Chassis Grounding Screw
Figure 5. cRIO-905x Chassis Grounding Screw
1. Chassis Grounding Screw
Note For information about grounding the cRIO-905x, see Grounding the
Controller in the NI cRIO-905x Getting Started Guide.
Note For more information about ground connections, visit ni.com/info and enter
the Info Code emcground.
Internal Real-Time Clock
The cRIO-905x contains an internal real-time clock that maintains system time when the
cRIO-905x is powered off. The system clock of the cRIO-905x is synchronized with the
internal real-time clock at startup. You can set the real-time clock using the BIOS setup utility
or MAX, or you can set the real-time clock programmatically using LabVIEW.
Refer to the model specifications on ni.com/manuals for the real-time clock accuracy
specifications.
Digital Routing
The digital routing circuitry of the cRIO-905x manages the flow of data between the bus
interface and the acquisition and generation sub-systems when programming C Series modules
in Real-Time (NI-DAQmx) mode. The subsystems include analog input, analog output, digital
14 | ni.com | NI cRIO-905x User Manual
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