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The following figure represents the NI PXI-2796 in the dual 6×1 multiplexer topology.
To connect the CHnx terminal to the COMx terminal, disconnect the previously connected terminal from the COMx.
For example, to connect ch1A to comA, call niSwitch_Connect (vi, "ch1A", "comA"). If you now want to connect ch2A to comA, first disconnect the existing connection. The sequence of calls for this task is as follows:
niSwitch_Disconnect (vi, "ch1A", "comA")
niSwitch_Connect (vi, "ch2A", "comA")
|Note All channels are disconnected from COM when the NI PXI-2796 is in its power on state.|