Chapter 2: An Overview of the Pathfinder
Pathfinder
TM
12
System Specifications
Input Voltage
11 Vdc to 28 Vdc
Polarity
Negative ground only
Operating Temperature Range
-40 °C to +80 °C (all relays at 50 percent power)
Standby Current
Less than 0.1 A
Max Input Current
75 A (siren and relays)
Dimensions:
PF200 (Self Contained Siren)
Height
2.5 in (6.4 cm)
Width
6.0 in (15.2 cm)
Length
8.4 in (21.3 cm)
Net Weight
3.9 lb (1.77 kg)
Siren Specifications
Speakers
One or two 100 W, 11-ohm speakers or
One 100 W, 11-ohm speaker and two Rumbler speakers
Operating Current
100 W - One 11-ohm speaker – 8 A
200 W - Two 11-ohm speakers – 16 A
(13.6 V battery, No Relays active)
Frequency Range
182 to 1600 Hz
Nominal Cycle Rate
Wail: 12 cycles per minute
Yelp: 180 cycles per minute
Priority: 370 cycles per minute
High-Low: 60 cycles per minute
Nominal Voltage Output
64 V peak-to-peak (siren tones)
Audio Response
300 Hz to 3,000 Hz ± 3 dB
Siren Tone Compliances
SAE J1849 JUL89
Relay Specifications
Relays 1-5
10 A (active high)
Relays 6
10 A (active high or active low)
Relays 7-12
5 A (active high)
