Nanometrics Trillium Compact User manual

Trillium Compact
User Guide
Kanata, Ontario •Canada

© 2014 Nanometrics Inc. All Rights Reserved.
Trillium Compact Seismometer User Guide
Applies to the following products:
The information in this document has been carefully reviewed and is believed to be reliable.
Nanometrics Inc. reserves the right to make changes at any time without notice to improve the
reliability and function of the product.
No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any
form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without
the prior written permission of Nanometrics Inc.
Nanometrics Inc.
250 Herzberg Road
Kanata, Ontario, Canada K2K 2A1
Tel [phone]
Fax [phone]
Email [email protected]
www.nanometrics.ca
Product Name Model Number Saleable Part Number
Trillium Compact, 120 second TC120-SV1 16838
Trillium Compact, 20 second TC20-SV1 16838-20
Trillium Compact Posthole, 120 second, 300 m TC120-PH2 17327
Trillium Compact Posthole, 20 second, 300 m TC20-PH2 17327-20
Trillium Compact Posthole, 120 second, 50 m TC120-PH1 17656
Trillium Compact Posthole, 20 second, 50 m TC20-PH1 17656-20
Part number 16889R5
Release date 2014-03-04

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16889R5 2014-03-04 iii
About This Document
Document Conventions
Changes Included in This Revision
Revision number 16889R5 includes the following changes:
Added information throughout the guide for additional model numbers. This guide now
includes models
Changed the depth limit for Trillium Compact Posthole models TC120-PH2 and TC20-PH2 to
300 m.
Added the case tilt reporting feature to Section 7.2 “State-of-Health” on page37 in Chapter 7
“Using the Web Interface”.
Essential and Supplementary Information
Warning
Explains a risk of irreversible damage to data, software, or equipment
and provides recommendations for preventive action.
Caution
Explains a risk of damage to data, software, or equipment where
recovery is likely to be troublesome and provides recommendations for
preventive action.
Note
Provides additional information related to the current text.
Tip
Explains a best practice or provides helpful information related to the
current text.
Example
Provides an example related to the current text.
Text Conventions
bold text Identifies referenced elements in the graphical user interface (GUI)
(for example, “click Cancel to discard the changes”).
italic text Identifies variables such as parameter names and value placeholders
(for example, “select Configuration > Sensor Name”).
courier text Identifies commands that must be entered exactly as shown
(for example, “type mkdir $APOLLO_LOCATION/config”).
TC120-PH1 Trillium Compact Posthole, 120 second, 50 m
TC20-PH1 Trillium Compact Posthole, 20 second, 50 m
The case tilt feature applies to all Trillium Compact models with serial numbers 2500 and above.

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Contents
About This Document . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
Document Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
Changes Included in This Revision . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
Part 1 Installation
Chapter 1 Getting Started
1.1 About Trillium Compact Seismometers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.2 Unpacking and Handling a Trillium Compact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.3 Selecting a Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.4 Cables and Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.5 Technical Support and Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
1.5.1 Recording Your Serial Number and IP Address. . . . . . . . . . . . . . . . . . . . . . . . . . 8
1.6 Site Record . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Chapter 2 Performing a Posthole Installation
2.1 Installing a Trillium Compact Posthole. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.2 Aligning a Trillium Compact Posthole to North . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.2.1 Using a Surface Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.2.2 Using a Surface Seismometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.3 Troubleshooting Your Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Chapter 3 Performing a Surface Vault Installation
3.1 Planning Your Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.2 Recommendations for Pier Construction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.2.1 Choosing the Right Concrete . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.2.2 Decoupling the Pier and Vault Walls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.3 Common Types of Installations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.3.1 Vault Installations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.3.2 Temporary Installations on Rock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.4 Alignment, Levelling, and Placement Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.5 Best Practices for Alignment and Levelling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.6 Theory and Practice of Insulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.7 Insulation Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3.7.1 Insulating with the Insulating Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3.7.2 Insulating with a Rigid Foam Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

