GFZ DiGOS Omnirecs DATA-CUBE3 Series User Manual Download | Manualshive

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DATA-CUBE³

User Manual

Doc.:

DATA-CUBE-User-Manual

Issue:

1.3

Date:

15-May-2020

© DiGOS Potsdam GmbH

Page 14 / 24

8.

ADC Performance

The ADC performance is given for 100sps operation mode.

Gain 1

Gain 16

Gain 64

High Resolution SNR

125.6 dB

122.2 dB

113.5 dB

Effective Bits

22.4 Bit

21.8 Bit

20.3 Bit

Low Resolution SNR

122.6 dB

120.7 dB

113.0 dB

Effective Bits

21.9 Bit

21.5 Bit

20.2 Bit

Noise:

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12
13
14
15
16
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Summary of Contents for DiGOS Omnirecs DATA-CUBE3 Series

Page 1: ...GmbH http digos eu info digos eu Doc DATA CUBE User Manual Issue 1 3 Date 15 May 2020 DiGOS Potsdam GmbH Page 1 24 Seismic Data Recorder DATA CUBE User Manual DiGOS Potsdam GmbH Telegrafenberg 14473 P...

Page 2: ...Cables 8 3 5 Geophones 9 3 6 Mass Data Download 9 3 7 Batteries Power Supply 9 4 Pin out 10 5 Power Budget examples 11 6 Recording Times Data Storage 12 7 Counts and Voltage 13 8 ADC Performance 14 9...

Page 3: ...otsdam until 2011 later enhanced and introduced to the international market by Omnirecs now produced and distributed by DiGOS The DATA CUBE is a great candidate for different seismologic applications...

Page 4: ...A CUBE Type 1 int Features Internal GPS antenna located under top cover Internal power supply 2x D cells for up to 2 weeks operation or external power supply Typical applications Active seismic measur...

Page 5: ...Types In the past some users required special versions of the DATA CUBE with different configurations As an example the following modified types have been manufactured in medium large quantities DATA...

Page 6: ...Tools Software package to convert recorded raw data into SEG Y or miniSEED format Availa ble for Windows and Linux State of Health routine Used to retrieve live state of health data during the measure...

Page 7: ...breakout boxes are custom made by DiGOS according to the sensor output signal specification Addi tionally the breakout box can be manufactured with the correct connector for the sensor or a correspon...

Page 8: ...puter via USB to enable ac cess to the internal storage Please note Recording of the DATA CUBE stops automatically when connecting this cable For data post processing it is important to have a GPS fix...

Page 9: ...mes with a powered USB 3 0 hub and Windows Linux software The software detects when a DATA CUBE is connected to the PCD and automatically starts downloading the recorded data to a preconfig ured direc...

Page 10: ...Input Ch2 Input Ch2 Input Ch3 Input Ch3 Input NC Analogue GND NC NC Color white brown green yellow grey pink blue red purple black Axis vertical north south east west 7 way socket male USB Terminal Ex...

Page 11: ...capacity 39 6Wh DATA CUBE type 1 measuring only 1 channel 100sps GPS Cycle GPS on GPS on GPS off Sum Runtime F_TIME GPS_TI duration duration power duration Min min min h min h mW days 15 5 20 40 114 1...

Page 12: ...annel 800 sps 1 3 kB s 3 5 kB s 78 kB min 208 kB min 4 68 MB h 12 48 MB h 112 32 MB d 300 MB d The maximum continuous recording time is estimated from the data above 3 channels 1 channel 100 sps 200 s...

Page 13: ...t for different gains Gain Volts per count 1 244 140625 nV 2 122 070313 nV 4 61 035156 nV 8 30 517578 nV 16 default 15 258789 nV 32 7 629395 nV 64 3 814697 nV This represents the value at the input si...

Page 14: ...H Page 14 24 8 ADC Performance The ADC performance is given for 100sps operation mode Gain 1 Gain 16 Gain 64 High Resolution SNR 125 6 dB 122 2 dB 113 5 dB Effective Bits 22 4 Bit 21 8 Bit 20 3 Bit Lo...

Page 15: ...ectly followed by an equal sign The parameter value starts at column 8 Line length is limited to 70 characters Parameters for 3 channel Cubes only Active Channels 1 ch1 2 ch1 ch2 3 ch1 to ch3 CH_NUM 3...

Page 16: ...recommended to use this mode only if the capacity of the batteries is still suffcient The response is unchanged compared to the low power mode Amplifier Chopper The chopper amplifier hacks the signal...

Page 17: ...oper resampling in the post pro cessing 9 3 Field Installation DATA CUBE Type 1 Insert the batteries into the battery compartment and check for correct polarity Connect the sensor with the upper left...

Page 18: ...check the function of the DATA CUBE and to see the current noise you can connect the black monitor cable and connect it to a laptop The software CubeMonitor will show the live data which is recorded...

Page 19: ...e 15 May 2020 DiGOS Potsdam GmbH Page 19 24 Connect the devices and wait until red blue LEDs are blinking synchronously Do not place the magnetic GPS antenna Type 2 only on the DATA CUBE The component...

Page 20: ...B cable can be connected for downloading data In post processing with the CubeTools cube2mseed performs a resampling of the data with the first and last GPS fix This is based on a linear clock drift D...

Page 21: ...r Buffer overrun format the SD card 9 5 Monitoring The CubeMonitor software allows a live view of the sensor data for noise monitoring and verification of a DATA CUBE installation This software runs o...

Page 22: ...rding cube2mseed Converts DATA CUBE files to miniSEED format cube2segy Converts DATA CUBE files to SEG Y format cube2ascii Coverts the DATA CUBE files to ASCII format The CubeTools software package ca...

Page 23: ...tages will damage the DATA CUBE Do not use e g Li batteries Do not connect external power supply when using DATA CUBE Type 1 with internal batteries Make sure to remove the batteries from the compartm...

Page 24: ...s for 20 days without processing Data storage Storage type SDHC memory card internal Capacity 32GB ca 270 days 100sps Recording type Continuous recording Recording format Raw miniSEED SEG Y offline co...

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