Introduction
Copyright © 2015 Coda Octopus Products Ltd
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F180R MOTION Sensor User and Reference Guide
2.1.1 Inertial Measurement Unit
The F180R System Box unit includes:
dual GPS receiver cards that accept and process data from each GNSS antenna
the interface electronics that process signals from the IMU and communicate the
blended position, attitude and heading measurements to the receiving PC
four LEDs to indicate the system status
The F180R System IMU unit includes:
an array of accelerometers and rate sensors to measure accelerations and rotations that
affect the unit.
The standard system operates from a DC supply in the range 9 to 18V (nominally 12V DC). This
is normally supplied through a 110 – 240V mains powered supply.
2.1.2 GNSS System
Two GNSS systems supply the information required by the F180R System to produce a heading
solution. The antennas and the dual GNSS receiver cards are all designed for use in harsh
marine environments where vibration and extremes of temperature are the norm. Low–loss
antenna cables connect the antennas to their ports on the integrated electronics unit and
ensure optimal reliability of operation.
Novatel OEMV cards are the standard receivers integrated in the F180R System. Included are
also a matching pair of GNSS antennas. (Novatel GPS 701 for L1 enabled receivers and Novatel
GPS 702 for receivers enabled in L1/L2 mode.
The system comes with a standard set of 15m (Novatel CO16) antenna cables with options for
5m (Novatel C006) and 30m (Novatel C031). Refer to Antenna Cable Appendix for further
technical information on antenna cables.
2.1.3 Software
The MOTION Control software supplied with the system runs on an IBM–compatible PC under
a Microsoft® Windows™ Vista, 7 and 8 both 32 bit and 64 bit environments and provides
several important and useful functions:
configuration and real–time data display
system calibration and QC diagnostics
long period heave processing (iHeave)
interface capabilities with external receiving equipment
data acquisition and playback
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