Table 5-1 Port definitions for the dry contact extended card
Port
Silk
Screen
Signal Description
Out
put
DO_1
NO
● Indicates relay output signals. The dry contact is
normally open by default. When the preset
status occurs, the relay is closed. Users can set
the dry contacts to normally open or closed
based on actual requirements.
● On the LCD, choose System Info > Settings >
System Settings > Dry Contact Set. Set
MUS07A DO_1, MUS07A DO_2, MUS07A DO_3,
MUS07A DO_4, and MUS07A DO_5 to Disable,
Critical alarm, Minor alarm, Bypass mode,
Battery mode, Low batt. volt., Batt. SOC
below thres., Abnormal mains, Sys maint
breaker enable, Sys outp breaker enable,
Maint. breaker closed, No power supplied,
Mains supplies power, ECO mode, Battery
test, Batt. volt. below thres, Rack output
overload, Battery temp. abnormal, and
Battery EOD. MUS07A DO_1 is set to Low
batt. volt. by default. Others are reserved by
default.
● DOs transmit passive dry contact output
signals. Users need to connect external power
supply to DOs.
COM
DO_2
NO
COM
DO_3
NO
COM
DO_4
NO
COM
DO_5
NO
COM
Inpu
t
DI_1
+
● All DIs are reserved.
● On the LCD, choose System Info > Settings >
System Settings > Dry Contact Set and set
MUS07A DI_1–MUS07A DI_5 to values such as
Door alarm and Water alarm. The default
value is None.
● DI ports detect input dry contact signals which
are passive signals.
-
DI_2
+
-
DI_3
+
-
DI_4
+
-
DI_5
+
-
The following wiring methods are recommended for DO ports.
UPS5000-H-(1200 kVA-1600 kVA)
User Manual (100 kVA Power Modules)
5 Optional Components
Issue 05 (2021-10-13)
Copyright © Huawei Technologies Co., Ltd.
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