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NI TB-2631B Installation Instructions

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2. Verify the Components

Make sure you have the following:

NI TB-2631B terminal block

PXI chassis

NI PXI-2530B switch module

1/8 inch flathead screwdriver

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 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.

Prepare the signal cable by stripping the insulation no more than 3/16 of an inch.

5.

Pull the signal cables through the strain-relief opening shown in Figure 1.

6.

Connect the cables to the terminals by inserting the stripped end of the cable into the terminal. 
Secure the connection by tightening the screw for each terminal. When connecting the signals, refer 
to the connection diagram in Figure 2.

Note

When connecting signals to the NI TB-2631B, refer to Tables 1 and 2 to determine where to 

connect signals for the chosen topology.

7.

Connect the shield of the signal cable to the safety ground lug shown in Figure 1.

8.

Tighten the two screws on the strain-relief bar, securing the signal cables.

9.

Replace the terminal block top cover to the terminal block.

10. Secure the terminal block top cover with the top cover screws.

Summary of Contents for NI TB-2631B

Page 1: ...o the switch Screw terminals for the trigger input and trigger output signals are also available The NI TB 2631B is designed for use with the NI PXI 2530B and is not compatible with the NI PXI 2530 1...

Page 2: ...cables 4 Prepare the signal cable by stripping the insulation no more than 3 16 of an inch 5 Pull the signal cables through the strain relief opening shown in Figure 1 6 Connect the cables to the ter...

Page 3: ...B 2631B Terminal Block 1 Signal cables 2 Strain relief opening 3 Strain relief bar 4 Strain relief screw 5 Chassis screws 6 Rear connector 7 Terminal block top cover 8 Top cover screws 9 Safety ground...

Page 4: ...ference NI TB 2631B Screw Terminal Reference NATIONAL INSTRUMENTS GND TRIGOUT GND TRIGIN 5V MAX 60 VDC MAX 0 4 A MAX 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 16 17 18 19 20 21 22 23 8 9 10 11 12 13 14 15 24 25...

Page 5: ...5 r2 ROW 4 c16 COLUMN 16 r3 ROW 6 c17 COLUMN 17 c0 COLUMN 0 c18 COLUMN 18 c1 COLUMN 1 c19 COLUMN 19 c2 COLUMN 2 c20 COLUMN 20 c3 COLUMN 3 c21 COLUMN 21 c4 COLUMN 4 c22 COLUMN 22 c5 COLUMN 5 c23 COLUMN...

Page 6: ...r1 ROW 2 ROW 3 c7 COLUMN 7 COLUMN 23 r2 ROW 4 ROW 5 c8 COLUMN 8 COLUMN 24 r3 ROW 6 ROW 7 c9 COLUMN 9 COLUMN 25 c0 COLUMN 0 COLUMN 16 c10 COLUMN 10 COLUMN 26 c1 COLUMN 1 COLUMN 17 c11 COLUMN 11 COLUMN...

Page 7: ...the terminal block rear panel to hold it securely in place Figure 3 Installing the NI TB 2631B Terminal Block Compliance and Certifications Safety This product meets the requirements of the following...

Page 8: ...e Online Product Certification section CE Compliance This product meets the essential requirements of applicable European Directives as follows 2006 95 EC Low Voltage Directive safety 2004 108 EC Elec...

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