Chapter 2
Installation and Configuration
NI PXI-1031/PXI-1031DC User Manual
2-2
ni.com
•
Part Replacement
—Only service this equipment with parts that
are exact replacements, both electrically and mechanically. Contact
National Instruments for replacement part information. Installation of
parts with those that are not direct replacements may cause harm to
personnel operating the chassis. Furthermore, damage or fire may
occur if replacement parts are unsuitable.
•
Modification
—Do
not
modify any part of the chassis from its original
condition. Unsuitable modifications may result in safety hazards.
Chassis Cooling Considerations
The chassis is designed to operate on a bench or in an instrument rack.
Determine how you want to use the chassis and follow the appropriate
installation instructions.
Providing Adequate Clearance
Apertures in the top, bottom, front, rear, and along the right and left sides
of the chassis facilitate power supply and module cooling. Air enters
through the fan inlet in the bottom of the chassis for module cooling. It then
exits through the upper sections at the right side, back, and through the top,
as shown in Figure 2-1. Air cooling the power supply enters the front and
left side of the chassis, which is shown in Figure 1-1,
Front View of the
PXI-1031 Chassis
, then exits through the rear of the chassis, which is
shown in Figure 1-2,
Rear View of the PXI-1031 Chassis
, and Figure 1-3,
Rear View of the PXI-1031DC Chassis
. Place the chassis on a bench top or
in an instrument rack so that the fans (air inlets) and the air outlet apertures
along the right and left sides, the top, and the back of the chassis have
adequate ventilation. Provide at least 44.5 mm (1.75 in.) clearance above,
behind, and on the sides of the unit for adequate venting. High-power
applications may require additional clearance.
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