Huawei UPS5000-E User Manual page 57

UPS5000-E-(400 kVA-800 kVA)
User Manual (50 kVA Power Modules)
Silk Screen
BCB_STA
BCB_DRV
BCB_0V
EPO_NO
EPO_12V
EPO_NC
EPO_12V
SWITCH
STATUS_OUT
SWITCH
STATUS_0V
SWITCH
STATUS_MT
SWITCH
STATUS_0V
SWITCH
STATUS_BP
SWITCH
STATUS_0V
SPD
Issue 17 (2023-07-10)
Description
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
Port for signal ground
Port for monitoring the
maintenance circuit breaker
Port for signal ground
Port for monitoring the
bypass input circuit breaker
Port for signal ground
Port for monitoring the
input AC surge protective
device (SPD)
Copyright © Huawei Digital Power Technologies Co., Ltd.
2 Product Overview
Status
● 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
● Disconnected:
circuit breaker
OFF
● Disconnected:
circuit breaker
ON
● Connected:
circuit breaker
OFF
● Connected:
circuit breaker
ON
● Disconnected:
circuit breaker
OFF
● Connected: The
input AC SPD is
normal.
Initial
Status
Disconne
cted
0V
Disconne
cted
Connect
ed
Connect
ed
Disconne
cted
Connect
ed
Connect
ed
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