Alarm Output Allocation For Ifc - Siemens SWT 3000 Equipment Manual

Example Alarm Output Allocation
Figure 3-54 shows a setting example for a IFC alarm allocation.
[ScIFCalarm-23022015, 1, en_US]
Figure 3-54
ALA1 relay out indicates if one of 3 alarms (RXALR, NUALR, and GENALR) occurred.
ALA2 indicates an IFC-1 module alarm and ALA3 indicates an IFC-2 module alarm.
Auto-reset Delay Setting
Selection
Auto-reset Delay
If a hardware alarm occurs, the SWT 3000 device resets automatically and tries to recover the system back to
the normal operation. In this case, it is not possible to indicate which alarms are output to the ALR relay
output.
It is recommended to set Auto-reset Delay to non-zero (for example, 60 seconds) if an IFC or another board
alarm is allocated.

Alarm Output Allocation for IFC

3.5.14.2
The protection scheme requires an alarm signaling relay contact which indicates the healthiness of the
command path. That means any failure at any point starting from the near- end command module to the far-
end command module should operate that unique relay contact. The alarm can be signaling to:
Smart Communication, SWT 3000 Teleprotection, Equipment Manual
C53000-G6040-C605-1, Edition 03.2020
Example Settings for the IFC Alarm Output Allocation
Settings
0 to 60 sec in steps of 1 sec
Installation and Commissioning
3.5 Device Configuration
Remarks
Delay system reset to the setting
value if a hardware alarm occurs.
(Default is 0 sec).
0 s: The system is reset immedi-
ately if a hardware alarm occurs.
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