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3.8 Installing a Trillium Compact in the Insulating Cover. . . . . . . . . . . . . . . . . . . . . . . . . 23
3.9 Troubleshooting Your Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Part 2 Operation
Chapter 4 Input and Output Signals
4.1 UVW and XYZ Output Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4.2 Serial RS-232 Communications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
4.3 Digital Control Input Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
4.4 Calibration Input Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
4.5 State-of-Health Output Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
4.6 Power Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Chapter 5 Configuring Your System
5.1 Selecting the Trillium Compact Configuration for a Nanometrics Instrument . . . . 30
5.2 Using a Trident Digitizer with a Trillium Compact . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
5.3 Increasing System Sensitivity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Chapter 6 Configuring Serial Communications
6.1 About Serial Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
6.2 Establishing a Direct Serial Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
6.2.1 Creating a SLIP Connection on a Windows XP Computer . . . . . . . . . . . . . . . 34
6.2.2 Creating a SLIP Connection on a Windows 7 Computer . . . . . . . . . . . . . . . . 35
6.3 Connecting through a Nanometrics Digitizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
6.4 Calculating the IP Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Chapter 7 Using the Web Interface
7.1 About the Web Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
7.2 State-of-Health. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
7.3 Seismometer Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
7.4 Control Lines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
7.5 Sensor Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
7.6 Firmware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Part 3 Reference
Chapter 8 Specifications
8.1 Technology. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
8.2 Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
8.3 Hardware Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
8.4 Digital Command and Control Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

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8.5 Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
8.6 Physical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
8.7 Environmental . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Chapter 9 Transfer Function and Noise Floor
9.1 Frequency Response for 120 s and 20 s Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
9.2 Self-Noise for 120 s Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
9.3 Self-Noise for 20 s Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Chapter 10 Connector and Cables
10.1 14-Pin Trillium Compact Connector and Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
10.1.1 Pinout for 14-Pin Trillium Compact Connector . . . . . . . . . . . . . . . . . . . . . . . . 51
10.1.2 Cable Pinout – 14-Pin Connector to Nanometrics Digitizer. . . . . . . . . . . . . . 52
10.1.3 Cable Pinout – 14-pin Cable Waterproof Shroud to Nanometrics Digitizer. 53
10.1.4 Cable Pinout – 14-Pin Connector to Open End . . . . . . . . . . . . . . . . . . . . . . . 54
10.1.5 Cable Pinout – 14-Pin Connector to Serial Port. . . . . . . . . . . . . . . . . . . . . . . . 55
10.2 16-Pin Trillium Compact Connector and Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
10.2.1 Pinout for 16-Pin Trillium Compact Connector . . . . . . . . . . . . . . . . . . . . . . . . 56
10.2.2 Cable Pinout – 16-Pin Connector to Nanometrics Digitizer. . . . . . . . . . . . . . 57
10.2.3 Cable Pinout – 16-Pin Connector to Open End . . . . . . . . . . . . . . . . . . . . . . . 58
10.3 Cable Design Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Chapter 11 Physical Features and Dimensions
11.1 Top Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
11.1.1 Top View of Models TC120-SV1 and TC20-SV1 . . . . . . . . . . . . . . . . . . . . . . . . 60
11.1.2 Top View of Models TC120-PH2 and TC20-PH2 . . . . . . . . . . . . . . . . . . . . . . . . 61
11.1.3 Top View of Models TC120-PH1 and TC20-PH1 . . . . . . . . . . . . . . . . . . . . . . . . 62
11.2 Bottom Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
11.2.1 Bottom View of Models TC120-SV1 and TC20-SV1 . . . . . . . . . . . . . . . . . . . . . 63
11.2.2 Bottom View of Models TC120-PH2, TC20-PH2, TC120-PH1, and TC20-PH1 . 64
11.3 Side Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
11.3.1 Side View of Models TC120-SV1 and TC20-SV1. . . . . . . . . . . . . . . . . . . . . . . . 65
11.3.2 Side View of Models TC120-PH2 and TC20-PH2 . . . . . . . . . . . . . . . . . . . . . . . 66
11.3.3 Side View of Models TC120-PH1 and TC20-PH1 . . . . . . . . . . . . . . . . . . . . . . . 67
11.4 Side View of Optional 70 mm Spikes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Appendix A Carrying Case
A.1 Transporting a Trillium Compact in the Carrying Case . . . . . . . . . . . . . . . . . . . . . . . 70
Appendix B Cable Waterproof Shroud
B.1 Installing the Waterproof Shroud Cable Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 72

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Appendix C Levelling Cradle and Spike Kit
C.1 Using the Levelling Cradle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
C.2 Using the Levelling Cradle and Spike Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Appendix D Free Software Information
D.1 BSD Licence Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Appendix E Glossary
E.1 Glossary of Abbreviations and Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
E.2 List of Unit Abbreviations and Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
About Nanometrics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Contacting Nanometrics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Contacting Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

