National Instruments 1128 用户手册
Appendix C
Customizing Your Module
C-2
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1.
Ground yourself via a grounding strap or a ground connected to your
SCXI chassis. Properly grounding yourself prevents damage to your
SCXI module from electrostatic discharge.
SCXI chassis. Properly grounding yourself prevents damage to your
SCXI module from electrostatic discharge.
2.
Remove the grounding screw from the top cover.
3.
Snap out the top cover of the shield by placing a screwdriver in the
groove at the bottom of the module and pushing down.
groove at the bottom of the module and pushing down.
4.
Remove the rear panel by unscrewing the two remaining screws.
5.
Slide the module out of its enclosure.
6.
Bend and trim the resistor lead as shown in Figure C-2. Be sure that the
resistor does not extend more than 0.5 in. above the surface of the
circuit board and that the leads do not protrude through the bottom of
the board by more than 0.060 in.
resistor does not extend more than 0.5 in. above the surface of the
circuit board and that the leads do not protrude through the bottom of
the board by more than 0.060 in.
Figure C-2. Bent and Trimmed Resistor
7.
Insert the resistor into the appropriate socket, labeled RCLx.
8.
Solder the leads to the pad on the bottom side of the module.
9.
Slide the module back into its enclosure.
10. Install the hex bracket screw.
11. Install the rear panel.
12. Install the top cover and grounding screw.
0.5 in.
0.060 in.
Circuit Board