Switch Settings - National Instruments NI PXI-7831R User Manual

Chapter 2 Hardware Overview of the NI PXI-7831R
Do not configure the NI PXI-7831R and another device to drive the same physical
Caution
star trigger line simultaneously. Such signal driving can damage the NI PXI-7831R and the
other device. NI is not liable for any damage resulting from such signal driving.

Switch Settings

NI PXI-7831R User Manual
other peripheral slots and results in very precise trigger timing signals.
For example, an NI PXI-7831R in slot 2 can send out an independent
trigger signal to each device plugged into slots <3..15> using the
PXI/LBLSTAR<0..12>. Each device receives its trigger signal on its own
dedicated star trigger line.
Refer to the PXI Hardware Specification Revision 2.1 and PXI Software
Specification Revision 2.1 at
PXI triggers.
Refer to Figure 2-2 for the location of switch SW1. For normal operation,
switch 1 is in the OFF position. To prevent a VI stored in flash memory
from loading to the FPGA upon power up, you can move switch 1 to the
ON position, as shown in Figure 2-11.
ON
1 2 3
a. Normal Operation (Default)
Figure 2-11. Switch Settings on Switch SW1
To move switch 1 to the ON position, complete the following steps:
1. Power off and unplug the PXI/CompactPCI chassis.
2. Remove the NI PXI-7831R.
3. Move switch 1 to the ON position, as shown in Figure 2-11.
4. Refer to the Installing the Hardware section of the Where to Start with
the NI PXI-7831R document for installation instructions for
reinserting the NI PXI-7831R into the PXI/CompactPCI chassis.
5. Plug in and power on the PXI/CompactPCI chassis.
After completing this procedure, a VI stored in flash memory does not load
to the FPGA on power up. You can use software to reconfigure the
NI PXI-7831R if necessary. To return to the default mode of loading from
www.pxisa.org
b. Prevent VI From Loading
2-20
for more information about
ON
1 2 3
ni.com