User guide

VG700M User’s Manual
Doc.# 7430-0280-01
Rev. G Page i
Table of Contents
1
Introduction...............................................................................1
1.1 The DMU™ Series Motion and Attitude Sensing Units...............1
1.2 Package Contents ..........................................................................2
2 Quick Start.................................................................................3
2.1 GyroView Software.......................................................................3
2.1.1 GyroView Computer Requirements..................................................3
2.1.2 Install GyroView ..............................................................................3
2.2 Connections...................................................................................3
2.3 Setup GyroView............................................................................4
2.4 Take Measurements.......................................................................4
3 DMU Details...............................................................................5
3.1 DMU Coordinate System..............................................................5
3.2 Connections...................................................................................5
3.3 Interface.........................................................................................7
3.4 Measurement Modes .....................................................................7
3.4.1 Voltage Mode...................................................................................7
3.4.2 Scaled Sensor Mode.........................................................................7
3.4.3 Angle Mode......................................................................................8
3.5 Commands.....................................................................................9
3.5.1 Command List ..................................................................................9
3.6 Data Packet Format .....................................................................14
3.7 Timing.........................................................................................17
3.8 Temperature Sensor.....................................................................17
3.9 Adaptive-T Algorithm (installed at Crossbow factory)...............18
4 DMU Operating Tips ..............................................................19
4.1 The “Zero” Command.................................................................19
4.2 The Erection Rate........................................................................19
4.3 Mounting the DMU.....................................................................21
4.4 DMU Start Up Procedure............................................................21
4.5 Advanced Strategies for Adjusting the Erection Rate.................22
5 Appendix A. Mechanical Specifications ................................23