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The Castor series IMU1100 is a high-end inertial measurement unit consisting of high-performance triaxial MEMS accelerometer, triaxial gyroscope, and triaxial magnetometer sensors based on the latest MEMS technology. The IMU is equipped with a high-speed processor that runs superior signal processing algorithms, delivering control-grade inertial measurement data. The IMU output is available over an RS422 interface. Its rugged and modular design makes it suitable for integration with control computers and other application hardware.

 

The miniature MEMS IMU, CSTR-IMU1100, offers 1°/hr (typ.) bias instability performance and is suitable for inertial control applications where size is the constraint. The Castor IMU design complies with MIL environmental and EMC standards.

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Product Features

Excellent 1˚ /hr. in-run bias instability, thermal compensation, and good short-term turn-on to turn-on repeatability.

IMU1100 features configurable filters with programmable taps optimizing the IMU for best performance.

Factory calibrated for misalignment, offsets, and scale factor errors and temperature compensated.

Offers update rates of up to 2000Hz and configurable bandwidth as per customer application requirements.

IMU1100 is designed for shock survival up to 1000g making it suitable for high dynamics applications.

Low supply voltage requirement making it possible to power up the IMU with low voltage battery systems.

Low noise and highly stable accelerometer and gyroscope sensors for high performance sensor data.

Wide operating temperature range and temperature compensation of sensors for useful performance across operating range.

RS422 Interface, external trigger, diagnostics, and data ready options for integrated communication with user controller.

Technical Specifications

  • Accelerometer
  • Angular Rate
  • Electrical Specifications
  • Communication Interfaces
  • Mechanical
  • Inclinometer
  • Timing
  • Complied Qualifications
Range
±10 g
Bias Instability
0.016 - 0.024 mg (typically 0.02 mg) at 25°C
Bias Repeatiability
±1.5 mg
Bandwidth
262Hz ,-3dB(262 Hz LPF)
Velocity Random Walk (VRW)
0.018 - 0.028 m/s/√hr (Typically 0.018 m/s/√hr), 262 Hz LPF, at 25°C
Noise Density
0.0001m/s^2/√Hz
Resolution
24 bits
Range
±480 °/s
Bias Instability
0.5° - 1.2°/hr (typically 0.7°/hr) at 25°C
Bias Repeatiability
±100 °/hr
Angular Random Walk
0.09° - 0.2°/√hr (Typically 0.13°/√hr) 262 Hz LPF,at 25°C
Bandwidth
262Hz ,-3dB(262 Hz LPF)
Noise Density
0.001°/s/√Hz
Resolution
24 bits
Scale Factor Accuracy
< 500 ppm (1σ, at 25°C)
Non-linearity
< 40 ppm (1σ, for full scale ±480°/s)
Input Voltage
4.5V to 5.5V DC
Power Consumption
< 1.3W
Auxiliary
±2.5 V (Full Scale)
Diagnostics
Continuous onboard temperature, voltages, sensor health monitoring
Voltage Supply to Ground (VSUP to GND)
-0.5 to +7 V
External Trigger to Ground (ExtTrig to GND)
-0.3 to +7 V
Time of Validity to Ground (TOV to GND)
-0.3 to +7 V
Negative Reset to Ground (NRST to GND)
-0.3 to +7 V
Update Rate
Up to 2000 Hz
Baud Rate
374400 to 1843200 bits/s
Interfaces
RS422, External Trigger Input, Time of Validity (TOV), Auxiliary Input
Protocols
Binary
Size
38.6 (L) x 44.8 (W) x 21.5 (H) mm
Weight
72 ± 3 gm
Fixation Bolts
M4 metric
Recommended Torque
3 Nm
Connector
Micro-D Connector-Pin: MDA215SFSP4 (Device Connector), Micro-D Connector-Socket: MDA215P4L150S (Mating Connector)
Range
±1.7g
Bias Instability
0.021 - 0.035 mg (Typically 0.028 mg), at 25°C
VRW
0.024 - 0.032 m/s/√Hz (Typically 0.026 m/s/√Hz), 262 Hz LPF,at 25°C
Bias Repeatiability
±1.2 mg
Noise Density
0.0001 m/s^2/√Hz
Time to transmit after power ON
0.6 sec
Time to transmit after Reset
1.5 sec
Time to First valid data
0.6 sec
Operating Temperature
-40 to +85°C
Storage Temperature
-55 to 90°C
Ingress Protection
IP65
Mechanical Shock
1500 g/ 0.5 ms half-sine (As per MIL-STD-883F Method 2002.4 Test Condition B)

Applications

Documents & Softwares

Q & A

What is the interface for CSTR-IMU1100?

CSTR-IMU1100 can be interfaced on RS422.

What dynamics is CSTR-IMU1100 suitable for?

CSTR-IMU1100 has a dynamic measurement range of 400 deg./s and up to 40g

User Manual