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INSTALLATION INSTRUCTIONS
NI TB-2641
8 × 64 1-Wire Matrix Terminal Block for the NI PXI-2532
Introduction
Note
Refer to the
assemblies.
Connecting Ribbon Cables
The NI TB-2641 terminal block configures the NI PXI-2532 as an 8 × 64
1-wire matrix. The NI TB-2641 has ribbon cable headers to connect signals
to the switch, and it provides optional isolation resistors to protect the reed
relay from capacitive loads.
Refer to the NI Switches Getting Started Guide to determine when to install
the terminal block.
Make sure you have the following:
•
NI TB-2641 terminal block
•
1/8 in. flathead and #1 Phillips screwdrivers
•
Eight 2 mm jumpers
•
Two 34 conductor, 28 AWG, .050 in. pitch ribbon cable assemblies
(not included)
•
One 16 conductor, 28 AWG, .050 in. pitch ribbon cable assembly
(not included)
Accessories
section for information about ordering the appropriate cable
To connect ribbon cables to the terminal block, refer to Figures 1 and 2
while completing the following steps:
1.
Remove the top cover screw.
2.
Gently remove the top cover from the terminal block.
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Summary of Contents for National Instruments TB-2641
- Page 1 8 × 64 1-Wire Matrix Terminal Block for the NI PXI-2532 Introduction The NI TB-2641 terminal block configures the NI PXI-2532 as an 8 × 64 1-wire matrix. The NI TB-2641 has ribbon cable headers to connect signals to the switch, and it provides optional isolation resistors to protect the reed relay from capacitive loads.
- Page 2 6 Column Connection Board 2 Top Cover 7 Module Interface Board 3 Strain-relief Screws 8 Column Headers 4 Strain-relief Bar 9 Row Headers 5 Column Connection Board Screws 10 Housing Figure 1. NI TB-2641 Terminal Block NI TB-2641 Installation Instructions ni.com...
- Page 3 PROTECTION BYPASS 0 (Pin 1) 0 (Pin 1) 0 (Pin 1) COLUMN CONNECTION BOARD COLUMNS Figure 2. NI TB-2641 Terminal Block Signal Connections Accessories Table 1. Accessories for the NI TB-2641 Accessory Manufacturer Part Number NI SCB-264X screw terminal block...
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Page 4: Specifications
100 kHz ........<–60 dB 1 MHz........<–40 dB 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.
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