Spectrex 40/40L-LB UV/IR Flame Detector Series - Manual (Page 30)

SharpEye TM UV/IR Flame Detector User Guide
18 Internal Detector Tests
Table 11: Results of a Successful Manual BIT
Output Result
FAULT relay  Wiring options 1, 2, and 4: remains CLOSED (Normal)
 Wiring options 3 and 5: remains OPEN (Normal)
ALARM relay Activated for 3 sec (only when the function Alarm BIT is
set to YES)
AUXILIARY
relay
For wiring options 4 and 5: is activated for 3 sec (only
when the function Auxiliary BIT is set to YES)
0-20mA
output
Wiring option 1, 2, 3:
 Initiates 20 mA only when the function Alarm BIT is set
to YES
 Initiates 16 mA when the function Auxiliary BIT is set
to YES and the function Alarm BIT is set to NO
POWER LED Green, Flashing, 1 Hz
Table 12: Results of an Unsuccessful Manual BIT
Output Result
FAULT relay  Wiring option 1, 2, 4: changes to OPEN
 Wiring option 3 and 5:changes to CLOSED
0-20mA
output Wiring option 1, 2, 3: Indicates BIT FAULT (2mA)
POWER LED Yellow, Flashing, 4 Hz
1.6.2.4 Manual BIT only selected
The BIT is initiated manually by momentarily connecting Terminal Number 3
with Terminal Number 2 or a switch across these terminals in the safe area.