Huawei UPS5000-A-30KTTL - Page 53

Identier Type Working
Principle
Signal
Description
Status
Description
System Action
SWITCH
STATUS_OUT
DI Port for
monitoring
the output
switch on the
power
distribution
cabinet (PDC)
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.
● OUT port
closed: The
PDC output
switch is OFF.
After the setting
takes eect, 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.
SWITCH
STATUS_0V
Port for signal
ground
SWITCH
STATUS_MT
DI Port for
monitoring
the
maintenance
switch on the
PDC
The default value
is Open:
● MT port open:
The PDC
maintenance
switch is ON.
● MT port closed:
The PDC
maintenance
switch is OFF.
The value can be
changed to
Closed:
● MT port closed:
The PDC
maintenance
switch is ON.
● MT port open:
The PDC
maintenance
switch is OFF.
After the setting
takes eect, the
system will
generate a PDC
maintenance
bypass closed
alarm and
transfer to static
bypass mode.
SWITCH
STATUS_0V
Port for signal
ground
UPS5000-A-(30 kVA-120 kVA)
User Manual 2 Product Overview
Issue 17 (2024-02-21) Copyright © Huawei Digital Power Technologies Co., Ltd. 44