5
Table 2. Specifications
Category Attribute
Specification
XA Line
Interface Card
Current Draw – XA
Loop Master
570 mA @ 24 VDC, maximum
Current Draw – XA
Loop Slave
70 mA @ 24 VDC
Power
Nominal 24 VDC from FACP. When power is
provided through the AUX + and AUX –
terminals, the power must be provided by a
power supply that is UL-listed for fire protective
signaling use.
XA Loop
Max. Resistance
100
per wire
Max. Capacitance
1.5
f wire-to-wire
1.5
f wire-to-shield
Normal Supervision
Current
500 mA
Maximum Alarm
Current
500 mA
Voltage/Frequency
24 VAC / 250 Hz
Max. Number of
Addresses per Loop
255
Environmental
Temperature
0
C (32
F) to 49
C (120
F), inclusive
Humidity
Up to 93% relative humidity (non-condensing)
@ 32
C (90
F)
Overview and Specifications,
Continued
Specifications
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