UPS5000-S-1200 kVA
User Manual
4 User Interface
Issue 04 (2019-06-25)
Copyright © Huawei Technologies Co., Ltd.
121
Dry contact card (MUE05A): provides dry contact signals for the battery grounding
failure detector, D.G., BCB box, and PDCs.
Backfeed protection board (MUE06A): provides backfeed protection signals. This board
can be enabled or disabled.
Monitoring interface card (MUS05A): provides four routes of configurable output dry
contact signals.
The dry contact extended card (MUE07A) uses five input and five output signals
currently.
Item
Description
System
Power Unit
MUE05A
connection
Specifies the MUE05A
connection status. Independent
input signals can be enabled only
when this parameter is set to
Enable
.
In use
In use
Batter ground fault
[BTG]
Enable or disable battery
grounding fault detection.
-
In use
D.G. connection
[GEN]
Enable or disable D.G.
connection detection.
In use
-
BCB connection
[OL]
Enable or disable BCB
connection detection.
-
In use
Battery breaker
[STA]
Enable or disable battery circuit
breaker status detection.
-
In use
PDC output breaker
[OUT]
Enable or disable PDC output
circuit breaker status detection.
In use
-
PDC maintenance
breaker [MT]
Enable or disable PDC
maintenance circuit breaker
status detection.
BP/SYSMT switch
If the BP/SYSMT switch is set to
Enable
, the port has dry contact
signal access. Using the port
depends on the status of the
BP/SYSMT switch.
SPD/SYSOUT
switch
If the SPD/SYSOUT switch is set
to
Enable
, the port has dry
contact signal access. How a user
uses the port depends on the
status of the SYSOUT switch.
MUE06A
connection
Specifies the MUE06A
connection status. If this
parameter is set to
Enable
, the
mains and bypass backfeed
protection is enabled.
MUS05A DO_1
Action, MUS05A
DO_2 Action,
Controls the status of DO ports
on the MUS05A dry contact card.