Table 7. cRIO-904x SD Storage Accessories
SD Card Capacity Part Number
Industrial SD Card, -40 to 85 °C, UHS-I 16 GB 786362-01
32 GB 786363-01
SD Door (x3) - 786218-01
SD Card Slot Cover
You must use the SD card slot cover to protect the SD card in hazardous locations. Do not
remove an SD card while either LED is flashing or lit because file corruption may result.
Note Screw the slot cover closed completely. Tighten the captive screws to a
maximum torque of 0.75 N · m (6.7 lb · in.) using a #1 Phillips screwdriver. Do not
overtighten.
RS-232 Serial Port
The cRIO-904x has an RS-232 serial port that is implemented with an RJ-50, 10-position
modular jack to which you can connect devices such as displays or input devices. Use the
Serial VIs to read from and write to the serial port. Refer to the LabVIEW Help for information
about the Serial VIs.
Find examples on how to use NI-Serial or NI-VISA to perform serial communication in the
NI Example Finder. The NI Example Finder is located on the Help menu in the LabVIEW
Help.
Note The RS-232 serial port cannot be accessed by the user application when the
Console Out startup option is enabled.
The following table shows the pinout for the RS-232 serial port.
10 | ni.com | cRIO-904x User Manual
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