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Chapter 2 Installation and Configuration
NI PXI-1052 User Manual 2-4 ni.com
Connecting Safety Ground
Caution The PXI-1052 chassis is designed with a three-position NEMA 5-15 style plug
for the United States that connects the ground line to the chassis ground. To minimize
shock hazard, make sure the electrical power outlet you use to power the chassis has an
appropriate earth safety ground.
If the power outlet does not have an appropriate ground connection, you
must connect the premise safety ground to the chassis grounding screw
located on the rear panel. Refer to Figure 1-2, Rear View of the PXI-1052
Chassis, to locate the chassis grounding screw. Complete the following
steps to connect the safety ground.
1. Connect a 16 AWG (1.3 mm) wire to the chassis grounding screw
using a grounding lug. The wire must have green insulation with a
yellow stripe or must be noninsulated (bare).
2. Attach the opposite end of the wire to permanent earth ground using
toothed washers or a toothed lug.
Connecting to Power Source
Caution Do not install modules prior to performing the following power-on test.
Attach input power through the rear AC inlet using the appropriate
AC power cable supplied. Refer to Figure 1-2, Rear View of the PXI-1052
Chassis, to locate the AC inlet.
Caution To completely remove power, you must disconnect the AC power cable.
The power switch allows you to power on the chassis or place it in standby
mode. Push the power switch to the On (recessed) position (if not already
on). Observe that all fans become operational and the system power switch
LED is a steady green.
The system power indicator LED should be lit indicating that system power
is available to both the PXI and SCXI subsystems. The PXI subsystem
remains powered as long as the system power is on. However, you can
control the SCXI subsystem using the power switch on the rear panel.