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NI TB-2643 Installation Instructions

2

ni.com

3.

Loosen the two screws on the strain-relief assembly and remove the 
strain-relief bar.

4.

Remove the two screws from the upper and lower column connection 
boards.

5.

Disconnect the column connection boards from the module interface 
board by sliding them toward the front of the terminal block housing. 

6.

Connect each ribbon cable to the appropriate headers on the column 
connection boards and the module interface board.

7.

Reassemble the terminal block.

Note 

For information about protection resistance and matrix expansion, refer to the 

NI Switches Help

.

Figure 1.  

NI TB-2643 Terminal Block

1

Top Cover Screw

2

Top Cover

3

Strain-relief Screws

4

Strain-relief Bar

5

Column Connection Board Screws

6

Lower Column Connection Board

7

Upper Column Connection Board

8

Module Interface Board

9

Column Headers

10 Row Headers
11 Housing

8

11

10

6

7

4

3

5

1

2

9

Содержание TB-2643

Страница 1: ... determine when to install the terminal block Make sure you have the following NI TB 2643 terminal block 1 8 in flathead and 1 Phillips screwdrivers Eight 2 mm jumpers Four 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 Note Refer to the Accessories section for information about ordering the appropriate ...

Страница 2: ...6 Connect each ribbon cable to the appropriate headers on the column connection boards and the module interface board 7 Reassemble the terminal block Note For information about protection resistance and matrix expansion refer to the NI Switches Help Figure 1 NI TB 2643 Terminal Block 1 Top Cover Screw 2 Top Cover 3 Strain relief Screws 4 Strain relief Bar 5 Column Connection Board Screws 6 Lower C...

Страница 3: ...connection cable for column expansion National Instruments 779325 01 16 Conductor 05 in pitch ribbon cable assemblies Samtec FFSD 08 01 N 34 Conductor 05 in pitch ribbon cable assemblies Samtec FFSD 17 01 N J4 3 2 1 0 Pin 1 3 2 1 0 LOWER COLUMN CONNECTION BOARD C16 C16 C0 C0 C15 C15 UPPER COLUMN CONNECTION BOARD C31 C31 C47 C47 C63 C48 C48 C32 C32 C63 J2 J3 J2 J3 3 3 2 2 1 1 0 0 Pin 1 J3 3 2 1 0 P...

Страница 4: ...stics All input characteristics are DC ACpk or a combination unless otherwise specified Maximum switching voltage Channel to channel 100 V Channel to ground 100 V CAT I Caution This module is rated for Measurement Category I and intended to carry signal voltages no greater than 100 V This module can withstand up to 500 V impulse voltage Do not use this module for connections to signals or for meas...

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