SILICON SENSING DMU30 Manual de usuario

DMU30-00-0100-910 Page 1

Issue 1, June 2015 DCR 710009247

DMU30 Evaluation Kit

User Manual

DMU30-00-0100-910

Page 2 DMU30-00-0100-910

DCR 710009247 Issue 1, June 2015

STATEMENT OF USE AND DISCLAIMER FOR SILICON SENSING SYSTEMS EVALUATION KITS

THE EVALUATION KIT DESCRIBED IN THIS DOCUMENT IS A DEVELOPMENT TOOL AND AS

SUCH IS PROVIDED SOLELY FOR THE EVALUATION AND ASSESSMENT BY THE PURCHASER

OF THE SUITABILITY OF THE SILICON SENSING SYSTEMS LIMITED (SSSL) RANGE OF INERTIAL

SENSORS WITHIN THE PURCHASER’S APPLICATION. THEY ARE NOT TO BE USED EITHER AS

AN INTEGRAL OR DISCRETE PART OR COMPONENT WITHIN ANY PURCHASER APPLICATION

OR PRODUCT. SSSL DOES NOT WARRANT THE SPECIFICATION OR PERFORMANCE OF THESE

KITS IN ANY WAY WHATSOEVER IN SUCH CIRCUMSTANCES WHERE USE BY THE PURCHASER

FOR ANY APPLICATION OR PRODUCT IS IN CONTRAVENTION OF THE FOREGOING ADVICE

FROM SSSL.

THE PURCHASER USES THE EVALUATION KIT ENTIRELY AT ITS OWN RISK AND SHALL FULLY

INDEMNIFY SSSL FROM ANY AND ALL PURCHASER OR THIRD PARTY CLAIMS, LOSSES,

COSTS, DAMAGES AND EXPENSES AND RELATED LIABILITY WHETHER IN CONTRACT OR

TORT THAT MAY ARISE FROM SUCH IMPROPER USE AS PROVIDED IN THIS STATEMENT.

THIS STATEMENT IS SUPPLEMENTARY TO SSSL STANDARD TERMS AND CONDITIONS. IN THE

EVENT OF ANY CONFLICT THIS STATEMENT SHALL PREVAIL AND ALL OTHER TERMS SHALL

REMAIN VALID AND ENFORCEABLE.

DMU30-00-0100-910 Page 3

Issue 1, June 2015 DCR 710009247

Document number: DMU30-00-0100-910

Entitled: DMU30 Evaluation Kit User Manual

This is an unpublished work created in 2015, any copyright in which vests in Silicon Sensing

The information contained in this document is proprietary to Silicon Sensing Systems Limited

unless stated otherwise and is made available in confidence; it must not be used or disclosed

without the express written permission of Silicon Sensing Systems Limited. This document

may not be copied in whole or in part in any form without the express written consent of Silicon

Sensing Systems Limited which may be given by contract.

This document contains commercially-sensitive trade secrets as of the date provided to the

original recipient by Silicon Sensing Systems Limited and is provided in confidence. Release of

the information to any third party is prohibited without prior written consent from Silicon Sensing

Systems Limited. Public authorities are prohibited from releasing the information unless its

release would not constitute an actionable breach of confidence. Public authorities should

contact Silicon Sensing Systems Limited to determine the current releasability of the

information.

[5 USC 552(b)(4) and 18 USC 1905]/ [Sections 41 and 43 of the Freedom of Information Act

2000] are applicable.

UK Origin

Any enquiries relating to this document or its contents should be addressed in the first instance

to:

Silicon Sensing Systems Limited,

Clittaford Road,

Southway,

Plymouth,

Devon

PL6 6DE

Telephone: (01752) 723330 International: +44 1752 723330

Fax: (01752) 723331 International: +44 1752 723331

Silicon Sensing Systems Limited is a Joint Venture between Atlantic Inertial Systems and

Sumitomo Precision Products.

