UPS5000-E-(360 kVA-480 kVA)
User Manual (40 kVA Power Modules)
2 Overview
Issue 07 (2020-01-10)
Copyright © Huawei Technologies Co., Ltd.
28
Silk Screen
Description
Status
Initial Status
BCB_OL
Port for detecting the BCB
box
Grounded: BCB
box connected
Disconnected:
BCB box not
connected
Grounded
BCB_STA
Port for monitoring the
battery switch
Connected: battery
switch ON
Disconnected:
battery switch
OFF
Disconnected
BCB_DRV
Controls battery circuit
breaker trip. When the
voltage is +12 V, the circuit
breaker trips.
0 V: battery switch
not tripped
12 V: battery
switch tripped
0 V
BCB_0V
Port for signal ground
EPO_NO
Emergency power-off (EPO)
port
If the normally open
(NO) port is
connected to the
EPO_12V port, EPO
is triggered.
Disconnected
EPO_12V
+12 V
EPO_NC
EPO port
If the normally closed
(NC) port is
disconnected from the
EPO_12V port, EPO
is triggered.
Connected
EPO_12V
+12 V
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
SWITCH
STATUS_MT
Port for monitoring the
maintenance circuit breaker
Disconnected:
circuit breaker ON
Connected: circuit
breaker OFF
Disconnected
SWITCH
STATUS_0V
Port for signal ground
SWITCH
STATUS_BP
Port for monitoring the
bypass input circuit breaker
Connected: circuit
breaker ON
Disconnected:
circuit breaker
OFF
Connected
SWITCH
STATUS_0V
Port for signal ground
SPD
Port for monitoring the input
AC surge protective device
(SPD)
Connected: SPD
enabled
Disconnected:
SPD disabled
Connected
0V
Port for signal ground