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DMM_E_DMM Invalid DMM number.
Example int id = DM MGetID(0);
DMMGetManDate
SMX2040 ; SMX2042 ; SMX2 044 ;
Description
R emarks
Get Ma nu facturing date stamp from the DMM hardware
"
int DMMGetManDate(int nDmm, int *month, int *day, in t *year)
This function returns the DMM manufacturing date which is read from the hardware.
The month, day and year are returned as integers. This is used to track the DMM to a specific manufactur ing date.
Paramet er Type/Description
nDmm int Identi with zero.
fies the DMM. DMMs are numbered starting
int * A pointer to an integer where the m onth is stored month day
year
int * A pointer to an integer where the day is stored
int * A pointer to an integer where the year is stored
Return Value Integer error code or.
Value Meaning
DMM_OKAY Operation was successful.
DMM_E _DMM Invalid DMM number.
Example int month, day, year, status status = DMMGetManDate(0, &month, &day, &year);
DMMGe tMax
SMX2040 ; SMX2044 ;
Description Get Maximum reading history.
#include "sm204032.h"
Remarks This function returns a double f loating value that is the maximum (of the Min/Max function) value since either a funct ion change, range change or call to the
DMMClearMinMax func tion was made. This is only applicable to Primary read functions (those that are read usi ng DMMRead, DMMReadStr or DMMReadNorm).
This value is updated every time one of those functions is used.
Parameter Type/Description
Signametrics 68
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Table of contents
- 8 1.0 INTRODUCTION
- 10 2.0 SPECIFICATIONS
- 10 2.3.1 AC Voltage True RMS Measurement
- 11 2.3.2 AC Peak-to-Peak Measurement (SMX2044)
- 11 2.3.3 AC Crest Factor Measurement (SMX2044)
- 12 2.3.4 AC Median Value Measurement (SMX2044)
- 13 2.5.1 2-wire and 4-wire
- 13 2.5.2 6-wire Guarded Resistance Measurement (SMX2044)
- 13 (SMX2044)
- 14 2.8.1 Diode Characterization
- 14 2.8.2 Capacitance Measurement (SMX2042, 44)
- 14 2.8.3 Inductance Measurement (SMX2044)
- 14 2.8.4 In Circuit AC-Based Capacitance Measurements (SM2044)
- 15 2.9.1 Threshold DAC
- 15 2.9.2 Frequency and Period Measurement
- 15 2.9.3 Duty Cycle Measurement
- 15 2.9.4 Pulse Width
- 16 2.9.5 Totalizer
- 16 2.10.1 External Hardware Trigger (at DIN-7 connector)
- 16 2.10.2 PXI Bus Hardware Trigger Inputs (at PXI J2)
- 16 2.10.3 PXI Bus Hardware Trigger Output (to PXI J2)
- 16 2.10.4 Analog Threshold Trigger
- 17 (SMX2044)
- 17 2.11.1 DC Voltage Source
- 17 2.11.2 AC Voltage Source
- 17 2.11.3 DC Current Source
- 20 3.0 GETTING STARTED
- 25 4.0 DMM OPERATIONS AND MEASUREMENTS
- 25 4.1.1 DC Voltage Measurements
- 26 4.1.2 True RMS AC Voltage Measurements
- 26 4.1.3 AC Peak-to-Peak and Crest Factor Measurement (SMX2044)
- 27 4.1.4 AC Median Value Measurement (SMX2044)
- 27 4.2.1 Improving Current Measurements
- 28 4.2.2 Low Level DC Current Measurements
- 28 4.2.3 Extended DC Current Measurements (SM2044)
- 28 4.3.1 2-wire Ohm Measurements
- 28 4.3.2 4-wire Ohm Measurements
- 29 4.3.3 Using Offset Ohms function
- 29 4.3.4 6-wire Guarded Resistance Measurement (SMX2044)
