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V-Link® -LXRS® Wireless Sensor Node User Manual
5.6 Pin Descriptions
25
5.7 Differential Input Channels
26
5.7.1 Differential Input Gain and Offset
27
5.7.2 Differential Sensors
29
5.7.3 Measuring Small Voltages
31
5.8 Single Ended Input Channels
6.
7.
32
5.8.1 0 to 3VDC Voltage Measurements
33
5.8.2 Measuring Voltages over Three Volts
34
5.8.3 Measuring Small Currents (4 to 20mA Sensors)
35
5.9 Using the Excitation Output as a Switch
36
5.10 Thermocouples
36
5.11 Connecting Accelerometers
37
5.12 On-board Temperature Sensor
37
5.13 Sensor Calibration
38
Powering the Node
39
6.1 Selecting the Power Source
39
6.2 Using the Internal Node Battery
41
6.3 Charging the Node Battery
42
6.4 Connecting an External Power Supply
43
Troubleshooting
44
7.1 Troubleshooting Guide
44
7.2 Device Status Indicators
48
7.3 Using the Node Tester Board
49
7.4 Updating Node Firmware
57
Document 8500-0006 Version A