©
National Instruments Corporation
15
cRIO-FRC Operating Instructions and Specifications
STATUS LED
The STATUS LED is off during normal operation. The cRIO-FRC
indicates specific error conditions by flashing the STATUS LED a certain
number of times as shown in Table 3.
USER1 LED
You can use the FRC LEDs VI to set the state of the USER1 LED. Refer to
the
LabVIEW Help
for more information.
Resetting the Network Configuration of the cRIO-FRC
If the cRIO-FRC is not able to communicate with the network, you can use
the IP RESET switch to manually restore the chassis to the factory network
settings. When you restore the chassis to the factory network settings, the
IP address, subnet mask, DNS address, gateway, and Time Server IP are set
to
0.0.0.0
. Power-on defaults, watchdog settings, and VIs are unaffected.
Complete the following steps to reset the chassis.
1.
Move the IP RESET DIP switch to the ON position.
2.
Push the RESET button to cycle power to the chassis. The STATUS
LED flashes once, indicating that the IP address is unconfigured.
Table 3.
Status LED Indications
Number of Flashes
Indication
1
The chassis is unconfigured. Use the cRIO-FRC Imaging Utility to
configure the chassis.
2
The chassis
has detected an error in its software. This usually occurs
when an attempt to upgrade the software is interrupted. Use the cRIO
FRC Imaging Utility to reinstall software on the chassis.
3
The chassis is in safe mode because the SAFE MODE DIP switch is in
the ON position. Refer to the
Configuring DIP Switches
section for
information about the Safe Mode DIP switch.
4
The software has crashed twice without rebooting or cycling power
between crashes. This usually occurs when the chassis runs out of
memory. Review your RT VI and check the memory usage. Modify
the VI as necessary to solve the memory usage issue.
Continuous flashing
or solid
The device may be configured for DHCP but unable to get an IP address
because of a problem with the DHCP server. Check the network
connection and try again. If the problem persists, contact National
Instruments.
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