Chapter 2
Hardware Overview of the NI 78xxR
R Series Multifunction RIO User Manual
2-28
ni.com
3.
Replace the blown f
u
se while referring to Fig
u
u
se
locations.
Figure 2-18.
NI 784
x
R/785
x
R Replacement Fuse Location
(Littelfuse Part Number 0453004)
4.
Reinstall the PCI, PCI Express, or PXI device into the comp
u
ter or PXI
chassis.
PCI Express Device Disk Drive Power Connector
(NI PCIe-784xR/785xR Devices)
The disk drive power connector is a fo
u
r-pin
hard drive connector on PCI Express devices that, when connected,
increases the c
u
rrent the device can s
u
pply on the +5 V terminal.
When to Use the Disk Drive Power Connector
PCI Express R Series devices witho
u
t the disk drive power connector
installed perform identically to other R Series devices for most applications
and with most accessories. For most applications, it is not necessary to
install the disk drive power connector.
However, yo
u
sho
u
ld install the disk drive power connector in either of the
following sit
u
ations:
•
Yo
u
need more power than listed in the device specifications
•
Yo
u
are
u
sing an R Series accessory with no external power s
u
pply,
s
u
ch as the cRIO-9151
Refer to the specifications doc
u
ment for yo
u
r device for more information
abo
u
t PCI Express power req
u
irements and power limits.
1
NI PCIe-7
8
4
x
R/7
8
5
x
R F
us
e Loc
a
tion
2
NI PXI-7
8
4
x
R/7
8
5
x
R F
us
e Loc
a
tion
1
Содержание Multifunction RIO NI R Series
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