![background image](http://html1.mh-extra.com/html/national-instruments/ni-tb-2644/ni-tb-2644_installation-instructions-manual_3584059002.webp)
NI TB-2644 Installation Instructions
2
ni.com
4.
Remove the two screws from the column connection board and retain
the plastic spacer.
5.
Disconnect the column connection board from the module interface
board by sliding it toward the front of the terminal block housing.
6.
Connect each ribbon cable to the appropriate headers on the column
connection board 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-2644 Terminal Block
1
Top Cover Screw
2
Top Cover
3
Strain-relief Screws
4
Strain-relief Bar
5
Column Connection Board Screws
6
Column Connection Board
7
Module Interface Board
8
Column Headers
9
Row Headers
10 Housing
4
10
9
7
6
3
5
1
2
8