Agilent Technologies Switch/Measure manual Linking Multiple Matrix Modules

5Matrix Switch Modules

Linking Multiple Matrix Modules

You can link multiple matrix modules to form a larger matrix. The following two drawings show two- module connections through rows and columns.

Wiring Multiple 34931A or 34932A Modules

With a 34931A you can combine two matrices to form 8x8 (connecting columns) or 4x16 (connecting rows) configurations. Using two 34932A matrices on a 34932A module, you can create 16x8 (connecting columns) or 4x32 (connecting rows) configurations.

You can connect rows in separate modules using external wiring. Or, using Bank 2 matrices, you can connect through the mainframe Analog Buses. For a clear idea of how matrices are arranged and their connections to the Analog Buses, see the simplified schematics on page 145 (34931A) and page 150 (34932A).

You must use external wiring whenever you connect:

•Rows in Matrix 1 of separate modules

•Rows in Matrix 1 to rows in Matrix 2 on the same or separate modules

•Columns of two matrices on the same or separate modules

You can expand upon these two- module configurations and add up to eight modules to design your own large matrices. From a programming standpoint, each matrix module operates as an independent module regardless of the external connections. When linking modules, the channel numbering scheme remains the same as for single modules.

Wiring Multiple 34933A Modules

You can connect matrices on the 34933A module in a similar fashion to the 34931A. However, the presence of in- rush resistors on the Analog Buses and columns require additional consideration, and you must take care when linking multiple 34933A matrix modules. See the simplified schematics on page 155 and page 159.

142 34980A User’s Guide