The RaceGrade IMU contains a three axis accelerometer and a three axis angular rate sensor designed to measure and communicate all values over the CAN bus.

Specifications:

• Acceleration Ranges: +/- 2, 4, 8, 16 G
• Angular Rate Ranges: +/- 250, 500, 2000 deg/s
• CAN bus speeds: 1 Mbps, 500 Kbps, 250 Kbps, 125 Kbps
• Supply Voltage: 9 - 36 VDC
• Supply Current: 30 mA
• Temperature Range: -20°C to +85°C
• Dimensions: 92 x 57 x 15 mm
• 3.625 x 2.25 x 0.59 in
• Wire Lead Length: 4”
• Weight: 95 grams
• Ingress Protection Rating: IP 68

CAN Messaging:

• All channels are 16 bit signed Motorola style.
• Accelerations are transmitted in G per bit with a resolution of 0.001.
• Angular rates are transmitted in hertz with a resolution of 0.001.
• (multiple by 360 for deg/s)
• Transmission rate for 1 Mbps and 500 Kbps CAN speed is
• 500Hz for acceleration, 125Hz for angular rates.
• Transmission rate for 250 Kbps and 125 Kbps CAN speed is
• 166Hz for acceleration, 100Hz for angular rates.