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User Manual SPA Snow Pack Analyser
V01.03, V03.28, November 2010
Table of contents
Table of contents ........................................................................................................................................... II
1. General information.................................................................................................................................... 1
1.1. Principle of measurement.................................................................................................................... 1
1.2. Measurement parameters ................................................................................................................... 1
2. Hardware ................................................................................................................................................... 2
2.1. SPA-sensors ....................................................................................................................................... 2
2.2. Correction length sensor ..................................................................................................................... 2
2.3. Snow depth sensor ............................................................................................................................. 2
2.4. Control unit IA-SPA ............................................................................................................................. 2
2.5. Data logger MDL (optional).................................................................................................................. 2
2.6. Installation framework ......................................................................................................................... 2
3. Installation.................................................................................................................................................. 3
3.1. Measurement site................................................................................................................................ 3
3.2. Framework.......................................................................................................................................... 3
3.3. Snow depth sensor ............................................................................................................................. 3
3.4. Sloping SPA-sensor ............................................................................................................................ 4
3.5. Correction length sensor ..................................................................................................................... 4
3.6. Horizontal SPA-sensors ...................................................................................................................... 5
3.7. Housing .............................................................................................................................................. 5
3.8. Power supply ...................................................................................................................................... 5
3.9. Summary ............................................................................................................................................ 5
4. Implementation on Start-up ........................................................................................................................ 6
4.1. Capacitance of SPA-sensor................................................................................................................. 6
4.2. Geometric parameters......................................................................................................................... 6
4.3. Snow depth measurement................................................................................................................... 7
4.4. Length correction of sloping SPA-sensor ............................................................................................. 7
4.5. Measurement interval.......................................................................................................................... 7
4.6. Data output ......................................................................................................................................... 7
4.7. Summary ............................................................................................................................................ 7
5. Parameterization ........................................................................................................................................ 8
5.1. Connection establishment via terminal................................................................................................. 8
5.1.1. Local communication..................................................................................................................... 8
5.1.2. Communication via ComWin.......................................................................................................... 8
5.1.3. Connection affirmation................................................................................................................... 8
5.2. Main Menu .......................................................................................................................................... 9
5.3. Description of the parameters.............................................................................................................. 9
1 Device identifier ................................................................................................................................ 9
2 Meas. Interval ................................................................................................................................... 9
3 Output time....................................................................................................................................... 9
4 RS232 output.................................................................................................................................. 10
5 RS232 settings ............................................................................................................................... 11
6 Analog input.................................................................................................................................... 12
7 SPA parameter ............................................................................................................................... 13
8 Sensor_ .......................................................................................................................................... 14
I Info.................................................................................................................................................. 15
/ Total Info ......................................................................................................................................... 15
W Default .......................................................................................................................................... 15
X Exit................................................................................................................................................. 15
6. Data output .............................................................................................................................................. 16
6.1. Protocol values ................................................................................................................................. 16
6.2. Standard protocol.............................................................................................................................. 17
6.3. MIO Protocol ..................................................................................................................................... 17
7. Base settings and default values .............................................................................................................. 18
8. Connection diagram ................................................................................................................................. 19
8.1. Overview........................................................................................................................................... 19
9. Technical data.......................................................................................................................................... 20
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