RFSA C Reference

niRFSA_ConfigurePXIChassisClk10

  • Updated2025-02-03
  • 2 minute(s) read

niRFSA_ConfigurePXIChassisClk10

ViStatus niRFSA_ConfigurePXIChassisClk10(ViSession vi, ViConstString pxiClk10Source);

Purpose

Specifies the signal to drive the 10 MHz Reference Clock on the PXI backplane. This option can be configured only when the PXI-5600 is installed in the Star Trigger Controller Slot, also known as the System Timing Slot, of the PXI chassis.

Supported Devices: PXI-5600 (external digitizer mode), PXI-5661

Related Topics

System Reference Clock

Parameters

Input
Name Type Description
vi ViSession Identifies your instrument session. vi is obtained from the niRFSA_init or niRFSA_InitWithOptions function.
pxiClk10Source ViConstString Specifies the signal to drive the 10 MHz Reference Clock on the PXI backplane. This option can only be configured when the PXI-5600 is in Slot 2 of the PXI chassis.

NIRFSA_VAL_NONE_STR ("None") The device does not drive the PXI 10 MHz backplane Reference Clock.
NIRFSA_VAL_ONBOARD_CLOCK_STR ("OnboardClock") The device drives the PXI 10 MHz backplane Reference Clock with the PXI-5600 onboard clock. You must connect the 10 MHz OUT connector to the PXI 10 MHz I/O connector on the PXI-5600 front panel to use this option.
NIRFSA_VAL_REF_IN_STR ("RefIn") The device drives the PXI 10 MHz backplane Reference Clock with the reference source attached to the PXI-5600 REF IN connector. You must connect the 10 MHz OUT connector to the PXI 10 MHz I/O on the PXI-5600 front panel to use this option.

Return Value

Name Type Description
status ViStatus Returns the status code of this operation. The status code either indicates success or describes an error or warning condition. Examine the status code from each call to an NI-RFSA function to determine if an error has occurred.

To obtain a text description of the status code and additional information about the error condition, call the niRFSA_GetError function. To clear the error information from NI-RFSA, call the niRFSA_ClearError function.

The general meaning of the status code is as follows:

Value Meaning
0 Success
Positive Values Warnings
Negative Values Errors

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