National Instruments Network Card NI TB 2706 User Manual
INSTALLATION GUIDE  
NI TB-2706  
PXI/PXIe Terminal Block for M Series and NI 6143 Devices  
This installation guide describes how to install and connect signals to the NI TB-2706 terminal block  
for use with PXI/PXIe M Series, NI PXI-6143, and other PXI/PXIe devices with a 68-pin VHDCI  
connector.  
Contents  
Introduction.......................................................................................................................................... 1  
What You Need to Get Started ............................................................................................................ 1  
Safety Information ............................................................................................................................... 2  
Connecting the Signals ........................................................................................................................ 3  
Installing the Terminal Block .............................................................................................................. 5  
Specifications....................................................................................................................................... 6  
Where to Go for Support ..................................................................................................................... 7  
Introduction  
The TB-2706 is a terminal block assembly consisting of a printed circuit board, 70 screw terminals, and  
a metal enclosure with strain relief hardware. The terminal block assembly connects directly to the front  
panel of National Instruments PXI-622x, PXI-625x, PXIe-625x, PXI-628x, and PXI-6143 devices,  
eliminating the need for an external cable.  
The TB-2706 allows you to easily connect analog input, analog output, counter/timer, and digital I/O  
signals to your National Instruments device. The 70 screw terminals allow access to every pin on the  
connector, plus two shield screw terminals for use with a shielded cable. For M Series devices with  
two connectors, this terminal block allows access to every pin on Connector 0, plus two shield screw  
terminals for use with a shielded cable, but makes Connector 1 inaccessible.  
Caution The TB-2706 is not designed for input voltages greater than 42 Vpk/60 VDC, even if you  
install a voltage divider that reduces the voltage to within the input range of the DAQ device. Input  
voltages greater than 42 Vpk/60 VDC can damage the TB-2706, any device connected to it, and the  
host computer. Overvoltage also can cause an electric shock hazard for the operator. National  
Instruments is not liable for damage or injury resulting from such misuse.  
What You Need to Get Started  
You need the following to set up and use your terminal block:  
❑
❑
❑
NI TB-2706 Terminal Block Assembly  
NI TB-2706 Installation Guide  
NI PXI/PXIe M Series device, NI PXI-6143, or other PXI/PXIe device with a 68-pin VHDCI  
connector  
❑
M Series User Manual, S Series User Manual, or other PXI/PXIe DAQ device documentation  
Download from Www.Somanuals.com. All Manuals Search And Download.  
   
Connecting the Signals  
Refer to Figure 1 as you complete the following steps to connect signals to your terminal block.  
1
2
3
13  
4
12  
5
11  
6
10  
9
7
8
1
2
3
4
5
Top Cover Screw  
Cover  
Chassis Ground Lug  
Strain-Relief Screw  
Terminal Block Mounting Screw  
6
Strain-Relief Bar  
Signal Wire  
Strain-Relief Opening  
10 Screw Terminals  
11 Base Tab  
12 Connection to PXI/PXIe Module  
13 Cover Indentation  
7
8
9
Base  
Figure 1. TB-2706 Parts Locator Diagram  
1. Remove the terminal block cover by unscrewing the top cover screw using the 0.10 in. slotted  
screwdriver.  
Note Your kit contains a pinout label for M Series devices only, shown in Figure 2. This label,  
adhered to the inside of the cover, is a pin number-to-signal name reference. For PXI-6143 pin  
connections, refer to Figure 3 or the S Series User Manual.  
© National Instruments Corporation  
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Figure 2. Pinout Label for M Series  
Figure 3. Pinout for PXI-6143  
2. Loosen or remove the strain-relief bar by loosening the two strain-relief screws with the  
Phillips-head screwdriver.  
3. Use wire cutters and wire insulation strippers to strip no more than 7 mm of insulation from the  
wire ends.  
4. Loosen the screws in the screw terminals with the 0.10 in. slotted screwdriver.  
5. Insert the stripped wires into the screw terminals. Tighten the screws with the 0.10 in. slotted  
screwdriver. No bare wire should extend past the screw terminal. Exposed wire increases the risk  
of short circuits and failures.  
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6. Tighten or replace the strain-relief screws.  
7. Replace the terminal block cover by sliding the indentations on the cover under the tabs on the base.  
Tighten the top cover screw.  
Installing the Terminal Block  
Refer to Figure 4 as you complete the following steps to connect the terminal block to the PXI/PXIe  
module I/O connector.  
2
3
3
4
1
1
Terminal Block Mounting Screws  
2
PXI/PXIe Chassis  
3
PXI/PXIe Module Connector  
Figure 4. Connecting the TB-2706 to an M Series or PXI-6143 Device  
Caution The connectors of both the PXI/PXIe module and the terminal block are polarized. You can  
attach them in only one way. Do not force the terminal block when inserting it into or removing it  
from the PXI/PXIe module I/O connector. Make sure that the chassis is powered off before inserting  
the PXI/PXIe module.  
1. Install the PXI/PXIe module into the chassis and tighten the two module screws. You must install  
the TB-2706 terminal block on the PXI/PXIe module after the module is installed in the chassis.  
