National Instruments TB-2630 Installation Instructions Manual
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INSTALLATION INSTRUCTIONS
NI TB-2630
Terminal Block for the NI PXI-2530
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This guide describes how to install and connect signals to the
National Instruments TB-2630 terminal block to configure your
NI PXI-2530 switch module as one of the following:
• 128 × 1 1-wire multiplexer
• 64 × 1 2-wire multiplexer
• 32 × 1 4-wire multiplexer
• Eight 16 × 1 1-wire multiplexers
Refer to the NI Switches Getting Started Guide to determine when to install
the terminal block.
Introduction
The TB-2630 terminal block installs in front of the PXI-2530 switch
module. The TB-2630 has ribbon cable headers to connect signals to the
switch. Screw terminals for the trigger input and trigger output signals also
are available.
Conventions
The following conventions are used in this guide:
» The » symbol leads you through nested menu items and dialog box options
to a final action. The sequence File»Page Setup»Options directs you to
pull down the File menu, select the Page Setup item, and select Options
from the last dialog box.
This icon denotes a note, which alerts you to important information.
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This icon denotes a caution, which advises you of precautions to take to
avoid injury, data loss, or a system crash.
bold Bold text denotes items that you must select or click in the software, such
as menu items and dialog box options. Bold text also denotes parameter
names.
italic Italic text denotes variables, emphasis, a cross reference, or an introduction
to a key concept. This font also denotes text that is a placeholder for a word
or value that you must supply.
monospace Text in this font denotes text or characters that you should enter from the
keyboard, sections of code, programming examples, and syntax examples.
This font is also used for the proper names of disk drives, paths, directories,
programs, subprograms, subroutines, device names, functions, operations,
variables, filenames, and extensions.
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 terminal block.
Store the terminal block in the antistatic package when not in use.
NI TB-2630 Installation Instructions 2 ni.com
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2. Verify the Components
Make sure you have the following:
❑ NI TB-2630 terminal block
❑ PXI chassis
❑ NI PXI-2530 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
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. Replace the strain-relief bar and tighten the two screws on the
strain-relief assembly to secure the cables.
7. Replace the terminal block top cover.
8. Secure the terminal block top cover with the top cover screws.
© National Instruments Corporation 3 NI TB-2630 Installation Instructions
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8
7
8
9
10
1
2
1 Strain-Relief Opening
2 Strain-Relief Bar
3 Ribbon Cable
4 Strain-Relief Screw
5 Chassis Screws
6 Rear Connector
11
6
5
4
3
7 Terminal Block Top Cover
8 Top Cover Screws
9 Safety Ground Lug
10 Ribbon Cable Connector
11 Ribbon Cable Header
Figure 1. TB-2630 Terminal Block
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