- 30 4.3.5 Leakage Measurements (SMX2044)
- 31 4.3.6 Extended Resistance Measurements (SMX2044)
- 32 4.3.7 Effects of Thermo-Voltaic Offset
- 33 4.3.8 Guarding High Value Resistance Measurements (SMX2044)
- 33 (SMX2044)
- 35 4.11.1 External Hardware Trigger
- 36 4.11.2 Analog Threshold Trigger
- 36 4.11.3 Software Issued Triggered Operations
- 36 4.11.4 Using the PXI bus Trigger Facilities
- 37 4.12.1 Threshold DAC
- 38 4.12.2 Frequency and Period Measurements
- 39 4.12.3 Duty Cycle Measurement
- 39 4.12.4 Pulse Width
- 39 4.12.5 Totalizer Event Counter
- 40 (SMX2044)
- 40 4.13.1 DC Voltage Source
- 41 4.13.2 AC Voltage Source
- 41 4.13.3 DC Current Source
- 41 4.13.4 Source Current - Measure Voltage
- 42 (SMX2044)
- 43 4.15.1 Triggering the SMX2040 DMMs
- 44 4.15.2 Multiplexing with the SMX2040 DMMs
- 44 4.15.3 Interface Commands and Timing
- 47 5.1.1 The SM40CAL.DAT file
- 48 Multiple Card Operations Under Windows
- 50 5.3.1 Visual Basic Simple Application
- 52 DMMArmAnalogTrigger
- 53 DMMArmTrigger
- 54 DMMBurstBuffRead
- 55 DMMBurstRead
- 56 DMMCalibrate
- 56 DMMCleanRelay
- 57 DMMClearMinMax
- 57 DMMClosePCI
- 58 DMMDelay
- 58 DMMDisableTrimDAC
- 59 DMMDisArmTrigger
- 59 DMMDutyCycleStr
- 60 DMMErrString
- 60 DMMFrequencyStr
- 62 DMMGetACCapsR
- 62 DMMGetBusInfo
- 63 DMMGetCalDate
- 63 DMMGetdB
- 64 DMMGetdBStr
- 64 DMMGetCJTemp
- 65 DMMGetDeviation
- 66 DMMGetDeviatStr
- 66 DMMGetFuncRange
- 67 DMMGetFunction
- 67 DMMGetGrdVer
- 68 DMMGetHwVer
- 68 DMMGetID
- 69 DMMGetManDate
- 69 DMMGetMax
- 70 DMMGetMaxStr
- 70 DMMGetMin
- 71 DMMGetMinStr
- 71 DMMGetRange
- 72 DMMGetRate
- 72 DMMGetSourceFreq
- 73 DMMGetTCType
- 73 DMMGetType
- 74 DMMGetVer
- 74 DMMInit
- 75 DMMIsAutoRange
- 76 DMMIsInitialized
- 76 DMMIsRelative
- 77 DMMLoadCalFile
- 78 DMMOpenPCI
- 78 DMMOpenCalACCaps
- 79 DMMOpenTerminalCal
- 79 DMMPeriodStr
- 81 DMMPolledRead
- 81 DMMPolledReadCmd
- 82 DMMPolledReadStr
- 82 DMMRead
- 83 DMMReadBuffer
- 84 DMMReadBufferStr
- 84 DMMReadCJTemp
- 85 DMMReadCrestFactor
- 86 DMMReadDutyCycle
- 86 DMMReadFrequency
- 87 DMMReadFrequencyStr
- 88 DMMReadInductorQ
- 88 DMMReadMeasurement
- 89 DMMReadMedian
- 89 DMMReadNorm
- 90 DMMReadPeakToPeak
- 90 DMMReadPeriod
- 91 DMMReadStr
- 92 DMMReadTotalizer
- 93 DMMReadWidth
- 93 DMMReady
- 94 DMMSetACCapsDelay
- 94 DMMSetACCapsLevel
- 95 DMMSetACVSource
- 96 DMMSetAutoRange
- 96 DMMSetBuffTrigRead
- 97 DMMSetCapsAveSamp
- 98 DMMSetCJTemp
- 99 DMMSetCompThreshold
- 99 DMMSetCounterRng
- 100 DMMSetDCISource
- 100 DMMSetDCVSource
- 101 DMMSetExternalShunt
- 102 DMMSetFuncRange
- 102 DMMSetFunction
- 103 DMMSetInductFreq
- 103 DMMSetOffsetOhms
- 104 DMMSetRange
- 104 DMMSetRate
- 105 DMMSetRelative
- 107 DMMSetResistance
- 107 DMMSetRTD
- 108 DMMSetSensoreParams
- 108 DMMSetSourceMode
- 109 DMMSetSynchronized
- 110 DMMSetTCType
- 110 DMMSetTempUnits
- 111 DMMSetTrigRead
- 112 DMMSetTrimDAC
- 112 DMMStartTotalizer
- 114 DMMStopTotalizer
- 114 DMMTerminate
- 115 DMMTrigger
- 115 DMMWidthStr
- 116 SetACCapsFreq
- 117 6.0 MAINTENANCE
- 126 7.0 WARRANTY AND SERVICE
- 126 8.0 ACCESSORIES