National Instruments CompactRIO cRIO-9074XT, User Manual And Specifications

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Table 1. CompactRIO Reset Options
Chassis Reset Option Behavior
Do not autoload VI Does not load the FPGA bit stream from flash memory.
Autoload VI on device
powerup Loads the FPGA bit stream from flash memory to the FPGA
when the controller powers on.
Autoload VI on device reboot Loads the FPGA bit stream from flash memory to the FPGA
when you reboot the controller either with or without
cycling power.
Connecting Serial Devices to the cRIO-9074XT
The cRIO-9074XT 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 12.
Controller Serial Port
Pin 1
Pin 5
Pin 6
Pin 9
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
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