Huawei UPS5000-E-FM User Manual page 47

UPS5000-E-(30 kVA-120 kVA)-FM
User Manual
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
EPO_12V
EPO_NC
EPO_12V
SWITCH
STATUS_OUT
Issue 05 (2023-07-10)
Description
Port for detecting battery
grounding faults
Port for signal ground
Port for detecting diesel
generator (DG) 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
+12V
EPO port
+12V
Port for monitoring the UPS
output circuit breaker
Copyright © Huawei Digital Power Technologies Co., Ltd.
2 Product Overview
Status
● Connected:
battery
grounding fault
● Disconnected:
no battery
grounding fault
● Connected: DG
mode
● Disconnected:
non-DG 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
connected to the
EPO_12V port,
EPO is triggered.
If the normally
closed (NC) port is
disconnected from
the EPO_12V port,
EPO is triggered.
● Connected:
circuit breaker
ON
Initial
Status
Disconne
cted
Disconne
cted
Grounde
d
Disconne
cted
0V
Disconne
cted
Connect
ed
Connect
ed
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