niDMM_configureMulitPoint problem

[Cimteker]

Hi,

My software : NI-DMM 2.5, NI-SWITCH 3.0.49161, NI-DAQmx 8.0.0f0, NI-VISA 3.4, VC++ 2005 Express.

My hardware : PCI 4070, SCXI1000, 2 SCXI1127, SH9MD-AUX cable and SCXI 1359 kit.

I am trying to implement synchronous scanning betweem DMM and SCXI. This code:

status=niDMM_ConfigureMultiPoint( viDVM

,iSampleCount,1,NIDMM_VAL_INTERVAL, 0.1 );

niDMM_GetAttributeViReal64( viDVM, VI_NULL, NIDMM_ATTR_SAMPLE_INTERVAL, &dInterval);

MyPrintf("Read Interval I: %.2lf", dInterval );

..produces value of -1.( dInterval)

It seems to be scanning my 16 channels fine, but I cannot force the DMM to wait to allow for the time needed for the switch to activate and settle. The speed is purely driven by DMM's integration time. If I set it very fast I am pretty sure there's not enough time for the switch to switch and settle ( 10 ms? ).

Any help will be appreciated,

Thank you,

Jerry.

[JasonSmith]

It seems that you may have already answered this question as you have created another post regarding handshaking between your switch and DMM.  I am going to address this issue in the other discussion, found at the link below:

Handshaking Scanning with PCI DMM and SCXI


Jason S.
Applications Engineer
National Instruments

[Cimteker]

Yes, this problem is solved,

Thank you,

Jerry