niDMM_self_test
ViStatus = niDMM_self_test(ViSession Instrument_Handle, ViInt16 *Self_Test_Result, ViChar Self_-_Test_Message[])
Purpose
Performs a self-test on the DMM to ensure that the DMM is functioning properly. Self-test does not calibrate the DMM.
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Note This function calls niDMM_reset, and any configurations previous to the call will be lost. All attributes will be set to their default values after the call returns. |
Parameters
| Input | ||||
| Name | Type | Description | ||
| Instrument_Handle | ViSession | Identifies a particular instrument session. You obtain the Instrument_Handle parameter from niDMM_init or niDMM_InitWithOptions. The default is None. | ||
| Output | ||||
| Name | Type | Description | ||
| Self_Test_Result | ViInt16* | Contains the value returned from the instrument self-test. Zero indicates success.
On the NI 4070/4072, the error code 1013 indicates that you should check the fuse and replace it, if necessary.
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| Self_-_Test_Message | ViChar[ ] | This parameter contains the string returned from the instrument self-test. The array must contain at least 256 elements.
For the NI 4050 and NI 4060, the error codes returned for self-test failures include the following:
These error codes indicate that the DMM should be repaired. For the NI 4070/4071/4072, the error code returned for a self-test failure is NIDMM_ERROR_SELF_TEST_FAILURE. This error code indicates that the DMM should be repaired. |
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Return Value
| Name | Type | Description |
| Status | ViStatus | Reports the Status of this operation. To obtain a text description of the status code, call niDMM_error_message. To obtain additional information concerning the error condition, use niDMM_GetError. |