Rockwell Automation T3419 ICS Regent Fire Detector Input - Manual (Page 20)

Fire Detector Input Modules (T3419)
2 0
Industrial Control Services
Specifications
Safetybus Power 0.85 load units
Number of Inputs 16
Field Circuit Type Standard 20 volt detector
loop, line monitored and
tested
Field Power
Voltage:
Current:
15 to 40 VDC
1.2 amps, maximum
Nominal Operating Voltage Module provides regulated
23.5 Vdc for input loop
End of Line Terminator 3.0 Kohm resistor, typical
Quiescent Current,
Maximum 3 to 10 mA, typical when
detector in normal state
Detector Alarm See Load-line
characteristics, page 10.
Reset
Voltage:
Current:
Time :
<1 volt
<20
m A
Programmable
Test Interval 15 seconds (typical)
Intrinsic Safety External barrier
Over voltage Protection 27 volts continuous, 500
volts surge transient
Fusing None (internal current limit
20 mA — no damage with
continual short circuit or
open input)
Isolation 2500 volts minimum (field
wiring to control logic)
Operating Temperature 0 ° to 60 ° C
(32 ° to 140 ° F)