Chapter 2
Hardware Overview of the NI 78xxR
©
National Instruments Corporation
2-23
R Series Intelligent DAQ User Manual
Figure 2-12.
PXI Star Trigger Connections in a PXI Chassis
Refer to the
PXI Hardware Specification Revision 2.1
and
PXI Software
Specification Revision 2.1
at
www.pxisa.org
for more information about
PXI triggers.
Switch Settings (NI 781
x
R/783
x
R Only)
Refer to Figure 2-13 for the location of switches on the NI PCI-781
x
R and
Figure 2-14 for the location of switches on the NI PXI-781
x
R. Refer
to Figure 2-15 for the location of switches on the NI PCI-783
x
R and
Figure 2-16 for the location of switches on the NI PXI-783
x
R. For normal
operation, SW1 is in the OFF position. To prevent a VI stored in flash
memory from loading to the FPGA at power up, move SW1 to the
ON position, as shown in Figure 2-17.
Note
SW2 and SW3 are not connected.
1
S
h
a
red Loc
a
l B
us
Line
s
b
etween
S
lot 2
a
nd
S
lot
3
2
S
h
a
red Trigger Line
s
b
etween
S
lot 2,
S
lot
3
,
a
nd
S
lot 4
3
S
h
a
red Loc
a
l B
us
Line
s
b
etween
S
lot
3
a
nd
S
lot 4
LBR0
LBR1
LBR2
LBR3
PXI Star*
Slot 2
LBLStar0
LBLStar1
LBLStar2
LBLStar3
LBR0
LBR1
LBR2
LBR3
PXI Star
Slot 3
LBLStar0
LBLStar1
LBLStar2
LBLStar3
LBR0
LBR1
LBR2
LBR3
PXI Star
Slot 4
3
1
2
* A Slot 2 device ties the PXI Star Line to the PXI 10 MHz clock
T
rigger 0
T
rigger 1
T
rigger 2
T
rigger 3
LBLStar0
LBLStar1
LBLStar2
LBLStar3
T
rigger 0
T
rigger 1
T
rigger 2
T
rigger 3
T
rigger 0
T
rigger 1
T
rigger 2
T
rigger 3
Summary of Contents for NI PXI-7852
Page 1: ...PXI 7852 ...
