National Instruments NI cRIO-9035 User Manual page 10

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.
You can use the Ring Indicator (RI) on pin 2 to wake the controller from a low-power state.
You can drive RI with a logic level high to wake the cRIO-9035. Refer to the specifications on
ni.com/manuals for the RI wake voltage.
The following accessories are available to connect the RS-232 serial port to a 9-pin DSUB
plug.
RS-232, S8 Serial Cable, 10-Position Modular Plug to 9-Pin DSUB
10 | ni.com | NI cRIO-9035 User Manual
Table 7. RS-232 Serial Port Pinout
Pinout
1
2
3
4
5
6
7
8
9
10
Table 8. RS-232 Serial Port Accessories
Accessory
Pin Signal
1 No Connect
2 RI
3 CTS
4 RTS
5 DSR
6 GND
7 DTR
8 TXD
9 RXD
10 DCD
Length Part Number
1 m
2 m
3 m
182845-01
182845-02
182845-03