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The following figure represents the NI PXI-2597 in the 6×1 terminated multiplexer topology.
|Caution The terminators on the NI PXI-2597 are rated for 1 W average power at 25 °C, with power on all terminators not to exceed 3 W. Terminators cannot withstand the full rated power of the NI PXI-2597.|
To connect the CHx terminal to the COM terminal, disconnect the previously connected terminal from the COM.
For example, to connect ch1 to com, call niSwitch_Connect (vi, "ch1", "com"). If you now want to connect ch2 to com, first disconnect the existing connection. The sequence of calls for this task is as follows:
niSwitch_Disconnect (vi, "ch1", "com")
niSwitch_Connect (vi, "ch2", "com")
|Note Any input channel not connected to COM is connected to its associated 50 Ω terminator.|
|Note All channels are disconnected from COM when the NI PXI-2597 is in its power on state.|
When scanning the NI PXI-2597, a typical scan list entry could be ch2->com;. This entry routes signal connected to ch2 to com.