User's Manual

3
2
Wiring
Power
The only wiring required for the
NRD1 is the power connection. All
termination of power wires are made
to the terminal blocks on the
backplane of the unit as shown.
NRD1 Manual - PRELIMINARY
The unit can accept the following
power inputs through the switching
power supply:
AC Option
Input Range: 90 – 260 VAC
47 – 440 Hz
DC Option
Input Range: 120 – 370 VDC
Direct DC (Solar charger)
Input Range: 5 - 12 VDC
Terminal Blocks
The backplane board in the NRD has
two different terminal blocks: One for
AC power and one for DC power. Each
terminal block clearly shows the proper
termination.
Grounding
The NRD1 should always be wired with
a ground wire. This ground is
connected securely to the chassis.