Güralp Certimus User manual
Güralp Certimus
Technical Manual
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Table of Contents
1 Preliminary Notes...........................................................................................................7
1.1 Proprietary Notice......................................................................................................7
1.2 Cautions and Notes...................................................................................................7
1.3 Manuals and Software...............................................................................................7
1.4 Conventions...............................................................................................................7
2 System Overview............................................................................................................
2.1 Key features...............................................................................................................
2.2 Typical applications....................................................................................................
3 System description.........................................................................................................9
3.1 G ralp Certimus digital seismometer........................................................................9
3.1.1 Liquid Crystal Display.......................................................................................11
3.1.2 LED indicator....................................................................................................11
3.1.3 Bluetooth connectivity......................................................................................12
3.1.4 MEMS accelerometer.......................................................................................13
3.1.5 Data storage.....................................................................................................13
3.1.6 WiFi connectivity..............................................................................................16
3.1.7 Web interface...................................................................................................17
3.2 Accessory package..................................................................................................1
3.2.1 Ethernet cable..................................................................................................1
3.2.2 Compact GNSS receiver and cable.................................................................1
3.2.3 Power cable......................................................................................................19
3.2.4 Diagnostic GNSS to Serial cable adapter........................................................19
3.2.5 Optional accessories........................................................................................19
3.3 G ralp Discovery software......................................................................................20
3.4 G ralp G V Android and iOS app.........................................................................21
4 Getting started..............................................................................................................22
4.1 Unpacking and packing...........................................................................................22
4.2 System set-up..........................................................................................................23
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4.3 G ralp Discovery software installation....................................................................24
4.4 Viewing waveforms and system state-of-health......................................................27
4.4.1 Using Discovery’s “Live View” window.............................................................27
4.4.2 Using Scream!..................................................................................................33
5 LCD Display menu........................................................................................................34
5.1 Main menu...............................................................................................................35
5.2 Status.......................................................................................................................35
5.3 Settings....................................................................................................................36
5.3.1 Settings → display...........................................................................................37
5.3.2 Settings → network..........................................................................................37
5.4 Alignment.................................................................................................................39
5.5 Waveform.................................................................................................................39
5.6 Maintenance............................................................................................................40
5.6.1 Reboot..............................................................................................................40
5.6.2 Restore factory settings...................................................................................41
5.6.3 Lock the configuration......................................................................................41
6 Installation.....................................................................................................................42
6.1 Permanent installation.............................................................................................42
6.2 Temporary installations............................................................................................43
6.3 Direct Burial.............................................................................................................45
6.4 Installation in Hazardous environments..................................................................46
7 System configuration...................................................................................................47
7.1 Web Page login.......................................................................................................47
7.2 System status..........................................................................................................49
7.3 Station meta-data....................................................................................................50
7.4 Network configuration..............................................................................................50
7.4.1 I.P. address and gateway.................................................................................50
7.4.2 NTP (Network Timing Protocol) configuration..................................................51
7.5 WiFi..........................................................................................................................52
7.5.1 Connecting to a WiFi network..........................................................................52
7.5.2 WiFi connection status.....................................................................................53
7.5.3 Changing WiFi networks..................................................................................53
7.6 GDI push (auto-connection)....................................................................................54
7.7 QSCD.......................................................................................................................55
7.8 Controlling the LCD from the web interface............................................................55
7.9 Data storage............................................................................................................57
7.10 Storage..................................................................................................................5
7.10.1 Recording status............................................................................................5
7.10.2 MicroSD card re-formatting............................................................................59
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7.10.3 MicroSD card data flushing and unmounting.................................................60
7.10.4 Download recorded data................................................................................61
7.10.5 Downloading data for specific time-intervals.................................................62
7.10.6 Bulk data extraction via network....................................................................63
7.10.7 Time based data extraction via Network........................................................64
7.10.8 Bulk data extraction........................................................................................65
7.10.9 The contents of the microSD card.................................................................66
7.10.10 Request data from microSD card.................................................................6
7.11 Data transmission..................................................................................................71
7.11.1 Scream! (GCF format + Scream protocol).....................................................72
7.11.2 GDI-link protocol.............................................................................................73
7.11.3 SEEDlink protocol...........................................................................................74
7.12 Synchronisation of the sample-clock.....................................................................7
7.12.1 GNSS lock status...........................................................................................7
7.12.2 Precision Time Protocol (PTP)....................................................................... 0
7.13 Deploy modes:....................................................................................................... 2
