NI PXI-2532 1-Wire 16×32 Matrix Topology

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NI PXI-2532 1-Wire 16×32 Matrix Topology

The NI TB-2642 terminal block creates a 1-wire 16×32 matrix topology with the NI PXI-2532. The following figure represents the NI PXI-2532 in the 1-wire 16×32 matrix topology.

Making a Connection

Both the scanning command, r1->c1;, and the immediate operation, niSwitch Connect Channels VI or the niSwitch_Connect function with parameters r1 and c1, result in the following connection:

signal connected to R1 is routed to C1

Terminal Block Connections

The NI TB-2642 terminal block connects banks of the NI PXI-2532 to create the 1-wire 16×32 matrix topology. The following figure illustrates how the native banks of the NI PXI-2532 connect using the NI TB-2642 to create the 1-wire 16×32 matrix topology.

Bank Connection Diagram

The following table lists the pin assignments for the NI TB-2642 column connection board.

Column Connection Board Column Pin Assignment

Pin Number Column Pin Number Column Pin Number Column Pin Number Column
J3 Pin 1 C0 J3 Pin 9 C8 J3 Pin 17 C16 J3 Pin 25 C24
J3 Pin 2 C1 J3 Pin 10 C9 J3 Pin 18 C17 J3 Pin 26 C25
J3 Pin 3 C2 J3 Pin 11 C10 J3 Pin 19 C18 J3 Pin 27 C26
J3 Pin 4 C3 J3 Pin 12 C11 J3 Pin 20 C19 J3 Pin 28 C27
J3 Pin 5 C4 J3 Pin 13 C12 J3 Pin 21 C20 J3 Pin 29 C28
J3 Pin 6 C5 J3 Pin 14 C13 J3 Pin 22 C21 J3 Pin 30 C29
J3 Pin 7 C6 J3 Pin 15 C14 J3 Pin 23 C22 J3 Pin 31 C30
J3 Pin 8 C7 J3 Pin 16 C15 J3 Pin 24 C23 J3 Pin 32 C31
Note  The column connection board J2 connector is not used in this configuration.

Row Pin Connections

The NI TB-2642 provides two ribbon cable headers for row connection. Use one cable header to connect to your application. Use the other cable header for column expansion.

The following table lists the pin assignments for row connection.

Pin Number Row
1 RO
2 R1
3 R2
4 R3
5 R4
6 R5
7 R6
8 R7
9 R8
10 R9
11 R10
12 R11
13 R12
14 R13
15 R14
16 R15

Pinout

The following figure identifies the pins for the NI PXI-2532.

Caution  Low-voltage pins are reserved for future use. These pins should remain disconnected and isolated from row and column channels when high voltage is present.