Huawei UPS5000-E-300K-SMT - Page 39

UPS5000-E-(50 kVA-300 kVA)
User Manual (50 kVA Power Modules)
2 Overview
Issue 02 (2017-02-25)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
30
Silk
Screen
Description
Status
Initial Status
OFF
BCB_DR
V
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 secondary side
ground