Huawei MTS9300A - C Associations between Alarms and Dry Contacts on the UIM

C Associations Between Alarms and Dry
Contacts on the UIM
Table C-1 Associations between dry contacts and alarms
Dry Contact
Type
Silkscreen Associated Alarm
Dry contact
inputs
DIN4 Dry contact input 4
Dry contact
outputs
The default
setting (closed:
alarm; open:
normal) can be
modied.
NOTE
The DIN/
ALM1-5 is a
multiplexing
port.
DIN1/ALM1 AC failure
Long-time AC failure (disabled by default)
DIN2/ALM2 Busbar overvoltage
Busbar ultra overvoltage
Busbar undervoltage
Busbar ultra undervoltage
Lithium battery discharge
DIN3/ALM3 Single-rectier fault – redundancy
(disabled by default)
Single-rectier fault – non-redundancy
(disabled by default)
Multi-rectier fault
All-rectier communication failure
Rectier fault
Rectier protection
Communication failure
ALM4 AC SPD fault
DC SPD fault
DIN5/ALM5 Load fuse blown
Battery fuse blown
MTS9300A Telecom Power (Claro, Colombia,
MTS9304A-AM10A1)
Installation Guide
C Associations Between Alarms and Dry Contacts on
the UIM
Issue 01 (2021-05-30) Copyright © Huawei Technologies Co., Ltd. 71