2-Wire 8x16 Matrix

Module software name: 2529/2-Wire 8x16 Matrix (NISWITCH_TOPOLOGY_2529_2_WIRE_8X16_MATRIX)

Hardware Diagram

Making a Connection

In this topology, you can connect any row to any column. When connecting signals to r1, you would connect them to R1+ and R1– in the terminal block. When connecting signals to c0, you would connect them to C0+ and C0– in the terminal block.

Connect the channels using the niSwitch Connect Channels VI or the niSwitch_Connect. For example, to connect row 1 to column 1, call the niSwitch Connect Channels VI or the niSwitch_Connect function with the channel 1 parameter set to r1 and the channel 2 parameter set to c1.

When scanning the module in 8×16 matrix topology, a typical scan list entry could be r5->c1;. This entry routes the signal connected to row 5 to column 1.

Terminal Block Connections

The following table lists the module pins that the NI TB-2635 terminal block shorts and the column connections created. If you do not use the NI TB-2635 terminal block, short the pins externally to achieve a 2-wire 8×16 matrix topology. Refer to the module pinout for pin locations.

The following table lists the module pins and their associated row connection.