Hardware Specifications; Relay Contacts; Reader Interface; Maximum Output Loading - Honeywell NETAXS NX4L1 Installation Manual

7.0 Hardware Specifications

7.1 Relay Contacts

Eight Form-C SPDT relays, 2 A @ 28 VDC (PTC limited).

7.2 Reader Interface

• Reader Power: 12.4 VDC nominal with 600 mA combined current with
• Reader LED Output: Open collector driver capable of sinking up to 8 mA.
• Reader Tamper: Supervised or non-supervised input.
• Reader Data Input: TTL compatible inputs.
• Reader Buzzer Output: Open collector driver capable of sinking 8 mA at

7.3 Maximum Output Loading

• Maximum current for any of the four reader outputs is 600 mA.
• Maximum current for any of the eight relay outputs on the HPACM8 is 2 A.
• Maximum battery charge current for the two batteries wired in series is
• Maximum combined current of the four reader outputs and the two auxiliary
• Maximum combined current of the two auxiliary outputs (if used without the
• Combined current of the eight relay outputs on the HPACM8 relay board is

7.4 Common Connections

Common connections are all connected internally. They are not connected to the panel
chassis.

7.5 Mechanical

• Enclosure Dimension: 17.7 inches (450 mm) W x 23.9 inches (607 mm) H x
• Enclosure Weight:
NetAXS Access Control Unit NX4L1 Installation Guide, Document 7-901099, Revision A
readers and AUX Power.
15 VDC.
700 mA.
outputs is 600 mA.
four reader outputs) is 500 mA.
2 A.
3.54 inches (90 mm) D.
– With two batteries (including the door): 33.70 lbs
– With one battery (including the door): 28.90 lbs
– Without batteries (including the door): 24.25 lbs
NetAXS™ NX4L1 Installation
Hardware Specifications
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