Campbell Scientific CDM-VW300 Series Dynamic Vibrating-Wire Analyzer System - Manual (Page 9)

Table of Contents
6-1. Laboratory-mode measurement system..............................................11
6-2. 12 Vdc power connection on the CDM-VW300................................12
6-3. USB receptacle on CDM-VW300 and Type-Micro-B connector
of USB cable...................................................................................13
6-4. Sensor connection on a CDM-VW305...............................................16
6-5. Three-wire vibrating-wire sensor connections ...................................16
6-6. Five-wire vibrating-wire sensor connections .....................................16
6-7. Field data-acquisition system .............................................................18
6-8. CPI communications links .................................................................21
6-9. Datalogger to SC-CPI connection ......................................................21
6-10. Connecting the CPI ports of the SC-CPI and CDM-VW300 .............22
6-11. Install CPI bus terminator ..................................................................22
6-12. Power connection ...............................................................................23
6-13. Earth ground connections...................................................................24
7-1. DVWTool Settings Editor and Data Display .....................................28
7-2. DevConfig Settings Editor .................................................................30
7-3. 12 Vdc power transformer for laboratory-mode installation..............31
7-4. USB port on the CDM-VW300..........................................................38
7-5. Three-wire vibrating-wire sensor leads..............................................38
7-6. Three-wire vibrating-wire sensor connection.....................................39
7-7. Five-wire, vibrating-wire sensors leads..............................................39
7-8. Five-wire vibrating-wire sensor connection.......................................40
7-9. SC-CPI and CDM-VW300 CPI ports with RJ45 cable marked
with yellow tape..............................................................................41
7-10. CPI terminator installed .....................................................................41
7-11. Multiple analyzers on a CPI bus ........................................................42
7-12. Installing 12 Vdc transformer on the CDM-VW300..........................43
7-13. Daisy-chaining 12 Vdc power input on the CDM-VW300................43
7-14. Earth ground connections...................................................................44
7-15. CR3000 and SC-CPI connections ......................................................45
7-16. LoggerNet connect screens showing frequencies from
CDM-VW300 .................................................................................50
7-17. RTDAQ screens showing frequencies in Public table.......................51
7-18. Dynamic Vibrating-Wire Tool Box Fault Indicators .........................52
A-1. Timing of dynamic vibrating-wire measurements .......................... A-2
B-1. Connection to the SC-CPI in DevConfig .........................................B-2
C-1. CPI pin assignments.........................................................................C-2
C-2. Long cable lengths of a distributed CPI bus.....................................C-4
D-1. Geokon Calibration Report of a Sensor without a Thermistor ........ D-2
F-1. Temperature measurement error at three temperatures as a
function of lead length. Wire is 22 AWG with 16 ohms per
1000 feet. ...................................................................................... F-2
F-2. Temperature measurement error on a 1000 foot lead. Wire is
22 AWG with 16 ohms per 1000 feet. .......................................... F-3
F-3. Temperature measurement error on a 3000 foot lead. Wire is
22 AWG with 16 ohms per 1000 feet. .......................................... F-3
F-4. Temperature measurement error on a 5000 foot Lead. Wire is
22 AWG with 16 ohms per 1000 feet. .......................................... F-4
Tables
5-1. CDM-VW300 / Datalogger Compatibility...........................................8
5-2. CDM-VW300/305 Sensor Resonant Frequency Range (Hz)...............9
5-3. CDM-VW300/305 Effective Frequency Measurement Resolution 4 ....9
6-1. CDM-VW300 Status LED States.......................................................17
6-2. DVWTool and CRBasic Settings.......................................................19
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