7.13.1 Full Power Save............................................................................................. 3
7.14 Configuration and control of the seismometer...................................................... 4
7.14.1 Seismometer.................................................................................................. 4
7.14.2 Sensor centring.............................................................................................. 5
7.14.3 Output polarity................................................................................................ 6
7.14.4 Instrument Response Verification.................................................................. 7
7.14.5 Instrument response parameters...................................................................
7.15 Setting sensor orientation and depth parameters.................................................93
7.15.1 Applied rotation..............................................................................................93
7.15.2 Instrument installation parameters.................................................................93
7.16 Transforms.............................................................................................................94
7.16.1 Pass-through..................................................................................................96
7.16.2 Differentiation.................................................................................................96
7.16.3 1st order LPF...................................................................................................97
7.16.4 1st Order HPF.................................................................................................97
7.16.5 1st Order Band/Notch filter..............................................................................9
7.16.6 2nd Order biquad.............................................................................................99
7.16.7 Integration....................................................................................................100
7.16.8 Double Integration........................................................................................101
7.16.9 EEW Parameter Observer...........................................................................102
7.16.10 STA/LTA Ratio............................................................................................103
7.16.11 Three-dimensional rotation.........................................................................105
7.16.12 QSCD Sender (triplet)................................................................................106
7.16.13 MMA Logger...............................................................................................107
7.17 Earthquake Early Warning..................................................................................10
7.17.1 Trigger sources.............................................................................................109
7.17.2 Trigger destinations......................................................................................112
7.17.3 Low Latency Mode.......................................................................................114
7.17.4 CAP receiver................................................................................................115
7.17.5 Seismic Event Table.....................................................................................117
7.18 Using a registry....................................................................................................119
7.18.1 Registry/Discovery State of Health..............................................................119
7.18.2 Registry management..................................................................................120
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7.18.3 Configuring a Certimus for use with a registry.............................................121
7.18.4 Configuring Discovery for use with a registry..............................................122
7.18.5 Registry mode: using WAN or LAN addresses............................................123
7.19 Updating Certimus firmware................................................................................125
7.20 Import / Export an existing configuration.............................................................129
7.21 Control Centre.....................................................................................................131
7.21.1 Mass Centring..............................................................................................132
Instrument State of Health (SoH)..............................................................................134
8.1 Commands on the debug RS232 serial port.........................................................134
8.2 HTTP and web page access.................................................................................135
8.2.1 ASCII Text status............................................................................................135
8.2.2 Station XML....................................................................................................136
8.2.3 Dataless Seed................................................................................................137
8.2.4 System Configuration.....................................................................................137
8.2.5 Instrument response......................................................................................137
9 GüVü app.....................................................................................................................13
9.1 Getting started.......................................................................................................13
9.2 View settings..........................................................................................................140
9.3 Instrument control..................................................................................................141
Setting the PIN code...............................................................................................143
9.3.1 Emailing a deployment report........................................................................143
10 Advanced troubleshooting......................................................................................145
10.1 Reset all settings during boot phase...................................................................146
11 Appendix 1 – Instrument/channel names...............................................................151
11.1 Environmental channels......................................................................................151
11.2 Broadband accelerometer channels....................................................................153
12 Appendix 2 – Certimus network ports....................................................................154
13 Appendix 3 – Connector pin-outs...........................................................................155
13.1 Ethernet...............................................................................................................155
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13.2 Power...................................................................................................................156
13.3 GNSS/serial.........................................................................................................157
14 Appendix 4 – Güralp Discovery installation..........................................................15
14.1 Installation in Linux..............................................................................................15
14.2 Installation in Mac................................................................................................159
14.3 Installation in Windows........................................................................................162
14.4 Configuring Windows Firewall.............................................................................165
14.5 Update.................................................................................................................16
15 Appendix 5 – I.P. address configuration on PC or Laptop...................................172
15.1 On Linux..............................................................................................................172
15.2 On macOS...........................................................................................................173
15.3 On Windows........................................................................................................174
16 Appendix 6 – LCD menu map..................................................................................175
17 Revision History........................................................................................................176
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1 Preliminary Notes
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