Appendix B - Power Supply
Installation Handbook, AutroSafe Interactive Fire Detection System, Release 4, 116-P-ASAFE-INSTALL/DGB Rev. I, 2014-04-01,
Autronica Fire and Security AS
Page 84
15.11 Fault Relay Watchdog J26
The fault relay on the BSF-400 board has its own watchdog. If the
CPU stops for any reason the watchdog will turn over the fault relay if
it is not fed within 1 second.
If for any reason the BSF-400 restarts, it takes 5 seconds before the
fault relay is in the correct position:
J26.4 (normally open contact): closed contact when the unit is not
supplied with power or there is a fault on the unit
J26.5 (normally closed contact): closed when no faults exist
J26.6 (common): common for fault relay
Note that the fault relay will not be turned over for communication
faults on the AutroFieldBus.
The green and red LED beneath the cover are indicators for AFB-RX
and – TX. Hearbeat is indicated when these LEDs are blinking
simultaneously. Rapid blinking indicates heavy traffic on the
AutroFieldBus. If the red LED is weak and the green one is not lit,
there is no communication between the BSF-400 board and the
AutroFieldBus.
LED number / Colour
/ Schematic reference
This LED signifies that the BSF-400 has power and
will be OFF for 20 ms every second.
Will blink if power supply lacks 230V AC connection.
Blinking LED; for all battery faults, except when a
battery fuse is blown
Blinking LED for all fuse faults and also for all
electronic fuse faults.
The LED is lit shortly if AutroFieldBus
communication is received or transmitted.
Blinking LED if there are one or more faults in the
power supply system.
Blinking LED if there exist one or more internal faults
on the BSF-400. This includes temperature on the
BSF-400 out of bounds.
Internal faults are mostly PCB errors. This LED
blinks in a much faster cycle than the others.
All blinking LEDs, except where otherwise stated, will blink with 0,5
seconds ON and 0,5 seconds OFF.
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