TCM-MB overview
PNI TCM MB 13095 Digital Magnetic Compass & Sensor Module; high-performance, low-power consumption, tilt-compensated electronic 6-axis digital compass modules w...
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DescriptionPNI TCM MB 13095 Digital Magnetic Compass & Sensor Module; high-performance, low-power consumption, tilt-compensated electronic 6-axis digital compass modules with 0.3° RMS heading accuracy.
SpecificationHeading Accuracy(full range calibration): 0.3˚rmsTilt Accuracy: 0.2° rmsSupply VoltageTCM XB: 3.8 – 9 VDCTCM MB: 3.3 - 9 VDCAverage Current Draw(max sample rate)TCM XB: 20 mATCM MB: 17 mASleep Mode Current Draw: 0.1 mAMaximum Sample Rate Hz: 30 HzCommunication InterfaceTCM XB: RS232 UARTTCM MB: CMOS/TTL UARTDimensionsTCM XB: 35 x 43 x 13 mm TCM MB: 33 x 31 x 13 mmWeightTCM XB: 6.8 gmTCM MB: 5.3 gmOperating Temperature: -40° to +85° C
OverviewPNI Sensor Corporation’s TCM XB (pn 12810) or TCM MB (pn 13095) tilt-compensated 3-axis digital compass. The TCM is a high-performance, low-power consumption, tilt-compensated electronic compass module that incorporates PNI’s advanced magnetic distortion compensation and calibration scoring algorithms to provide industry-leading heading accuracy. The TCM combines PNI’s patented magneto-inductive sensors and measurement circuit technology with a 3-axis MEMS accelerometer for unparalleled cost effectiveness and performance. PNI recognizes not all applications allow for significant tilt during calibration, so multiple calibration methods are available to ensure optimized performance can be obtained in the real world. These include Full-Range Calibration, when ≥45° of tilt is possible during calibration, 2D Calibration when constrained to calibration in a horizontal or near-horizontal plane, and LimitedTilt Calibration when tilt is constrained to <45° but >5° of tilt is possible. PNI also recognizes conditions may change over time, and to maintain superior heading accuracy it may be necessary to recalibrate the compass. So the TCM incorporates Hard-Iron-Only Calibration to easily account for gradual changes in the local magnetic distorting components. Plus, the accelerometer can be periodically recalibrated in the field to maintain maximum accuracy. These advantages make PNI’s TCM the choice for applications that require the highest accuracy and performance anywhere in the world under a wide range of conditions. Applications for the TCM include: Unmanned vehicles – underwater (UUV), ground (UGV), & aerial (UAV) Far target locaters and laser range finders Dead reckoning systems Systems in which the tilt angles used for calibration are physically constrained
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