LaserSCANNER Product Manual
VESDA
®
12
Relays Default
Configuration
7 relays:
Alert, Action, Fire 1, Fire 2, Minor Fault, Urgent Fault
and Isolate. (7 x NO/NC contacts)
12 relays:
Alert, Action, Fire 1, Fire 2, Minor Fault, Urgent Fault
and Isolate, First Alarm sector 1 to 4 and Scan. (10 x
NO, 2 x NO/NC contacts)
Scan Sector Delay (Period)
Minimum 8 seconds, maximum 15 seconds
Scan Threshold Delay
Minimum 0 seconds, maximum 10 seconds
IP Rating
IP30
Cable Access
8 x 25 mm (1in) knockouts in various positions
Cable Termination
Screw terminal blocks (0.2-2.5 sq mm, 30-12 AWG)
Sensitivity Range
0.005 to 20% obs/m
(0.0015 to 6.25% obs/ft.)
Threshold Setting Range
Alert: 0.005 - 1.990% obs/m
(0.0015 - 0.6218% obs/ft.)
Action: 0.010 - 1.995% obs/m
(0.0031 - 0.6234% obs/ft.)
Fire 1: 0.015 - 2% obs/m
(0.0046 - 0.625% obs/ft.)
Fire 2: 0.020 - 20% obs/m
(0.0062 - 6.25% obs/ft.)**
** Limited to 12% obs/m 4% obs/ft. in UL mode
All shipments are factory configured for UL Mode. If
the UL Mode is switched OFF the UL listing will be
voided.
Key Software Features
Event log:
Up to 18,000 events stored on FIFO basis
AutoLearn:
Minimum 15 minutes
Maximum 15 days, 23hrs, 59 minutes
Recommended minimum period 14 days
During AutoLearn, thresholds (i.e. alarm thresholds)
are NOT changed from pre-set values
Referencing:
Compensation for external ambient conditions
Four Alarm Levels:
Alert, Action, Fire 1 and Fire 2
Two Fault Warning Levels:
Minor Fault and Urgent fault
Software Programmable
relays:
7 or 12