National Instruments NI cDAQ-9139 User Manual page 25

temperature and can affect the measurement accuracy of modules in the controller.
Figure 1-9 shows the controller mounted horizontally. Refer to the
Controller on a Panel
Measure the ambient temperature at each side of the controller, 63.5 mm (2.5 in.) from
the side and 50.8 mm (2 in.) forward from the rear of the controller, as shown in
Figure 1-10.
For more information about how different mounting configurations can cause
temperature derating, go to
Figure 1-9. NI cDAQ-9138/9139 Mounted Horizontally with Panel Mount Kit
Up
Figure 1-10. NI cDAQ-9138/9139 Temperature, Cooling, and Cabling Dimensions
Cooling Outline
50.8 mm (2.00 in.)
88.1 mm
(3.47 in.)
Cooling Outline
50.8 mm (2.00 in.)
Measure Ambient
Temperature Here
50.8 mm
(2.00 in.) 63.5 mm
(2.50 in.)
section for complete panel mounting instructions.
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NI cDAQ-9139 NI cDAQ-9139
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NI cDAQ-9139 NI cDAQ-9139
NI CompactDAQ NI CompactDAQ
Cabling Clearance
50.8 mm (2.00 in.)
NI cDAQ-9138/9139 User Manual
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Mounting the cDAQ
cdaqmounting
50.8 mm
29.2 mm
(2.00 in.)
(1.15 in.)
Measure Ambient
Temperature Here
50.8 mm
63.5 mm
(2.00 in.)
(2.50 in.)
.