Huawei UPS5000-E-180 kVA User Manual page 45

UPS5000-E-180 kVA
User Manual (Integrated UPS, 30 kVA Power
Modules)
● A dry contact card port takes effect only after you set it in the software. You
need to disable unused dry contact signals.
● Set the EPO port to normally open (NO) or normally closed (NC) as required.
● DI ports have built-in power supplies with a maximum voltage and current of
12 V DC/16 mA. During cable connection, ensure that the voltage and current
do not exceed these maximum values.
● Signal cables must be double-insulated twisted cables. If the cable length is
within 25–50 m, the cross-sectional area must be 0.5–1.5 mm
Figure 2-14 Appearance
Table 2-4 Dry contact card port definitions
Silk Screen Type
BTG DI
0V
Issue 05 (2024-01-30)
NO TICE
Working Signal
Principle Description
Port for
detecting
battery
grounding
faults
Port for signal
ground
Copyright © Huawei Digital Power Technologies Co., Ltd.
Status Description
The default value
is Open:
● BTG port closed:
battery
grounding fault
● BTG port open:
no battery
grounding fault
The value can be
changed to
Closed:
● BTG port open:
battery
grounding fault
● BTG port closed:
no battery
grounding fault
2 Product Overview
2
.
System Action
After the setting
takes effect, the
system will
generate a
battery
grounding fault
alarm.
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