Measurement-computing DataShuttle Manuel d'utilisateur télécharger pdf (Page 113)

DataShuttle and DynaRes

11-12-01

Analog Input & Output 13-13

For currents other than 4-20mA, use the connection of Figure 13-9d. The channel must be set to output

voltage. The current at zero percent output will be zero. The current at 100 percent output is determined

by resistor R1, the load resistance, and the voltage range. To calculate R1 first determine the resistance of

the load, RL, from its specifications. The maximum current, I, is determined by the formula below.

Imax = Vmax

(RL + R1)

Figure 13-9. Current Output

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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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Measurement-computing DataShuttle Manuel d'utilisateur Page 113

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