Measurement-computing Data Acquisition Systems rev.10.4 Manuel d'utilisateur Page 144
- Page / 366
- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
daqCalSetup
Also See: daqReadCalFile, daqCalConvert,
daqCalSetupConvert
Format
daqCalSetup(handle, nscan, readingsPos, nReadings, chanType, chanGain,
startChan, bipolar, noOffset)
Purpose
daqCalSetup configures the order and type of data to be calibrated.
Parameter Summary
Parameter Type Description
handle DaqHandleT
Handle to the device to be calibrated
nscan DWORD
Number of channels in a single scan
readingsPos DWORD
Position of the readings to be calibrated within the scan
nReadings DWORD
Number of readings to calibrate
chanType DcalType
Type of channel/board from which the readings to be calibrated are
read
chanGain DaqAdcGain
Gain setting of the channels to be calibrated
startChan DWORD
Channel number of the first channel to be converted
bipolar BOOL
If true, the DaqBook/DaqBoard is configured for bipolar readings;
if false, it is configured for unipolar readings
noOffset BOOL
If true, the offset calibration constant will not be used to calibrate
the readings; if false, the offset calibration will be used
Parameter Values
handle: obtained from the daqOpen function
nscan: the number of channels in the scan group configuration (see daqAdcSetScan)
readingsPos: the position of the channels to calibrate within the scan (see daqAdcSetScan)
nReadings: the number of readings to calibrate from 1 to 4,294,967,295; however, memory limitations
may apply
chanType: see table below
chanGain: see ADC Gain Definition table for chanGain parameter definitions
startChan: must be a valid device channel within the scan group definition (see daqAdcSetScan)
bipolar: valid values are either true ( ≠ 0) or false ( = 0)
noOffset: valid values are either true ( ≠ 0) or false ( = 0)
Parameter Type Definitions
chanType-(DcalType)
Definitions Channel Configuration Description
DcalTypeDefault
Any voltage channel Defines a calibration of main unit or expansion channel voltage
DcalTypeCJC
Cold Junction Compensation Channel Defines a calibration of expansion CJC channel for a
thermocouple module or card
DcalTypeBypass
Filter Bypass mode for DBK4 Defines a calibration for DBK4 channel in filter bypass mode
DcalTypeFilter
Filter Cutoff mode for DBK4 Defines a calibration for DBK4 channel in filter cutoff mode
The value for the chantype parameter should be set to DcalTypeCJC (1) when
calibrating a CJC channel of a thermocouple module or card, and DcalTypeDefault (0
)when reading any other channel.
4.3-18 Daq API Command Reference 908494 Programmer’s Manual
- *372195A-01* 1
- How to use this Manual 3
- 908494 Programmer’s Manual 4
- Table of Contents 5
- Introduction 1 7
- Language Support 8
- Driver Installation 9
- 908494 Programmer’s Manual 10
- Data Acquisition Environment 11
- Signal Environment 12
- 988594 Programmer’s Manual 14
- For x% = 0 To 3 30
- 0, 0, x%, bitVal&) 30
- Next x% 30
- Zero Compensation 33
- Linear Conversion 35
- End Sub 36
- Using Multiple Devices 3 37
- Internal Clock Method 40
- Master Clock Method 41
- External Clock Method 43
- Overview 45
- 938395 Programmer’s Manual 46
- Mask and Flag Definitions 50
- 961 962 963 ... 999 59
- 941 942 ... 958 959 960 59
- Raw Data Formats 81
- Setting the Scan Rate 89
- Scan Rate Mode 89
- Scan Rate State 90
- Actual Scan Rate 90
- 94
- DBK16-Read Offset Trimpot 95
- DBK43-Read Offset Trimpot 96
- Typical flags Settings 100
- Settings 101
- Prototypes 102
- Program References 102
- Function Usage 104
- Visual BASIC 105
- Returns 114
- Data Transfer Progress 115
- Example Acquisition States 116
- DazcNone 124
- DazcAutoZero 124
- Parameter Type Description 129
- Definition Description 129
- Purpose 131
- Offset value to apply 142
- Parameter Values 144
- parameters 148
- Parameter Summary 150
- Parameter Type Definitions 150
- Moving Averages 160
- Definition Description 165
- Using Thermocouples (T/Cs) 172
- T/C Gains Settings 173
- Daq/2000 Series devices* 174
- Setting the Output Mode 184
- Buffer Management 201
- DAC0 DAC1 DAC2 DAC3 P3 DO 202
- DAC0 DAC2 P3 DO 202
- Note 1: 206
- Offset for header in bytes 208
- Update Cycle Data Blocks 211
- Update/Sample Data Format 212
- Output From File Operation 212
- DaqBoard/2000c Series 219
- Setting the DAC Value 227
- 908794 Programmer’s Manual 232
- (continued) 249
- DdiProtocolInfo 251
- DdiExtFeatures 251
- Local I/O 262
- Expansion I/O 262
- Local I/O 266
- 957193 Programmer’s Manual 280
- (for 14 sample settings 282
- 2, 4, 8, 16, 32, 64 282
- 128, etc. up to 16384) 282
- Option Value (optionValue) 284
- Counter Mode 285
- 908594 Programmer’s Manual 286
- Set the Excitation Source 289
- DmotWbk14ExcSrcApply 289
- Sets the Dac Offset 290
- Use DC coupling when 290
- Example: 291
- DcovWbk17Mode_Period 295
- DcovWbk17Mode_Pulsewidth 296
- DcovWbk17Mode_Timing 296
- DcovWbk17Mode_Encoder 296
- Setting the Trigger Level 306
- API Error Codes - daqError 319
- A2 - 162 331
- Programmer’s Manual 332
- Appendix A A 333
- 988294 Programmer’s Manual 334
- 939198 Programmer’s Manual 336
- Custom OEM Installation C 337
- WIN 9x/Me WIN NT/2000/XP 338
- WIN 9x/Me and 338
- WIN NT/2000/XP 338
- Installation Locations: 339
- 958293 Programmer’s Manual 340
- 938295 Programmer’s Manual 342
- Format 347
- Time-of-Day Configuration 356
- Glossary 359
- 986896 Programmer’s Manual 360
- 986896 Glossary G-3 361
- 986896 Glossary G-5 363
- 986896 Glossary G-7 365
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