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INSTALLATION INSTRUCTIONS
NI TB-2645
2-Wire 16×16 or 1-Wire Dual 16×16 Matrix Terminal Block
for the NI PXI-2532
Introduction
Note
Refer to the
assemblies.
Connecting Ribbon Cables
The NI TB-2645 terminal block configures the NI PXI-2532 switch
module as a 1-wire dual 16 ×16 or 2-wire 16 ×16 matrix. The NI TB-2645
has ribbon cable headers to connect signals to the switch, and it provides
optional isolation resistors to protect the reed relays of the switch from
capacitive loads.
Refer to the NI Switches Getting Started Guide to determine when to install
the NI TB-2645.
Make sure you have the following:
•
NI TB-2645 terminal block
•
1/8 in. flathead and #1 Phillips screwdrivers
•
One 34-conductor, 28 AWG, .050 in. pitch ribbon cable assembly
(not included)
•
Two 16-conductor, 28 AWG, .050 in. pitch ribbon cable assemblies
(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-2645
- Page 1 Introduction The NI TB-2645 terminal block configures the NI PXI-2532 switch module as a 1-wire dual 16 ×16 or 2-wire 16 ×16 matrix. The NI TB-2645 has ribbon cable headers to connect signals to the switch, and it provides optional isolation resistors to protect the reed relays of the switch from capacitive loads.
- Page 2 1 Top Cover Screw Column Connection Board 2 Top Cover Module Interface Board 3 Strain-relief Screws Column Header 4 Strain-relief Bar Row Headers 5 Column Connection Board Screws 10 Housing Figure 1. NI TB-2645 Terminal Block NI TB-2645 Installation Instructions ni.com...
- Page 3 Row Headers Column Connection Board (not used) 0+ (Pin 1) 8+ (Pin 1) 0+ (Pin 1) Figure 2. NI TB-2645 Terminal Block Signal Connections Accessories Visit for more information about National Instruments ni.com accessories. Table 1. Accessories for the NI TB-2645...
- Page 4 100 kHz ........<–50 dB 1 MHz........<–30 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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