UPS5000-E-(40 kVA-320 kVA)
User Manual
2 Overview
Issue 10 (2015-09-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
24
Port
Silk Screen Description
Status
STA
Monitors the battery switch
Status:
Connected: battery switch ON
Disconnected: battery switch
OFF
The initial status is Disconnected.
DRV
Controls the trip of the
battery switch in the BCB
box
Voltage:
0 V: battery switch not tripped
12 V: battery switch tripped
The initial port voltage is 0 V.
0 V
Secondary side ground
EPO
NO
EPO port
The initial status is Disconnected.
If the normally open (NO) port is
connected to the EPO_12V port,
EPO is triggered.
12 V
+12 V
NC
EPO port
The initial status is Connected. If
the normally closed (NC) port is
disconnected from the EPO_12V
port, EPO is triggered.
12 V
+12 V
SWIT
CH
STAT
US
OUT
Monitors the UPS output
circuit breaker on the output
power distribution cabinet
(PDC)
Status:
Disconnected: circuit breaker
OFF
Connected: circuit breaker ON
The initial status is Connected.
0 V
Secondary side ground
MT
Monitors the maintenance
circuit breaker on the output
PDC
Status:
Disconnected: circuit breaker
ON
Connected: circuit breaker
OFF
The initial status is Disconnected.
0 V
Secondary side ground
SWIT
CH
STAT
US
BP
Monitors the bypass input
circuit breaker on the input
PDC
Status:
Disconnected: circuit breaker
OFF
Connected: circuit breaker ON
The initial status is Connected.
0 V
Secondary side ground
-
SPD
Monitors the input AC SPD
Status:
Disconnected: SPD disabled
Connected: SPD enabled
The initial status is Connected.
0 V
Secondary side ground
NO is short for normally open, and NC is short for normally closed.