Huawei UPS5000-H Series User Manual page 40

UPS5000-H-(400 kVA-600 kVA)
User Manual (100 kVA Power Module)
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 01 (2020-11-30)
Signal Description
Port for monitoring the BCB
Port for controlling BCB trip.
When the voltage is +12 V,
the BCB trips.
Port for signal ground
If the NO port is connected
to the EPO_12V port, EPO is
triggered.
+12 V
If the NC port is
disconnected from the
EPO_12V port, EPO is
triggered.
+12 V
Port for monitoring the UPS
output circuit breaker
Port for signal ground
Port for monitoring the
maintenance switch
Port for signal ground
Port for monitoring the
bypass input circuit breaker
Port for signal ground
Port for monitoring the
input AC SPD
Copyright © Huawei Technologies Co., Ltd.
4 Component Description
Status
Description
● Closed: The BCB
is ON.
● Open: The BCB
is OFF.
● 0 V: BCB not
tripped
● 12 V: BCB
tripped
Closing the EPO
port triggers EPO.
Opening the EPO
port triggers EPO.
● Closed: The UPS
output circuit
breaker is ON.
● Open: The UPS
output circuit
breaker is OFF.
● Open: The
maintenance
switch is ON.
● Closed: The
maintenance
switch is OFF.
● Closed: The
bypass input
circuit breaker
is ON.
● Open: The
bypass input
circuit breaker
is OFF.
● Closed: The
input AC SPD is
normal.
Initial
Status
Open
0 V
Open
Closed
Closed
Open
Closed
Closed
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