UPS5000-S-1600 kVA
User Manual
4 User Interface
Issue 04 (2020-03-03)
Copyright © Huawei Technologies Co., Ltd.
126
Dry Contact Settings
Set only the dry contacts that are needed. Otherwise, the UPS may not run properly.
When a dry contact card is disabled, its dry contact signals are disabled.
After a dry contact card is enabled, its dry contact signals can be displayed on the LCD.
Disable all the dry contacts for a dry contact card that is not connected and all the dry
contacts that are not used to prevent false alarms.
( ) encloses a unit, and [ ] encloses silk screen.
Specify dry contact settings on the following cards:
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.
N/A
In use
D.G. connection
[GEN]
Enable or disable D.G. connection
detection.
In use
N/A
BCB connection [OL]
Enable or disable BCB connection
detection.
N/A
In use
Battery breaker [STA]
Enable or disable battery circuit
breaker status detection.
N/A
In use
PDC output breaker
[OUT]
Enable or disable PDC output circuit
breaker status detection.
In use
N/A
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