© National Instruments | 1-15
cDAQ-9185/9189 User Manual
Reserving the Chassis in MAX
When the cDAQ chassis is connected to a network, multiple users can access the chassis. To
perform any DAQ functionality on the C Series modules, including reset chassis and self-test,
you must reserve the cDAQ chassis in MAX. Figure 1-10 depicts the chassis state icons in
MAX: an unreserved chassis or chassis reserved by another host appear with an X and reserved
chassis appear as blue/grey. Only one user at a time can reserve the cDAQ chassis.
If the cDAQ chassis was not reserved automatically after it was added (Add Device), you can
reserve the cDAQ chassis in MAX by expanding Devices and Interfaces»Network Devices,
selecting the chassis, and clicking the Reserve Chassis button. The Override Reservation
dialog box appears when you attempt to explicitly reserve a chassis. Agreeing to override the
reservation forces the cDAQ chassis to be reserved by the current user.
Mounting the cDAQ-9185/9189
To ensure proper functionality during use at the maximum ambient temperature of 70 °C, you
must mount the cDAQ chassis in the reference mounting configuration shown in the following
image. Mounting the cDAQ chassis in the reference mounting configuration ensures that your
system will operate correctly across the full operating temperature range and provide optimal
C Series module accuracy. Observe the following guidelines to mount the cDAQ chassis in the
reference mounting configuration.
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