National Instruments CompactRIO cRIO-FRC, Operating Instructions And Specifications, Page: 12 / 25

© National Instruments Corporation 11 cRIO-FRC Operating Instructions and Specifications
Connecting Serial Devices to the cRIO-FRC
The cRIO-FRC has an RS-232 serial port 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 from a LabVIEW RT application. For more information
about the Serial VIs, refer to the
LabVIEW Help .
Figure 11. Controller Serial Port
Table 1. CompactRIO Reset Options
Reset Option Behavior
Do Not Autoload on Reset Does not load the FPGA bit stream from flash memory.
Autoload on Power-On Reset Loads the FPGA bit stream from flash memory to the FPGA
when the controller powers on.
Autoload on Any Device Reset Loads the FPGA bit stream from flash to the FPGA when you
reboot the controller either with or without cycling power.
Table 2. DB-9 Pin Descriptions
Pin Signal
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
Pin 1
Pin 5
Pin 6
Pin 9
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