Table 20. SD LED Indicators
LED
LED Color LED Pattern
Indication
SD ACT
Yellow
Off
There is no I/O activity on the SD card in the slot.
Flashing
The cRIO-9035 is performing I/O on the SD card in
the slot. Do not remove the SD card while this LED
is flashing.
SD IN USE
Green
Off
There is no SD card present in the slot or the
cRIO-9035 has unmounted the SD card from the
operating system. It is safe to remove the SD card
from the slot.
Solid
The SD card in the slot is mounted in the operating
system. Do not remove the SD card while this LED
is lit.
Chassis Grounding Screw
The cRIO-9035 provides a chassis grounding screw.
Figure 6. cRIO-9035 Chassis Grounding Screw
1
1. Chassis Grounding Screw
For EMC compliance, you must connect the cRIO-9035 to earth ground through the chassis
ground screw. Use wire that is 1.31 mm
2
(16 AWG) solid copper wire with a maximum length
of 1.5 m (5 ft). Attach the wire to the earth ground of the electrode system of the facility.
Caution
If you use shielded cabling to connect to a C Series module with a plastic
connector, you must attach the cable shield to the chassis grounding terminal using
1.31 mm
2
(16 AWG) or larger wire. Attach a ring lug to the wire and attach the wire
20
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NI cRIO-9035 User Manual