2. Guide the terminal block onto the connector.  
3. Tighten the two terminal block mounting screws.  
Caution The TB-2706 is not designed for input voltages greater than 42 Vpk/60 VDC, even if you  
install a voltage divider that reduces the voltage to within the input range of the DAQ device. Input  
voltages greater than 42 Vpk/60 VDC can damage the TB-2706, any device connected to it, and the  
host computer. Overvoltage also can cause an electric shock hazard for the operator. National  
Instruments is not liable for damage or injury resulting from such misuse.  
© National Instruments Corporation  
5
NI TB-2706 Installation Guide  
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Specifications  
These specifications are typical at 25 °C unless otherwise specified.  
Input/Output  
Caution The TB-2706 is not designed for input voltages greater than 42 Vpk/60 VDC.  
Refer to the documentation for your M Series or PXI-6143 device to determine the input/output  
specifications for your application.  
Physical  
Dimensions ............................................................10.7 × 8.6 × 2.0 cm (4.2 × 3.4 × 0.8 in.)  
Dimension from face of PXI/PXIe card.................8.6 cm (3.4 in.)  
Weight....................................................................289 g (10.2 oz)  
I/O connector .........................................................One 68-position male VHDCI connector  
Screw terminals  
Number ..........................................................70  
Type................................................................Angled entry, 3.81 mm pitch  
Wire gauge.............................................................26–16 AWG  
Environment  
Operating temperature ...........................................0 to 55 °C  
Storage temperature ...............................................–20 to 70 °C  
Relative humidity...................................................10 to 90% noncondensing  
Pollution Degree (indoor use only)........................2  
Altitude ..................................................................2,000 m  
Safety  
This product is designed to meet the requirements of the following standards of safety for electrical  
equipment for measurement, control, and laboratory use:  
•
•
IEC 61010-1, EN 61010-1  
UL 61010-1, CSA 61010-1  
Note For UL and other safety certifications, refer to the product label or visit ni.com/  
certification, search by model number or product line, and click the appropriate link in the  
Certification column.  
Electromagnetic Compatibility  
This product is designed to meet the requirements of the following standards of EMC for electrical  
equipment for measurement, control, and laboratory use:  
•
•
•
EN 61326 EMC requirements; Minimum Immunity  
EN 55011 Emissions; Group 1, Class A  
CE, C-Tick, ICES, and FCC Part 15 Emissions; Class A  
Note For EMC compliance, operate this device according to product documentation.  
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CE Compliance  
This product meets the essential requirements of applicable European Directives, as amended for  
CE marking, as follows:  
•
•
73/23/EEC; Low-Voltage Directive (safety)  
89/336/EEC; Electromagnetic Compatibility Directive (EMC)  
Note Refer to the Declaration of Conformity (DoC) for this product for any additional regulatory  
compliance information. To obtain the DoC for this product, visit ni.com/certification,  
search by model number or product line, and click the appropriate link in the Certification column.  
Waste Electrical and Electronic Equipment (WEEE)  
EU Customers At the end of their life cycle, all products must be sent to a WEEE recycling center.  
For more information about WEEE recycling centers and National Instruments WEEE initiatives,  
visit ni.com/environment/weee.htm.  
Where to Go for Support  
The National Instruments Web site is your complete resource for technical support. At ni.com/  
support you have access to everything from troubleshooting and application development self-help  
resources to email and phone assistance from NI Application Engineers.  
National Instruments corporate headquarters is located at 11500 North Mopac Expressway, Austin,  
Texas, 78759-3504. National Instruments also has offices located around the world to help address your  
support needs. For telephone support in the United States, create your service request at ni.com/  
support and follow the calling instructions or dial 512 795 8248. For telephone support outside the  
United States, contact your local branch office:  
Australia 1800 300 800, Austria 43 662 457990-0, Belgium 32 (0) 2 757 0020,  
Brazil 55 11 3262 3599, Canada 800 433 3488, China 86 21 5050 9800,  
Czech Republic 420 224 235 774, Denmark 45 45 76 26 00, Finland 385 (0) 9 725 72511,  
France 33 (0) 1 48 14 24 24, Germany 49 89 7413130, India 91 80 41190000, Israel 972 3 6393737,  
Italy 39 02 413091, Japan 81 3 5472 2970, Korea 82 02 3451 3400, Lebanon 961 (0) 1 33 28 28,  
Malaysia 1800 887710, Mexico 01 800 010 0793, Netherlands 31 (0) 348 433 466,  
New Zealand 0800 553 322, Norway 47 (0) 66 90 76 60, Poland 48 22 3390150,  
Portugal 351 210 311 210, Russia 7 495 783 6851, Singapore 1800 226 5886,  
Slovenia 386 3 425 42 00, South Africa 27 0 11 805 8197, Spain 34 91 640 0085,  
Sweden 46 (0) 8 587 895 00, Switzerland 41 56 2005151, Taiwan 886 02 2377 2222,  
Thailand 662 278 6777, Turkey 90 212 279 3031, United Kingdom 44 (0) 1635 523545  
© National Instruments Corporation  
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National Instruments, NI, ni.com, and LabVIEW are trademarks of National Instruments Corporation.  
Refer to the Terms of Use section on ni.com/legal for more information about National  
Instruments trademarks. Other product and company names mentioned herein are trademarks or trade  
names of their respective companies. For patents covering National Instruments products, refer to the  
appropriate location: Help»Patents in your software, the patents.txt file on your CD, or  
ni.com/patents.  
© 2005–2007 National Instruments Corporation. All rights reserved.  
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