Campbell Scientific CDM-VW300 Series Dynamic Vibrating-Wire Analyzer System - Manual (Page 27)

CDM-VW300 Series Dynamic Vibrating-Wire Analyzers
8. Reconnect 12 Vdc power to the CDM-VW300.
9. Confirm sensor operation.
Reference Section 7.12.1, Sensor Validation.
Two status LED lights are provided on the CDM-VW300 for each sensor
connection. Eight are provided on the CDM-VW305. The following table
lists LED functions and interpretations:
TABLE 6-1. CDM-VW300 Status LED States
Green or red flash at three-second
interval Channel is activated.
Green flash Response received from sensor.
Red flash Diagnostic flags indicate there may
be a problem.
No flash, unlit Channel is not activated.
10. Ensure that frequency readings can be obtained from the sensors.
Reference Section 7.12.2.1, Monitoring with DVWTool Software.
Click Connect on the DVWTool window. Check the box associated with
each channel to which a sensor is connected. If all sensor systems are
operational, the DVWTool main window will appear much as it does in the
following figure:
a. Frequency reading of each sensor will correspond to the
frequency range specified by the sensor manufacturer.
b. No faults are indicated. If faults are indicated (Diagnostic Bits
does not equal 0x00, measurement results are in red type, or cells
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