Owner's manual

Fire Detector Input Modules (T7419)
PD - 7032 Mar - 06 19
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 Cu rrent,
Maximum
3 to 10 mA, typical when
detector in normal state
Detector Alarm
See Load - line
characteristics, page 9 .
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)