Honeywell NOTIFIER NFC-50/100 Instruction Manual page 14

Product Description
Speaker Circuits
Primary Speaker Circuit - TB20, Terminals 1(+) & 2(-) Style Y (Class B), 4(+) & 5(-) Style Z (Class A), 3 Shield (Standby and Alarm
Polarity Shown) on main control board
Secondary Speaker Circuit (with optional amplifier only) - TB21, Terminals 1(+) & 2(-) Style Y (Class B), 4(+) & 5(-) Style Z (Class
A), 3 Shield (Standby and Alarm Polarity Shown) on main control board
Power-limited (Class 2) circuitry
Operation: Circuit can be wired Style Y (Class B) or Style Z (Class A)
Normal Operating Voltage: 25 V
(70.7 V @ 700 mA max. with maximum Load Impedance of 100Ω operation possible by plugging optional NFC-XRM-70V conver-
RMS
sion transformer into J12 of the main control board).
Output Power: 50 watts, standard; 100 watts with optional amplifier (100 watts total, maximum, allowed in standby for background
music)
Frequency Range: 800 - 2,800 Hz
Maximum total capacitance for each speaker circuit: 250 µF.
End-of-Line Resistor required for Style Y circuit: 15 KΩ, 1 watt (P/N: ELR-15K)
Command Input Circuits (alarm polarities shown)
• CMD1 - TB4 Terminals 3(+) & 4(-) are input terminals and Terminals 1(-) and 2(+) are output terminals which provide feed
through of the NAC circuits to NAC devices downstream; provides internal trouble relay rated at 3.0 amps maximum
• CMD2 - TB5 Terminals 3(+) & 4(-) are input terminals and Terminals 1(-) and 2(+) are output terminals which provide feed
through of the NAC circuits to NAC devices downstream
• CMD3 - TB6 Terminals 1(+) & 2(-) are input terminals for contact closure only
• CMD4 - TB6 Terminals 3(+) & 4(-) are input terminals for contact closure only
• CMD5 - TB7 Terminals 1(+) & 2(-) are input terminals for contact closure only
• CMD6 - TB7 Terminals 3(+) & 4(-) are input terminals for contact closure only
• CMD7 - TB8 Terminals 1(+) & 2(-) are input terminals for contact closure only
• CMD8 - TB8 Terminals 3(+) & 4(-) are input terminals for contact closure only
Power-limited (Class 2) and supervised circuitry
Normal Operating Voltage Range: 10.5 VDC - 29 VDC; Maximum Voltage: 29 VDC
NAC Reverse Polarity Current (requires End-of-Line Resistor from NAC): 1.6 mA maximum.
Contact Closure Operation Current (requires 4.7K, ½ watt End-of-Line Resistor P/N 27072 only when messages have been assigned to
the command input): 6.6 mA maximum
Maximum Wiring Impedance CMD1 - CMD8 (Contact Closure Operation): 200Ω
Maximum Input Impedance:
• CMD1 & CMD2 (Reverse Polarity Operation): 20KΩ
• CMD1 - CMD8 (Contact Closure Operation): 4.75KΩ
Night Ring Input - TB16, Terminals 1 (+) & 2 (-)
Contact closure input
Isolated, nonsupervised
Operation current: 3.8 mA, maximum
Maximum wiring impedance: 30K Ω
Minimum isolation withstand voltage: 1500 V
External Operator Interface Power Output - TB24, Terminals 1 (PWR, +) & 2 (GND, -)
Non-resettable power for external operator interface components
Power-limited (Class 2) circuitry, Supervised
Nominal operating voltage: 24 VDC
Maximum output current: 0.80 amps
Current limit: fuseless, electronic, power-limited circuitry
External Data Bus (EIA-485) - TB12, Terminals 2 (B), 3 (A), 4 (BRTN), 5 (ARTN), & 1 (SHLD)
Data connections for external operator interface components
Redundant transceiver circuitry for Class A operability
Power-limited (Class 2) circuitry, supervised
Maximum wiring impedance: 13.2 Ω
FACP Data Bus (EIA-485) - TB13, Terminals 1 (B IN), 2 (A IN), 3 (B OUT), & 4 (A OUT)
Dedicated connection to FACP serial bus
Output terminals: pass-through to other system components
Isolated, supervised
Minimum isolation withstand voltage: 1500 V
Maximum wiring impedance: 40 Ω (ANN-BUS)/26 Ω (ACS BUS)
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@ 2 amps max. and maximum Load Impedance of 12.5Ω
RMS
RMS
RMS
Notifier FirstCommand Series Manual — P/N LS10001-001NF-E:H 1/8/2018
Input/Output Circuit Specifications