Measurement-computing Data Acquisition Systems rev.10.4 Manuel d'utilisateur Page 101
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- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
Desired
Channel
Configuration
Flag1 Flag2 Flag3 Notes
Counter (32-bit-
Low) Local P3
DafCtr32Low DafCtrPulse DafCtrRisingEdge
(Default)
Configures low word of 32-bit
counter on P3 for pulse counting
on rising edge of signal. Must be
paired with a 32-bit counter high
word
Counter (32-bit-
High) Local P3
DafCtr32High DafCtrPulse DafCtrRisingEdge
(Default)
Configures high word of 32-bit
counter on P3 for pulse counting
on rising edge of signal. Must be
paired with a 32-bit counter high
word
Counter (32-bit-
Low) Local P3
DafCtr32Low DafCtrTotalize DafCtrFallingEdge
Configures low word of 32-bit
counter on P3 for totalizing on
falling edge of signal. Must be
paired with a 32-bit counter high
word
Counter (32-bit-
High) Local P3
DafCtr32High DafCtrTotalize DafCtrFallingEdge
Configures high word of 32-bit
counter on P3 for totalizing on
falling edge of signal. Must be
paired with a 32-bit counter high
word
Counter (32-bit-
Low) Local P3
DafCtr32Low DafCtrPulse DafCtrFallingEdge
Configures low word of 32-bit
counter on P3 for pulse counting
on falling edge of signal. Must
be paired with a 32-bit counter
high word
Counter (32-bit-
High) Local P3
DafCtr32High DafCtrPulse DafCtrFallingEdge
Configures high word of 32-bit
counter on P3 for pulse counting
on falling edge of signal. Must be
paired with a 32-bit high
For digital and counter channel flags definitions, the corresponding element in the gains array will be
ignored. Those flag settings who are marked as default will take on the default value if not explicitly set.
Other
flags Settings
There are additional flags that can be added to any flags construct for more specific channel configurations:
Desired
Channel
Configuration
Flag Notes
Unsigned Data
Representation
DafUnsigned
(Default)
Data returned for channel ranges from 0 to 65,535
Signed Data
Representation
DafSigned
Data returned for channel ranges from –32,768 to +32,767
5 µs Sampling
Interval *
DafSettle5us
(Default)
Sets the sampling interval for the channel to 5 µs
10 µs Sampling
Interval *
DafSettle10us
Sets the sampling interval for the channel to 10 µs
1000 µs
(1 ms) Sampling
Interval *
DafSettle1ms
Sets the sampling interval for the channel to 1000 µs, (1 ms)
Ignore least
significant 4-bits
DafIgnoreLSNibble
(Default)
The least significant 4-bits represents a channel tag on a 12 bit device and
should be ignored (DaqBook/DaqBoard/1xx series products only)
Clear least
significant 4-bits
DafClearLSNibble
The least significant 4-bits will be set to 0
Shift least
significant 4-bits
DafShiftLSNibble
The least significant 4-bits will be shifted left by 4 places (making a 12-bit
number into a 16-bit number) (DaqBook/DaqBoard/1xx series products
only)
* Channel configurations for 5 µs, 10 µs and 1000 µs do not apply to DaqBoard/500 Series devices.
Programmer’s Manual 908594 Daq API Command Reference 4.2-45
- *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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