Silicon Sensing Systems Limited is the trademark of

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DCR 710009247 Issue 1, June 2015

CONTENTS

Section Page

1Introduction.......................................................................................................7

2System Requirements......................................................................................7

3Potential Restrictions and Issues ...................................................................8

3.1 Performance issues....................................................................................................................... 8

3.2 MEV 485i Driver Settings.............................................................................................................. 8

4Evaluation Kit Contents ...................................................................................8

4.1 DMU30 .......................................................................................................................................... 8

4.2 MEV RS485i to USB Converter and CD ..................................................................................... 10

4.3 USB Memory Stick ...................................................................................................................... 10

4.4 Interface Cables .......................................................................................................................... 10

5Getting Started................................................................................................11

5.1 Installation Overview ................................................................................................................... 11

5.2 Installing the MEV RS485i USB Serial Converter Device Driver................................................ 11

5.2.1 Installation Procedure .................................................................................................. 11

5.2.2 MEV Installation Troubleshooting................................................................................ 13

5.3 Installing the Data Logging Software .......................................................................................... 14

5.3.1 Installation Procedure .................................................................................................. 14

5.3.2 Installation Troubleshooting......................................................................................... 16

5.4 Using the Software...................................................................................................................... 16

5.4.1 Starting the Application................................................................................................ 16

5.4.2 Main Window ............................................................................................................... 17

5.4.3 Display Tab.................................................................................................................. 19

5.4.4 Logging Tab................................................................................................................. 23

5.4.5 Settings Tab................................................................................................................. 28

5.4.6 Changing the MEV 485i Driver Settings ...................................................................... 29

6Using the DMU30 without the Evaluation Kit ...............................................32

6.1 Sensor Sampling and Synchronisation....................................................................................... 34

7DMU30 Electrical Connections......................................................................35

8Installation.......................................................................................................35

9Software Updates ...........................................................................................36

10 Contact Details................................................................................................36

TABLES

Table 1: Operational Message Data Output Descriptions..........................................................................25

Table 2: Default Settings ............................................................................................................................29

Table 3: Connector Pin Out........................................................................................................................32

Table 4: Operational Message Data Output Descriptions..........................................................................33

DMU30-00-0100-910 Page 5

Issue 1, June 2015 DCR 710009247

FIGURES

Figure 1: DMU30 Evaluation Kit ...................................................................................................................7

Figure 2: DMU30 ..........................................................................................................................................9

Figure 3: MEV RS485i to USB Converter...................................................................................................10

Figure 4: Software Application Main Window.............................................................................................17

Figure 5: Main Controls ..............................................................................................................................18

Figure 6: Main Tab Options........................................................................................................................18

Figure 7: Real-time Display Page...............................................................................................................19

Figure 8 Chart Recorder Overview.............................................................................................................20

Figure 9 Marking sample points with associated BIT errors.......................................................................22

Figure 10 Using Cursors.............................................................................................................................23

Figure 11: Logging Tab Overview ..............................................................................................................24

Figure 12: Log to memory Tab ...................................................................................................................26

Figure 13: Log to disk Tab..........................................................................................................................27

Figure 14: Log files in the default log file directory.....................................................................................28

Figure 15: Settings Page ............................................................................................................................28

Figure 16: DMU30 Architecture..................................................................................................................32

Figure 17: Connection to a Host System....................................................................................................33

Figure 18: Interface Cable 630567-0940....................................................................................................35

Figure 19: Pin numbering of the DMU30 socket.........................................................................................35

Figure 20: DMU30 Installation....................................................................................................................36

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DCR 710009247 Issue 1, June 2015

GLOSSARY

Compact Disk

CD-ROM

CD-Read Only Memory

COM

Serial port interface

CSV

Comma Separated Variables

DMU

Dynamic Measurement Unit

FOG

Fibre Optic Gyroscope

Floating Point

GND

Ground

IMU

Inertial Measurement Unit

kbit/s

kilobits per second

LPT

Parallel port interface

Mega Bytes

milliseconds

OEM

Original Equipment Manufacturer

Personal Computer

PCB

Printed Circuit Board

RAM

Random Access Memory

RLG

Ring Laser Gyroscope

Receive

Service Pack

Transmit

USB

Universal Serial Bus

Vel

Velocity

DMU30-00-0100-910 Page 7

Issue 1, June 2015 DCR 710009247

1 Introduction

DMU30 is the first of a new family of High Performance MEMS IMUs (HPIMU) incorporating

precision VSG3QMAX high-Q inductive resonating ring gyroscopes and capacitive

accelerometers. DMU30 represents a realistic, alternative to established FOG/RLG based

IMUs due to its exceptional bias stability and low noise characteristics, yet it is

comparatively compact, lightweight and offers low cost of ownership.

