NI TB-2630B Installation Instructions
2
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1. Unpack the Terminal Block
To avoid damage when you handle the terminal block, take the following precautions:
Caution
Never
touch the exposed pins of connectors.
•
Ground yourself using a grounding strap or by touching a grounded object.
•
Touch the antistatic package to a metal part of the chassis before you remove the terminal block
from the package.
Remove the terminal block from the package and inspect the terminal block for loose components or
any sign of damage. Notify NI if the terminal block appears damaged in any way. Do
not
install a
damaged terminal block on a switch module.
Store the terminal block in the antistatic package when not in use.
2. Verify the Components
Make sure you have the following:
❑
NI TB-2630B terminal block
❑
PXI chassis
❑
NI PXI-2530B switch module
❑
1/8 in. flathead screwdriver
❑
Eight 2 × 9, 0.100 in. pitch ribbon cable connectors (included)
❑
18-conductor, 28 AWG, 0.050 in. pitch ribbon cable (not included)
3. Connect Signals
Caution
To ensure the specified EMC performance, operate this product only with shielded cables
and accessories.
To connect signals to the terminal block, complete the following steps:
1.
Remove the terminal block top cover screws with the flathead screwdriver.
2.
Gently lift the terminal block top cover off the terminal block.
3.
Loosen the two screws on the strain-relief assembly and remove the top strain-relief bar.
4.
Prepare your ribbon cable by installing the 2 × 9 ribbon cable connectors onto separate
18-conductor ribbon cables.
5.
Connect each ribbon cable to a header.
6.
Connect the shield of the ribbon cable to the safety ground lug shown in Figure 1.
7.
Replace the strain-relief bar and tighten the two screws on the strain-relief assembly to secure the
cables.
8.
Replace the terminal block top cover.
9.
Secure the terminal block top cover with the top cover screws.
