Huawei UPS5000-A-500 kVA User Manual page 31

UPS5000-A-500 kVA
User Manual (e-shelter)
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
0V
Issue 02 (2020-01-10)
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
+12 V
EPO port
+12 V
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)
Port for signal ground
Copyright © Huawei Technologies Co., Ltd.
Status
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
 Disconnected:
circuit breaker
OFF
 Disconnected:
circuit breaker ON
 Connected: circuit
breaker OFF
 Connected: circuit
breaker ON
 Disconnected:
circuit breaker
OFF
 Connected: SPD
enabled

Disconnected:
SPD disabled
2 Overview
Initial Status
Disconnected
0 V
Disconnected
Connected
Connected
Disconnected
Connected
Connected
23