Huawei UPS5000-E-200K-SM User Manual page 53

UPS5000-E-(200 kVA-300 kVA)
User Manual (50 kVA Power Modules)
Silk Screen Type
BCB_STA DI
BCB_DRV DO
BCB_0V
EPO_NO DI
EPO_12V
EPO_NC DI
EPO_12V
SWITCH DI
STATUS_OUT
Issue 17 (2023-07-10)
Working Signal
Principle Description
Port for
monitoring the
BCB
Drives BCB
tripping. When
the voltage is
+12 V, the
circuit breaker
trips.
Port for signal
ground
Emergency
power-off
(EPO) port
+12V
EPO port
+12V
Port for
monitoring the
output switch
on the power
distribution
cabinet (PDC)
Copyright © Huawei Digital Power Technologies Co., Ltd.
Status Description
● Closed: BCB On
● Open: BCB Off
● 0 V: not drive
BCB tripping
● 12 V: drive BCB
tripping
If the normally
open (NO) signal
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.
Before delivery, a
short-circuit cable
has been installed
on the NC and 12V
ports.
The default value is
Closed:
● OUT port closed:
The PDC output
switch is ON.
● OUT port open:
The PDC output
switch is OFF.
The value can be
changed to Open:
● OUT port open:
The PDC output
switch is ON.
2 Product Overview
System Action
Used to send a
BCB tripping
drive signal.
After the setting
takes effect, the
system will
generate an EPO
alarm and stop
supplying power.
After the setting
takes effect, the
system will
generate an EPO
alarm and stop
supplying power.
After the setting
takes effect, the
system will
generate a PDC
output circuit
breaker open
alarm and will
also shut down
the inverter on
the rack in the
parallel
connection
scenario.
45