ECG eCompass Series

Highlights:

If your compass application involves vibration, acceleration, uneven terrain, or rough seas, the ECG Series, a gyro-stabilized electronic compass, is an uncompromising solution that will outperform rival units that cost more. The ECG provides remarkably accurate heading, pitch, and roll in dynamic conditions. It all starts with a precision 3-axis solid-state magnetometer. Two angular rate gyros independently stabilize pitch and roll. They augment a dual-axis, electrolytic tilt sensor that provides precise tilt measurements in static environments. Two sets of independent filters, one set for pitch and one for roll, combine gyro and electrolytic sensor measurements to provide the best available tilt measurements.

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Additional information
Dimensions 5.43 × 2.38 × 1.22 in
Features

• Exceptional Dynamic Performance
• High Static Accuracy
• RS-232 & RS-485 Outputs Available
• Precise Calibration
• Single Supply Operation
• Plastic or Aluminum Enclosure Options

Applications

• Robotics
• Platform Stabilization
• Excavation Machinery
• Irrigation Equipment

Performance Specifications

Performance Specifications

Heading Performance

Accuracy (rms)1±0.5°
±3.0°
Static, Tilt <35° Dip <60°
Dynamic, rate <250°/sec
Repeatability±0.3°Static, no filter
Response Time (msec)36Minimum, no filter
Dip Angle Range±80°
Tilt Range±40°
Update Rate (measurements per second)28

Pitch and Roll Performance

Accuracy±0.3°Factory calibrated
Repeatability±0.2°No filter
Range±42°
Settling Time (sec)0.5Gyros enabled

Electrical

Supply Voltage (VDD)6 - 45Vdc unregulated
5.0Vdc regulated
4.9Vdc minimum
Supply CurrentOperating: 30mA
Sample: 10mA
Standby: 2mA
Typical

Environmental

Operating Temperature-40° to 105°C
Storage Temperature-50° to 150°C
Humidity0-90%

Mechanical

Enclosure Material(ABS) Flame Retardant Plastic UL94 VO or
Diecast Aluminum Alloy (Type 360.1)
PCB Size1.8"W x 3.0"L x 0.6"H
PCB Mounting4 #4 screws, 1.4″x 2.2″ spacing
WeightPlastic: 3.2oz (90.7g)
Aluminum: 7.2oz (204.1g)
Connectors8 pin, single-row, 0.1″ friction header
6 pin RJ12 modular jack

Interface

Signal TypeRS-232 and RS-485
Baud Rate (bps)2400, 4800, 9600, 19200, 38400, or 57600
Character Format8 data, no parity, 1 stop
Input Buffer Size110 characters
Output Buffer Size110 characters
Output FormatNMEA 0183 and binary
Output Data Rate1 to 1650 sentences per minute
Operating ModesContinuous or sample
Angle UnitsDegrees, mils, radians, 16-bit integer

Notes:
1: May require calibration after installation to eliminate the effect of local magnetic field
*Specifications subject to change without notice on account of continued product development

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