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Inertial navigation system

High performance fiber optic inertial measurement unit-CFA130IC

Product Description

The CFA-130IC 3-axes FOG(fiber optic gyro) attitude and heading reference system has been designed to provide a cost effective, accurate geo-reference in harsh conditions without the need for an external GPS signal. The small size/volume makes it ideal for manual positioning in difficult physical locations.
Operation is based on inertial principles of initial gravity levelling using built-in accelerometers followed by geodetic heading calculation using the 3-axes gyroscopes, This alignment process requires 5 to 12 minutes dependent on latitude.
After inertial alignment the CFA-130lC gives continuous outputs of Heading. Roll and Pitch to enable subsequent movement of the target equipment to the required physical position.
Data read-out is achieved using a standard WiFi enabled device (such as smartphone, laptop) or using a custom PDA. in any case the JSON interface protocol can be hardware platform independent (eg i0S, Android, Win10) to suit the final application. A serial RS422 interface is also available.
Rugged environmental conditions were an important feature in the design of this unit internally with the high integration of electronics and sensors modelled using 3D CAD. This played a key role in keeping the unit shock & vibration resistant.

Key Features

Accuracy at work
High level of integration and small system size
The unit internally with the high integration of electronics and sensors modelled using 3D CAD

Applications

MINING RIG ALIGNMENT
O&G REFERENCE SYSTEM
HDD RIG ALIGNMENT
MINING AUTOMATION

Information & Quotation
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Specification
CHARACTERISTICS CFA-1301C
Heading accuracy(°)*0.12
Roll / Pitch accuracy(°)RMS**0.05
Alignment Time (min)***5 to 12 minutes, dependent on latitude
SYSTEM CHARACTERISTICS  
GyroscopesAccelerometers
Type3-axes FOGType3-axes MEMS
Bias stability>1 deg/hr (measured over 1 month)Scale Factor stability300 ppm (typ meas-ured over 1 year)
ARW≥0.0037°/√hr
Max angular rate495°/sBias stability3.75 mg (typ measured over 1year)
EnvironmentalPower requirements
Operating Temperature-40°C to +71°CInput voltage18-35V
Storage Temperature-55°C to +85°CPower consumptio18W
VibrationlEC 60068-2-6Connectors
Shock(survival)IEC 60068-2-27J1Power, Serial Bus & Test
Humidity≤95% RH
InterfacePhysical Properties
TypeRS422 serial
WiFi IEEE 80211 g 2.4GHz
Dimensions106x132x223mm
Weight4.2kg
ProtocolJSONRatinglP67


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