Bosch AVIOTEC IPSTARLIGHT 8000, Руководство по эксплуатации и пуско-наладке

Страница: 42 / 70

42 en | Troubleshooting AVIOTEC IP starlight 8000
2020.08 | 01 | F.01U.391.015 Operation and Commissioning Manual Bosch Sicherheitssysteme GmbH
9 Troubleshooting
The following issues can be solved in the detection settings ( Configuration > Alarm > Fire
detection ).
9.1 False Alarms
9.1.1 Quick solution to solve false alarms
A fast way to identify and solve region-stable false alarms in the camera image is automasking.
The system automatically generates predefined masks from the alarm memory.
Navigate to
Configuration > Alarm > Fire detection .
2. Select Automask .
3. Select Set to confirm the changes.
Refer to
– Automask, page 36
9.1.2 False alarms under 4 seconds concerning the whole detection area
In this case the general settings of the fire detection have to be adjusted.
Problem Solution
Short false alarms for smoke detection. Increase the duration of smoke detection.
(
Smoke > Verification time [s] )
Short false alarms for flame detection. Increase the duration of flame detection.
(
Flames > Verification time [s] )
9.1.3 False alarms at small constant areas
Individual image areas are affected and have to be adjusted.
Problem Solution
Objects cause flickering motion, e.g. shadow
of a flag in the wind. Mask out the disturbing image area (for
flame).
Flame detection will be deactivated in this
mask.
Continuous motion in the picture causes false
alarms, e.g. escalators. Mask out the disturbing image area (for
smoke).
Smoke detection will be deactivated in this
mask.
Temporary motion causes false alarms, e.g.
roller shutter. Mask out the disturbing image area ( Add
smoke time region ).
Smoke detection will be delayed in this mask.