NI TB-2637 Installation Instructions
2
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2. Verify the Components
Make sure you have the following:
❑
NI TB-2637 terminal block
❑
PXI chassis
❑
NI PXI-2534 switch module
❑
1/8 in. flathead screwdriver
3. Connect Signals
To connect signals to the terminal block, complete the following steps
while referring to Figure 1.
1.
Remove the terminal block top cover screw with a flathead
screwdriver.
2.
Gently lift the terminal block top cover off the terminal block.
3.
Loosen the two screws on the strain-relief bar, leaving plenty of space
for the signal cables.
4.
Pull the signal wires through the strain-relief opening shown in
Figure 1.
5.
Connect the safety earth ground to the safety ground lug.
6.
Connect the wires to the terminals by inserting the stripped end of the
wire into the terminal. Secure the wire by tightening the screw for each
terminal. No bare wire should extend past the screw terminal. Exposed
wire increases the risk of a short-circuit and can result in a failure.
7.
Remove the slack in the terminal block wiring by pulling the wires
through the strain-relief bar.
8.
Tighten the two screws on the strain-relief bar until the signal wires are
secured.
9.
Replace the terminal block top cover.
10. Secure the terminal block top cover with the top cover screw.
