Dry Contact Card - Huawei UPS5000-E Series User Manual

UPS5000-E-(50 kVA-300 kVA)
User Manual (50 kVA Power Modules)
Specifications



2.3.4.3 Dry contact card

Appearance
Figure 2-20 Dry contact card
Table 2-6 Ports on the dry contact card
Silk Screen
BTG
0V
GEN
0V
BCB_OL
BCB_STA
BCB_DRV
BCB_0V
EPO_NO
Issue 11 (2019-12-20)
Hot-swappable
1 U high
Description
Port for detecting battery
grounding faults
Port for signal ground
Port for detecting diesel
generator (D.G.) mode
Port for signal ground
Port for detecting the BCB
box
Port for monitoring the
battery switch
Controls battery circuit
breaker trip. When the
voltage is +12 V, the circuit
breaker trips.
Port for signal ground
Emergency power-off (EPO)
port
Copyright © Huawei Technologies Co., Ltd.
Status

Connected: battery
grounding fault
 Disconnected: no
battery grounding
fault

Connected: D.G.
mode
 Disconnected:
non-D.G. mode

Grounded: BCB
box connected
 Disconnected:
BCB box not
connected

Connected: battery
switch ON
 Disconnected:
battery switch
OFF

0 V: battery switch
not tripped
 12 V: battery
switch tripped
If the normally open
(NO) port is
2 Overview
Initial Status
Disconnected
Disconnected
Grounded
Disconnected
0 V
Disconnected
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