Datasheet
Table Of Contents
- XTR108EVM-USB Evaluation Board and Software Tutorial
- 1 Overview
- 2 Hardware Overview
- 3 Hardware Setup
- 3.1 Electrostatic Discharge Warning
- 3.2 Connecting the Hardware
- 3.3 Connecting Power and USB to the USB DAQ Platform
- 3.4 Connecting Loop Power Supply to the XTR108EVM-USB Interface Board
- 3.5 Connecting Outputs to a Digital Multimeter (DMM)
- 3.6 USB DAQ Platform Default Jumper Settings
- 3.7 XTR108EVM-USB Interface Board Default Jumper Settings
- 3.8 XTR108EVM-USB Sensor Board Default Jumper Settings
- 4 Software Setup
- 5 Software Overview
- 6 General Operating Tips
- 7 Hardware Documentation
- 8 Appendix
- Important Notices
Software Overview
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Table 23. Overscale Threshold
I
O
Overscale
V
O
Overscale Threshold
OS3 OS2 OS1 OS0 Threshold R
VI
= 6.34 kΩ
0 0 0 0 2.625 V 20.7 mA
0 0 0 1 2.6875 V 21.2 mA
0 0 1 0 2.75 V 21.7 mA
0 0 1 1 2.8125 V 22.2 mA
0 1 0 0 2.875 V 22.7 mA
0 1 0 1 2.9375 V 23.2 mA
0 1 1 0 3.0 V 23.7 mA
0 1 1 1 3.0625 V 24.2 mA
1 0 0 0 3.125 V 24.6 mA
1 0 0 1 3.1875 V 25.1 mA
1 0 1 0 3.25 V 25.6 mA
1 0 1 1 3.3125 V 26.1 mA
1 1 0 0 3.375 V 26.6 mA
1 1 0 1 3.4375 V 27.1 mA
1 1 1 0 3.5 V 27.6 mA
1 1 1 1 3.5625 V 28.1 mA
Table 24. Underscale Threshold
I
O
Underscale
V
O
Underscale Threshold
US2 US1 US0 Threshold R
VI
= 6.34 kΩ
0 0 0 450 mV 3.55 mA
0 0 1 425 mV 3.35 mA
0 1 0 400 mV 3.15 mA
0 1 1 375 mV 2.96 mA
1 0 0 350 mV 2.76 mA
1 0 1 325 mV 2.56 mA
1 1 0 300 mV 2.37 mA
1 1 1 275 mV 2.17 mA
30
XTR108EVM-USB Evaluation Board and Software Tutorial SBOU123–March 2012
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