User`s guide

Gyro Control Unit (GCU)
User’s Guide
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MaxMetrix, Scottsdale, AZ
PN: GCU-2K1-UG:RevI.2 NGC
4.1.1.2.2 INTEGRAL GAIN, K
I
This text boxes allows the user to set the amount of integral gain that should be used to control each of the
separate axis.
4.1.1.2.3 COMPENSATOR FREQUENCY
This text box set the compensator cut-in frequency.
4.1.1.2.4 ADC OFFSET
This text box allows the user to trim out the Pickoff ADC offsets. The ideal setting would be 0 or exactly
the mid-scale value for the signed 16bit dynamic range (+/- 32,768).
4.1.1.2.5 DAC OFFSET
This text box allows the user to trim the DC basis associated with the DAC and Power Amplifier section.
The ideal setting would be 0 or exactly the mid-scale value for the signed 16bit dynamic range (+/- 32,768).
4.1.1.3 READ VALUES FROM DSP
This command button retrieves the calibration values currently used in the DSP RAM.
4.1.1.4 UPDATE VALUES
This command button sends the calibration values in the text boxes to the DSP
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Note: the Update Values are not written to serial flash memory device, they simply overwrite the values
that reside in RAM until the Save Calibration command is sent, only after that are they written to the flash
memory device.
RAM.