawei
Model	FusionModule2000
Category	Storage
Language	English