Huawei UPS5000-A - Page 52

Identier Type Working
Principle
Signal
Description
Status
Description
System Action
GEN DI Port for
detecting
diesel
generator
(DG)
connection
The default value
is Open:
● GEN port
closed: DG
connected
● GEN port open:
DG not
connected
The value can be
changed to
Closed:
● GEN port open:
DG connected
● GEN port
closed: DG not
connected
The port is used
together with
the generator
power limiting
function. After
the setting takes
eect, the
system will limit
the PFC power
based on the
preset generator
power limit.
0V Port for signal
ground
BCB_OL DI Port for
detecting the
BCB box
● Grounded: BCB
connected
● Disconnected:
BCB not
connected
After the setting
takes eect, the
system will
detect whether
the BCB is
online.
BCB_STA DI Port for
monitoring
the BCB status
● Closed: BCB
ON
● Open: BCB OFF
BCB_0V DO Port for signal
ground
● 0 V: BCB not
tripped
● 12 V: BCB
tripped
Used to send a
BCB tripping
drive signal.
BCB_DRV Port for
controlling
BCB trip.
When the
voltage is +12
V, the BCB
trips.
UPS5000-A-(30 kVA-120 kVA)
User Manual 2 Product Overview
Issue 17 (2024-02-21) Copyright © Huawei Digital Power Technologies Co., Ltd. 43