Measurement Computing Personal Daq rev.6.0 - Manual (Page 164)

B-32 API Commands Appendix B, 887095 Personal Daq User’s Manual
Table 7. ADC Miscellaneous Definitions
ADC Flag Definitions - daqAdcFlag
Analog/High Speed Digital Flag Single Ended/Differential Flag Single-Ended Channel Flag
DafAnalog 00h DafSingleEnded 00h DafSingleEndedLow 0000h
DafScanDigital * 01h DafDifferential 08h DafSingleEndedHigh 1000h
Measurement Durations Digital/Frequency Channel Types Thermocouple Types
DafMeasDuration610 000000h DafDioDirect * 00000h DafTcTypeJ 080h
DafMeasDuration370 100000h DafCtrPulse * 20000h DafTcTypeK 100h
DafMeasDuration310 200000h DafCtrTotalize * 40000h DafTcTypeT 180h
DafMeasDuration130 300000h DafCtrFreq * 80000h DafTcTypeE 200h
DafMeasDuration110 400000h DafCtrDutyLo * 100000h DafTcTypeN 280h
DafMeasDuration40 500000h DafCtrDutyHi * 200000h DafTcTypeS 380h
DafMeasDuration20 600000h DafTcTypeR 400h
DafMeasDuration12_5 700000h DafTcTypeB 480h
Frequency vs Period –
daqAdcRateMode ADC Acquisition Mode Definitions -
daqAdcAcqMode ADC Transfer Mask Definitions -
daqAdcTransferMask
DarmPeriod 0 DaamNShot 0 DatmCycleOff 00h
DarmFrequency 1 DaamNShotRearm 1 DatmCycleOn 01h
DaamInfinitePost 2 DatmUpdateBlock 00h
DaamPrePost 3 DatmUpdateSingle 02h
DatmUserBuf 00h
DatmSavePreTrig 20h
DatmIgnoreOverruns 10h
DatmDriverBuf 08h
ADC Clock Source Definitions
daqAdcClockSource ADC File Open Mode Definitions
daqAdcOpenMode ADC Acquisition/Transfer Active Flag Definitions
daqAdcActiveFlag
DaomAppendFile 0 DaafAcqActive 01h
DaomWriteFile 1 DaafAcqTriggered 02h
DaomCreateFile 2 DaafTransferActive 04h
ADC Acquisition State -
daqAdcAcqState ADC Buffer Transfer Mask -
daqAdcBufferXferMask ADC Filter Type -
daqAdcSetFilter
DaasPreTrig 0 DabtmWait 00h daftSWAvg 1
DaasPostTrig 1 DabtmRetAvail 02h
DabtmNoWait 04h
DabtmRetNotDone 08h
DabtmPreTrigBlock 10h
Table 8. Setting Options
optionType
DcotpdaqRising 0 Sets the rising flag for the Pulse Channel
DcotpdaqDebounceTime 1 Sets the debounce time for the Freq/Pulse Channel
DcotpdaqMinFreq 2 Sets the min freq range for the Freq Channel
DcotpdaqMaxFreq 3 Sets the max freq range for the Freq Channel
DcotpdaqPulses 4 Sets the specified Freq/Pulse channel as Pulse Count
DcotpdaqFreqRes 5 Sets the resolution of the Freq Channel
DcotpdaqRunningCal 7 Sets the running calibration flag for the system
DcotpDaqOverrangeProtect 8 Enables the over range protection mode
optionValue
DcovEdgeRising * 00h Sets the edge sensing to rising for the Pulse/Freq Channel
DcovDutyHigh * 02h Sets the Pulse Channel to Duty Cycle High
DcovEdgeFalling * 08h Sets the edge sensing to falling for the Pulse/Freq Channel
DcovDutyLow * 0Ah Sets the Pulse Channel to Duty Cycle Low
DcovPulseTotalize * 10h Sets the Pulse Channel to Totalize
DcovPulseCount * 00h Sets the Channel as Pulse Count (Default)
Debounce Settings
DcovDebounce0 * 00h Set Debounce to 0 us for the Pulse/Freq channel
DcovDebounce600 * 01h Set Debounce to 600 us for the Pulse/Freq channel
DcovDebounce2500 * 02h Set Debounce to 2500 us for the Pulse/Freq channel
DcovDebounce10000 * 03h Set Debounce to 10000 us for the Pulse/Freq channel
* Note: The Asterisks in the preceding tables indicate that the definitions do not apply to Personal Daq/54 .