NI PXI-2521 40-DPST Topology

NI Switches Help

Edition Date: April 2015

Part Number: 375472H-01

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The following figure represents the NI PXI-2521 in the 40-DPST topology.

Making a Connection

You can control the channels using the niSwitch Connect Channels VI or the niSwitch_Connect function.

For example, to close the relay of channel 2, call niSwitch_Connect(vi, "ch2", "com2"). To open the relay of channel 2, call niSwitch_Disconnect(vi, "ch2", "com2").

When scanning the NI PXI-2521, a typical scan list entry could be ch2->com2;. This entry closes the relay between CH2 and COM2.

Pinout

The following figure identifies the pins for the NI PXI-2521 in the 40-DPST topology.