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Tables
1-1 List of cables and accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1-2 Record of installation site details. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2-1 Types of noise and possible causes for posthole deployments. . . . . . . . . . . . . 13
3-1 Recommended pier design specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3-2 Types of noise and possible causes for surface vault deployments . . . . . . . . . 25
5-1 Configuring a Nanometrics instrument for a Trillium Compact . . . . . . . . . . . . . 30
5-2 Increasing system sensitivity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
8-1 Technology specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
8-2 Performance specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
8-3 Hardware interface specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
8-4 Digital command and control Interface specifications. . . . . . . . . . . . . . . . . . . 42
8-5 Power specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
8-6 Physical specifications for models TC120-SV1 and TC20-SV1 . . . . . . . . . . . . . . 43
8-7 Physical specifications for models TC120-PH2 and TC20-PH2 . . . . . . . . . . . . . . 43
8-8 Physical specifications for models TC120-PH1 and TC20-PH1 . . . . . . . . . . . . . . 44
8-9 Environmental specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
9-1 Ground motion response nominal parameters for 120 s models . . . . . . . . . . . 46
9-2 Ground motion response nominal parameters for 20 s models . . . . . . . . . . . . 47
9-3 Calibration circuit parameters for 120 s and 20 s models . . . . . . . . . . . . . . . . . 48
10-1 Pinout for 14-pin Trillium Compact connector. . . . . . . . . . . . . . . . . . . . . . . . . . . 51
10-2 Cable 16777 – 14-pin connector to Nanometrics digitizer. . . . . . . . . . . . . . . . . 52
10-3 Cable 17769– Cable waterproof shroud to Nanometrics digitizer . . . . . . . . . . 53
10-4 Cable 16865 – 14-pin connector to open end . . . . . . . . . . . . . . . . . . . . . . . . . . 54
10-5 Cable 16978 – 14-pin connector to serial port and power . . . . . . . . . . . . . . . . 55
10-6 Pinout for 16-pin Trillium Compact connector. . . . . . . . . . . . . . . . . . . . . . . . . . . 56
10-7 Cable 17768– 16-pin Trillium Compact to Nanometrics digitizer. . . . . . . . . . . . 57
10-8 Cable 17356 – 16-pin connector to open end . . . . . . . . . . . . . . . . . . . . . . . . . . 58
E-1 Unit Abbreviations and Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

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Figures
3-1 Example of seismometer alignment using vertically scribed marks . . . . . . . . . 18
3-2 Example of seismometer alignment using the case-top guide. . . . . . . . . . . . . 19
3-3 Trillium Compact insulating cover features and dimensions . . . . . . . . . . . . . . . 22
3-4 Cut-away illustration of a Trillium Compact in the insulating cover . . . . . . . . . 24
4-1 Trillium Compact axis orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
9-1 Bode plot for 120 s and 20 s models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
9-2 Self-noise for 120 s models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
9-3 Self-noise for 20 s models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
11-1 Top view of models TC120-SV1 and TC20-SV1. . . . . . . . . . . . . . . . . . . . . . . . . . . 60
11-2 Top view of models TC120-PH2 and TC20-PH2 . . . . . . . . . . . . . . . . . . . . . . . . . . 61
11-3 Top view of models TC120-PH1 and TC20-PH1 . . . . . . . . . . . . . . . . . . . . . . . . . . 62
11-4 Bottom view of models TC120-SV1 and TC20-SV1 . . . . . . . . . . . . . . . . . . . . . . . 63
11-5 Bottom view of models TC120-PH2, TC20-PH2, TC120-PH1, and TC20-PH1 . . . 64
11-6 Side view of models TC120-SV1 and TC20-SV1 . . . . . . . . . . . . . . . . . . . . . . . . . . 65
11-7 Side view of models TC120-PH2 and TC20-PH2 . . . . . . . . . . . . . . . . . . . . . . . . . . 66
11-8 Side view of models TC120-PH1 and TC20-PH1 . . . . . . . . . . . . . . . . . . . . . . . . . . 67
11-9 Side view of models TC120-PH1 and TC20-PH1 with cable waterproof shroud 68
11-10 Side view of optional 70 mm spikes (posthole models only) . . . . . . . . . . . . . . . 69
A-1 Cut-away illustration of a packed carrying case . . . . . . . . . . . . . . . . . . . . . . . . 70
B-1 Preparing the installation surface on the Trillium Compact Posthole . . . . . . . . 72
B-2 Installing the cable waterproof shroud . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
C-1 Levelling cradle features and dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
C-2 Levelling cradle and spike kit assembly configurations . . . . . . . . . . . . . . . . . . . 75

Trillium Compact User Guide
16889R5 2014-03-04 1
Part 1
Installation
Getting Started
Performing a Posthole Installation
Performing a Surface Vault Installation