Measurement-computing DataShuttle Manuel d'utilisateur Page 55
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Noté. / 5. Basé sur avis des utilisateurs
DataShuttle and DynaRes
11-13-01
DynaRes - Technical Notes 5-9
Resolution/Scan Rate
Selectable in software:
DynaRes 8/16 Resolution And Scan Rate*
Resolution at Full Scale Scan Rate
low noise mode: 0.0004% 45/55 Hz
16 bits: 0.0015% 200 Hz
15 bits: 0.003 % 300 Hz
14 bits: 0.006 % 500 Hz
13 bits: 0.012 % 700 Hz
12 bits: 0.024 % 900 Hz
* Rates describe an IBM PC 486DX2 66MHz running DASYLab under
Windows 3.1 with Tolerate Error=0. Rates are somewhat faster in faster
computers. Please also see “Dynamic Resolution” on page 3 – 2.
Scan rate is the rate in Hertz (or, samples per second) to read data into memory, including the time it takes
to switch channels and ranges. To calculate the total scan time for all channels, divide the rate by the
number of channels.
Digital I/O Channels
The DynaRes 8/16 has 8 or 16 digital I/O lines, with each line individually selectable as input or output.
These channels are TTL- and MOS- compatible as they come out of the board.
Their outputs sinks are open collector and are 3 milliAmperes; as inputs they draw no current. (Please see
the specifications in your terminal panel owner’s manual for open collector output.)
Counter/Timer
The DynaRes 8/16 has one on-board 16 bit counter/timer with 2 MHz internal clock. The counter timer is
connected to Digital I/O lines 9–12 on Terminal Panel 2 or to CT Gate, CT Out, CT In, and CT Trig on
Terminal Panel 1.
General Conditions
Maximum Voltage on any terminal – 150V
Maximum Current on any terminal – 1A
Auxiliary Power Supplies – +5V, +12V, or -12V, direct from the computer’s power supply. The +6.9V
supply draws it’s current from the +12V supply.
Voltage Maximum Current
+6.9V 20mA
+12V 200mA
+5V 100mA
-12V 200mA
+6.9V Supply Tolerance – ± 5%
· Temperature Coefficient: < 0.0005% per ºC
· Stability: < 0.01 per year
- DataShuttle and DynaRes 1
- Table of Contents 5
- 4 - Installing the DynaRes 6
- 5 - DynaRes - Technical Notes 6
- 8 - Installing the ACAO 7
- Technical Notes 7
- 10 - QuickLog Introduction 7
- Introduction 9
- Data Presentation 10
- Dynamic Resolution 10
- Features and Configurations 11
- DataShuttle Model Variations 12
- DataShuttle-RTD 13
- DataShuttle-TC 14
- DataShuttle-5B 14
- Installing Your DataShuttle 15
- Physical Installation 16
- Printer Installation 17
- Keyboard Adapter Installation 17
- Next Steps 17
- Block Diagram 19
- Auxiliary Components 21
- Power Supplies 22
- Examples 23
- Example 3: Ground loops 24
- &$87,21 25
- Digital Components 26
- Installing Pull-up Resistors 26
- Counter/Timer 27
- If You Need Customer Support 28
- Troubleshooting: Operation 29
- Product Specifications 31
- DataShuttle-16 RTD Accuracy 32
- Analog Input 34
- Digital Input/Output 34
- Analog Output 34
- General Information 35
- Introduction to the DynaRes 3 37
- DynaRes System Requirements 40
- Installing the DynaRes 4 41
- Physical Board Installation 42
- Measuring Current 44
- Setting the Base Address 45
- Changing Hardware Interrupts 46
- DynaRes - Technical Notes 5 47
- Recalibration 49
- EDITCAL Utility 49
- DynaRes 8/16 RTD Accuracy 53
- Stability 54
- Input Impedance 54
- Noise Rejection 54
- Common Mode Range 54
- Input Protection 54
- Resolution/Scan Rate 55
- Digital I/O Channels 55
- General Conditions 55
- Types of Terminal Panels 58
- T71 Terminal Panel 59
- Reference Tables 60
- Digital Auxiliary Components 64
- Troubleshooting Q & A 65
- Installing the ACAO 8 71
- Setting the Switches 73
- Multiple Boards 74
- Single Board 75
- Disabling Board 75
- Setting the Switch 75
- Base Address Settings 77
- 8-8 Installing the ACAO 78
- Overview 79
- Editing Calibration Files 81
- Calibration File Format 82
- Using EDITCAL 83
- EDITCAL Selections 84
- 0 to 10V 0.02% 0.01% 86
- Auxiliary Power Output 87
- QuickLog Introduction 10 89
- Setting Up QuickLog 90
- Specifications 91
- I/O Configuration By Channel 92
- Chart Configuration 92
- File Menu 93
- Edit Menu 93
- Options Menu: General 94
- Options Menu: Inputs 95
- Options Menu: Output Meters 95
- Options Menu: Chart 95
- Chart Menu 96
- Run Menu 96
- Window Menu 96
- Calibration Menu 96
- Help Menu 96
- Applications Primer 12 97
- Sensor Connections 98
- Digital Connections 98
- Applications Primer 12-3 99
- 12-4 Applications Primer 100
- Analog Input & Output 13 101
- Thermocouple Types 103
- Strain Gages 104
- Piezoelectric Sensors 105
- RTD Ranges & Resolution 108
- RTD Accuracy 109
- High Voltage Divider 111
- Voltage Output 111
- Current Output 112
- Digital I/O 14 115
- 14-2 Digital I/O 116
- Digital I/O 14-3 117
- Pulse Counting 118
- Cascaded Counter/Timers 118
- Frequency/Rate Measurement 119
- 14-6 Digital I/O 120
- Appendix A 121
- Glossary 123
- Glossary - 2 124
- Glossary - 3 125
- Glossary - 4 126
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