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Secutron MR-2100

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MR-2100/MR-2200 Installation Manual
9
Table 3: Addressable Input (Signaling Line Circuit)
Table 4: Notification Appliance Circuit Output Circuits
:
Table 5: Function Relay Output Circuits
Table 6: Power Outputs
Circuit / Model / Item Rating
Voltage 24Vdc nominal, 27.5Vdc maximum
Maximum loop length Refer to “3.5 Maximum Wiring Length
for Addressable Circuits” on page 20
Maximum loop current 450mA (momentary)
Maximum # of devices per loop 198 total (99 detector heads, 99 con-
trol/monitor modules)
Circuit / Model / Item Rating
MR-2100/MR-2200 Mainboard and
MRNC2 NAC Expander
Supervised and power limited
NAC1, NAC2* 24V full wave rectified DC, 2.0A maximum,
power limited.
End-of-line resistor (EOLR)
(for Class B wiring)
10kW, 1/4W, 5%
Maximum loop length Refer to “3.6 Maximum Wiring Length for
Bell Circuits” on page 20
NAC Current 1 MR-XPS NACs + AUX <
2.5A,
2 MR-XPS: 7A
Circuit / Model / Item Rating
MR-2100/MR-2200 Mainboard and
MRRL4 Relay Expander
RELAY1, RELAY2, RELAY3, RELAY4 Form C contact, 2A, 30Vdc resistive, power
limited source only.
Circuit / Model / Item Rating
MR-2100/MR-2200 Main board
AUX (x2) 24Vdc, filtered, regulated and power lim-
ited, 500mA maximum rated current (each),
600mVpp ripple.

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