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Alternate Mounting Configurations
The maximum operating temperature may be reduced for any mounting configuration other
than the reference mounting configuration. A 10 °C (18 °F) reduction in maximum operating
temperature is sufficient for most alternate mounting configurations. Follow the guidelines
above for all mounting configurations.
The published accuracy specifications, although not guaranteed for alternate mounting
configurations, may be met depending on the system power and the thermal performance of
the alternate mounting configuration.
Contact NI for further details regarding the impact of common alternate mounting
configurations on maximum operating temperature and module accuracy.
Mounting Requirements for the cRIO-904x
Use the following to ensure you meet the cooling and cabling clearance requirements for
mounting cRIO-904x models.
Your installation must meet the following requirements for cooling and cabling clearance for
all cRIO-904x models.
Allow 25.4 mm (1.00 in.) on all sides of the cRIO-904x for air circulation, as shown in the
following figure.
Figure 12. cRIO-904x Cooling Dimensions
25.4 mm (1.00 in.)
All Around
Cooling Dimensions
Allow the appropriate space in front of C Series modules for cabling clearance, as shown in
the following figure. The different connector types on C Series modules require different
cabling clearances. For a complete list of cabling clearances for C Series modules, visit
ni.com/info
and enter the Info Code
.
crioconn
cRIO-904x User Manual | © National Instruments | 27
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