Operation With Third Power Supply Source [Fr] - Siemens FS20 Planning Manual

11.2.5 Operation with third power supply source [FR]

Building Technologies
Fire Safety
The third supply input is used to ensure a reduced degraded mode operation
should the power supply fail (in accordance with EN 54-2, chap. 8.4). The third
supply input can be used in all fire control panels, including the FC2080.
This operation mode ensures emergency power supply for the following functions:
● Buzzer
● Fault LED indicators
Input voltage on the periphery board and on the fire terminal board:
● Nominal DC 9 V
● Range DC 7...30 V
A battery holder for 9 V block batteries is available as an option.
● Option: FCA2010-F1, battery kit (6LR 61 9 V)
● Battery types: 6LR6, 6AM6, 'E-block'
Determining the compact stations
Supply concept
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2015-12-15