
© National Instruments | 1-15
NI cDAQ-918x/919x User Manual
Mounting the cDAQ Chassis
You can use the cDAQ chassis on a desktop or mount it to a panel, wall, or DIN rail. For
accessory ordering information, refer to the pricing section of your cDAQ chassis product page
at
ni.com.
Caution Your installation must meet the following requirements:
• Allows 25.4 mm (1 in.) of clearance above and below the cDAQ chassis for air
circulation.
• Allows at least 50.8 mm (2 in.) of clearance in front of the modules for common
connector cabling such as the 10-terminal detachable screw terminal connector
and, as needed, up to 88.9 mm (3.5 in.) of clearance in front of the modules for
other types of cabling.
For more information about cabling clearances for C Series I/O modules, refer to
ni.com/info and enter the Info Code cseriesconn.
Caution To maintain product performance and accuracy specifications when the
ambient temperature is between 45 and 55 °C, you must mount the chassis to a metal
panel or surface using the screw holes or the panel mount kit. DIN mounting limits
the device to 45 °C maximum ambient operating temperature. Measure the ambient
temperature at each side of the CompactDAQ system 63.5 mm (2.5 in.) from the side
and 25.4 mm (1 in.) from the rear cover of the system. For further information about
mounting configurations, go to
ni.com/info and enter the Info Code
cdaqmounting.
(NI cDAQ-9181/9191) The NI 9925 outdoor IP 54 enclosure for NI cDAQ-9181/9191 chassis
offers protection from industrial and outdoor environments and supplies IP 54 rated power,
wireless antenna, Ethernet, and I/O connections.
Using the cDAQ Chassis on a Desktop
You can use the cDAQ chassis on a desktop. NI cDAQ-9184/9188 users can also install an
optional desktop mounting kit.
Caution Do not stack cDAQ chassis.
Caution (NI cDAQ-9191) This transmitter must not be co-located or operated in
conjunction with any other antenna or transmitter.
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