Table 2-6 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
0 V Port for signal ground
GEN Port for detecting diesel
generator (DG) mode
● Connected: DG
mode
● Disconnected:
non-DG 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
BCB
● Connected: BCB
ON
● Disconnected:
BCB OFF
Disconnected
BCB_DRV Controls BCB trip. When
the voltage is +12 V, the
circuit breaker trips.
● 0 V: BCB not
tripped
● 12 V: BCB
tripped
0 V
BCB_0V Port for signal ground
EPO_NO Emergency power-o
(EPO) port
If the normally
open (NO) port is
connected to the
EPO_12V port, EPO
is triggered.
Disconnected
EPO_12V +12V
EPO_NC EPO port If the normally
closed (NC) port is
disconnected from
the EPO_12V port,
EPO is triggered.
Connected
EPO_12V +12V
SWITCH
STATUS_
OUT
Port for monitoring the
UPS output circuit
breaker
● Connected:
circuit breaker
ON
● Disconnected:
circuit breaker
OFF
Connected
SWITCH
STATUS_
0V
Port for signal ground
UPS5000-E-(30 kVA–180 kVA)
User Manual (Integrated UPS) 2 Product Overview
Issue 02 (2022-12-30) Copyright © Huawei Digital Power Technologies Co., Ltd. 38
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