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4 Measurement Tutorials
Combining Matrices
You can combine two or more matrix switches to provide more complex switching. For example, the DAQM904A
provides a 4-row by 8-column matrix. You can combine two of these modules as either a 4- row by 16-column
matrix or an 8-row by 8-column matrix.
Make sure to use external wiring whenever you connect:
Rows in Matrix 1 of separate modules
l
Rows in Matrix 1 to rows in Matrix 2 on the same or separate modules
l
Columns of two matrices on the same or separate modules
l
From a programming standpoint, each matrix module operates as an independent module regardless of the external
connections. When combining the modules, the channel numbering scheme remains the same as for single
modules. Below are the simplified schematics of how to extend the rows and columns.
An 8x8 matrix is shown below:
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Keysight DAQ970A/DAQ973A User's Guide
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