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UPS5000-H-600 kVA-FTN
User Manual (Singapore, 100 kVA Power Modules)
Silk Screen
Type
EPO_NC
DI
EPO_12V
SWITCH
DI
STATUS_OUT
SWITCH
STATUS_0V
Issue 02 (2023-11-07)
Working
Signal
Principle
Description
EPO port
+12V
Port for
monitoring the
output switch
on the power
distribution
cabinet (PDC)
Port for signal
ground
Copyright © Huawei Digital Power Technologies Co., Ltd.
Status Description
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.
● OUT port closed:
The PDC output
switch is OFF.
2 Product Overview
System Action
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.
38
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