The DMU30 Evaluation Kit, see Figure 1, enables the output data from the DMU30 to be

viewed and logged for testing and evaluating purposes.

This kit is primarily for use with the DMU30 build standard.

Figure 1: DMU30 Evaluation Kit

2 System Requirements

The DMU30 Evaluation Kit requires a PC with a USB port. The requirements for the PC are

as follows:

Microsoft® Windows®XP (SP3 or greater), Vista®or Window 7 and Windows 8

Operating Systems. The software has not been tested on any other operating

systems and therefore correct functionality cannot be guaranteed.

Minimum of 500 Mb of RAM.

500 Mb of free hard drive space plus space for logged data (typical data rate ≈ 50

kbit/s).

High power or self-powered USB 2.0 Port.

USB Memory Stick

DMU30 power supply

MEV to

PC USB

2.0 Cable

DMU30

MEV RS485i to USB

Converter

DMU10 to

MEV Cable

Power supply adapters

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DCR 710009247 Issue 1, June 2015

3 Potential Restrictions and Issues

3.1 Performance issues

The USB interface on the PC can result in errors in the USB Message Stream introduced by

interruptions by the operating system, resulting in possible loss of partial or complete

messages. Such errors, if they occur, can be minimised by:

a) Minimising the number of other applications and software running on the PC.

b) Disconnecting the PC from a network or wireless connection.

c) Using very high speed PCs.

d) Disabling scheduled virus scans and Operating System updates.

e) Disabling all PC power saving options.

Any disruption to the message stream can be observed in the logged files using the

message counter, checking for lost data.

3.2 MEV 485i Driver Settings

The MEV 485i driver is for the FTDI USB to serial hardware chip. This is in common use by

USB to serial devices. The settings automatically applied by the DMU30 Utility (or manually

by following the procedure described in section 5.4.6) are to allow this driver to perform

correctly with the DMU Utility software. It is possible that these settings will not be suitable

for other USB to serial devices that are using this driver.

If the PC used to run the DMU30 Utility software will be used for other applications

that use this driver then it may be necessary to undo (or change) the settings

described in section 5.4.6.

Note that the performance of the driver software may change between different versions of

hardware and software for both the device and the PC. So experimentation with different

settings may be required if the settings described in section 5.4.6 do not work.

4 Evaluation Kit Contents

The DMU30 evaluation kit (part number DMU30-21-0500) contains the following:

DMU30 IMU (Part Number DMU30-21-0100)

MEV RS485i to USB Converter, (Manufacturer Part Number USB485i)

CD containing the MEV drivers

USB memory stick (Part Number 630567-0920) containing the data logging software

Interface Cables

4.1 DMU30

Figure 2 shows the Dynamic Measurement Unit used with the evaluation kit.

DMU30-00-0100-910 Page 9

Issue 1, June 2015 DCR 710009247

Figure 2: DMU30

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DCR 710009247 Issue 1, June 2015

4.2 MEV RS485i to USB Converter and CD

The RS485i to USB Converter is manufactured by MEV.

Figure 3: MEV RS485i to USB Converter

The drivers and user manual for the MEV are included on the MEV CD.

4.3 USB Memory Stick

The USB Memory Stick contains the following:

Data Logging Software –1-10695-020-430 Rev 1

This User Manual

DMU30 Brochure

4.4 Interface Cables

Two cables are included in the kit:

1. DMU30 to MEV Cable (Part Number 630567-0940)

2. MEV to PC USB 2.0 Cable.

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