UPS5000-S-1600 kVA
User Manual
2 Overview
Issue 04 (2020-03-03)
Copyright © Huawei Technologies Co., Ltd.
31
Silk Screen
Control
Module 1
Control
Module 2
Description
Status
Initial Status
BTG
In use
Controls
power unit 1
and power unit
2.
In use
Controls the
power unit
3.
Port for
detecting battery
grounding faults
Connected:
battery grounding
fault
Disconnected: no
battery grounding
fault
Disconnected
0V
Port for signal
ground
GEN
In use
Controls the
entire UPS
system.
N/A
Port for
detecting diesel
generator (D.G.)
mode
Connected: D.G.
mode
Disconnected:
non-D.G. mode
Disconnected
0V
N/A
Port for signal
ground
BCB_OL
In use
Controls
power unit 1
and power unit
2.
In use
Controls the
power unit
3.
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
In use
Controls the
entire UPS
system.
N/A
Emergency
power-off
(EPO) port
If the normally open
(NO) port is
connected to the
EPO_12V port, EPO
is triggered.
Disconnected
EPO_12V
N/A
+12 V
EPO_NC
N/A
EPO port
If the normally closed
(NC) port is
disconnected from the
EPO_12V port, EPO
is triggered.
Connected
EPO_12V
N/A
+12 V
SWITCH
STATUS_OU
T
N/A
Port for
monitoring the
UPS output
circuit breaker
Connected: circuit
breaker ON
Disconnected:
circuit breaker
Connected