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. For information about available transceiver modes for serial communication, visit
ni.com/manuals and enter the Info Code serialtransceiver.
Note For information on serial port behavior during FPGA reconfiguration, visit
ni.com/info and enter Info Code crioserial.
The following table shows the pinout for the RS-485 serial port.
Table 10. RS-485 Serial Port Pinout
Pinout Pin Signal
1 Ground
2 No Connect
3 No Connect
4 RXD+
5 RXD-
6 No Connect
7 No Connect
8 TXD+
9 TXD-
Table 11. RS-485 Serial Port Accessories
Accessory Length Part Number
RS-485/RS-422, Null-Modem Serial Cable, 9-Pin DSUB (Female)
to 9-Pin DSUB (Female)
1 m 183283-01
2 m 183283-02
4 m 183283-04
RESET Button
The cRIO-9068 provides a RESET button to reset the processor in the same manner as cycling
power.
8 | ni.com | NI cRIO-9068 User Manual
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