Connections and Wiring
23
NI-2100, NI-3100, NI-4100 Hardware Reference Guide
Preparing Captive Wires
You will need a wire stripper and flat-blade screwdriver to prepare and connect the captive wires.
1. Strip 0.25 inch (6.35 mm) of insulation off all wires.
2. Insert each wire into the appropriate opening on the connector (according to the wiring diagrams and
connector types described in this section).
3. Tighten the screws to secure the wire in the connector. Do not tighten the screws excessively doing so
may strip the threads and damage the connector.
Wiring a Power Connection
To use the 2-pin 3.5 mm mini-Phoenix connector with a 12 VDC-compliant power supply, the incoming PWR
and GND cables from the external source must be connected to their corresponding locations on connector
(FIG. 9).
1. Insert the PWR and GND wires on the terminal end of the 2-pin 3.5 mm mini-Phoenix cable. Match the
wiring locations of the +/- on both the power supply and the terminal connector.
2. Tighten the clamp to secure the two wires. Do not tighten the screws excessively; doing so may strip the
threads and damage the connector.
3. Verify the connection of the 2-pin 3.5 mm mini-Phoenix to the external 12 VDC-compliant power supply.
Using the 4-Pin Mini-Phoenix Connector For Data and Power
Connect the 4-pin 3.5 mm mini-Phoenix (female) captive-wire connector to an external NetLinx device as
shown in FIG. 10.
Never pre-tin wires for compression-type connections.
FIG. 9 2-pin mini-Phoenix connector wiring diagram (direct power)
FIG. 10 Mini-Phoenix connector wiring diagram (direct data and power)
PWR +
GND -
To the Integrated Controller
Power Supply
To the Integrated Controller’s
To the external AXlink device
AXlink/PWR connector
PWR +
AXP/TX
AXM/RX
GND -
Top view
Top view
PWR +
AXP/TX
AXM/RX
GND -
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