PNI Sensor Corporation Doc #1007537 r12
TCM3 & TCM5 User Manual- Sept 2011 Page 2
Table of Contents
1 COPYRIGHT & WARRANTY INFORMATION ..................................................................................... 3
2 PNI CORPORATION’S TCM3 & TCM5 ................................................................................................ 4
2.1 PERFORMANCE SPECIFICATIONS ....................................................................................... 5
2.1.1 Heading Specifications ................................................................................................. 5
2.1.2 Magnetometer Specifications ....................................................................................... 5
2.1.3 Tilt Specifications .......................................................................................................... 5
2.1.4 Calibration..................................................................................................................... 5
2.1.5 Mechanical Specifications ............................................................................................ 5
2.1.6 I/O Specifications .......................................................................................................... 6
2.1.7 Power Specifications .................................................................................................... 6
2.1.8 Environmental Specifications ....................................................................................... 6
2.2 MECHANICALS ......................................................................................................................... 7
2.2.1 Mechanical Drawing ..................................................................................................... 7
2.2.2 18 in. Cable Assembly .................................................................................................. 8
3 INSTALLATION OF THE TCM ............................................................................................................. 9
3.1 ELECTRICAL CONNECTIONS ................................................................................................. 9
3.2 WHERE TO INSTALL .............................................................................................................. 10
3.3 MECHANICALLY MOUNTING THE TCM ............................................................................... 11
4 USING THE TCM ................................................................................................................................ 13
4.1 TCM STUDIO .......................................................................................................................... 13
4.1.1 Install the TCM Studio program onto a Windows system: ......................................... 13
4.1.2 Connection Tab .......................................................................................................... 14
4.1.3 Configuration Tab ....................................................................................................... 14
4.1.4 Calibration Tab ........................................................................................................... 19
4.1.5 Test Tab...................................................................................................................... 20
4.1.6 Data Logger Tab ......................................................................................................... 21
4.1.7 System Log Tab ......................................................................................................... 21
4.2 USER CALIBRATION .............................................................................................................. 22
4.2.1 Calibration Theory ...................................................................................................... 23
4.2.2 Hard and Soft Iron Effects .......................................................................................... 23
4.2.3 Pitch and Roll ............................................................................................................. 24
4.2.4 Recommended Calibration Procedure For Taking The Minimum Number Of Sample
Points 25
4.2.5 Declination Value ........................................................................................................ 27
4.2.6 Other Limitations ........................................................................................................ 28
4.3 BINARY PROTOCOL – RS232 INTERFACE ......................................................................... 29
4.3.1 Datagram Structure .................................................................................................... 29
4.3.2 Parameter Formats ..................................................................................................... 29
4.3.3 Commands & Communication Frames ...................................................................... 32
4.4 CODE EXAMPLES .................................................................................................................. 44
4.4.1 Binary TCM High Performance Protocol C Header File & CRC-16 Function ............ 44
4.4.2 Binary TCM Protocol C++ Communication Examples ............................................... 47
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