Chapter 2
Installation and Configuration
©
National Instruments Corporation
2-3
Table 2-2 shows the manufacturer part numbers National Instruments uses
for these fuses.
To select a line voltage, refer to Figure 1-3,
, as needed and complete the following steps:
1.
Turn off the PXI-1050 power.
2.
Remove the power cable from the power-entry module.
3.
Using a flathead screwdriver, pry the door to the selection wheel open
from the top.
4.
Remove the selection wheel.
5.
Rotate the wheel for the appropriate voltage and reinsert it into the
power-entry module.
6.
Close the door.
7.
Check that the voltage showing on the selection wheel is correct.
8.
Reinsert the power cable.
Table 2-1.
PXI-1050 Voltage Selection and Fuse Ratings by Region
Region
Line Voltage
Fuse Rating
North America
120 VAC
1/2 A
Japan
100 VAC
3/4 A
Europe
240 VAC
1/4 A
Switzerland
220 VAC
1/4 A
Table 2-2.
PXI-1050 Fuse Part Numbers
Fuse Rating
Manufacturer
Part Number
1/4 A
Littelfuse
218.250
1/2 A
Littelfuse
239.500
3/4 A
Littelfuse
239.750
