National Instruments NI TB-2631B Installation Instructions Manual

National Instruments NI TB-2631B Installation Instructions Manual

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INSTALLATION INSTRUCTIONS
NI TB-2631B
Terminal Block for the NI PXI-2530B
This guide describes how to install and connect signals to the National Instruments TB-2631B terminal
block to configure your NI PXI-2530B switch module as one of the following:
1-wire 4×32 matrix
2-wire 4×16 matrix
This terminal block is a shielded accessory.
Contents
Introduction.......................................................................................................................................... 1
1. Unpack the Terminal Block............................................................................................................. 1
2. Verify the Components.................................................................................................................... 2
3. Connect Signals ............................................................................................................................... 2
4. Install the Terminal Block ............................................................................................................... 7
Compliance and Certifications............................................................................................................. 7

Introduction

The NI TB-2631B terminal block installs in front of the NI PXI-2530B switch module. The
NI TB-2631B has screw terminals to connect signals to 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. 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.

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Summary of Contents for National Instruments NI TB-2631B

  • Page 1 NI TB-2631B has screw terminals to connect signals to 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.
  • Page 2 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. Connect the shield of the signal cable to the safety ground lug shown in Figure 1.
  • Page 3 Signal cables Rear connector Strain-relief opening Terminal block top cover Strain-relief bar Top cover screws Strain-relief screw Safety ground lug Chassis screws 10 Screw terminals Figure 1. NI TB-2631B Terminal Block © National Instruments Corporation NI TB-2631B Installation Instructions...
  • Page 4 NATIONAL 60 VDC MAX COLUMNS 0.4 A MAX INSTRUMENTS ROWS 1-WIRE REFERENCE +5V MAX TRIGOUT TRIGIN Figure 2. NI TB-2631B Terminal Reference NI TB-2631B Installation Instructions ni.com...
  • Page 5 COLUMN 6 COLUMN 24 COLUMN 7 COLUMN 25 COLUMN 8 COLUMN 26 COLUMN 9 COLUMN 27 COLUMN 10 COLUMN 28 COLUMN 11 COLUMN 29 COLUMN 12 COLUMN 30 COLUMN 13 COLUMN 31 © National Instruments Corporation NI TB-2631B Installation Instructions...
  • Page 6 COLUMN 11 COLUMN 27 COLUMN 2 COLUMN 18 COLUMN 12 COLUMN 28 COLUMN 3 COLUMN 19 COLUMN 13 COLUMN 29 COLUMN 4 COLUMN 20 COLUMN 14 COLUMN 30 COLUMN 5 COLUMN 21 COLUMN 15 COLUMN 31 NI TB-2631B Installation Instructions ni.com...
  • Page 7 (the NI PXI-2530B should already be installed in a PXI chassis): Plug the NI TB-2631B on to the front connector of the NI PXI-2530B as shown in Figure 3. Tighten the top and bottom chassis screws on the back of the terminal block rear panel to hold it securely in place.
  • Page 8 Instruments Patent Notice at ni.com/patents. Refer to the Export Compliance Information at ni.com/legal/export-compliance for the National Instruments global trade compliance policy and how to obtain relevant HTS codes, ECCNs, and other import/export data. © 2010–2011 National Instruments Corporation. All rights reserved.

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