MINISAX II DRIVER DOWNLOAD

The MiniSAX II was engineered with system designers in mind, incorporating a simple yet comprehensive and flexible interface structure. Increase the error gain. If the position signal cannot be seen, try increasing the error gain slightly. Input a 6Vpp, 20Hz square wave into the command interface connector. Optical Scanners are normally tuned, serialized and warranted as a matched set for optimized performance. For application requiringsettling to very small tolerances microradians or less an overdamped response frequently givesthe fastest overall settling, even though the rise time is slower.

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Also, adjusting the gain after final tuning has been completed will change the response adjusting the offset will not change the response. Otherwise, inconsistent and inaccurate scaling as well as damage to the scanner motor may occur.

Using an oscilloscope, monitor the position signal on channel 1 and error on channel 2 use DC coupling. Check for a blown fuse F1 on the TCM. The output is rated for a maximum sink current of 50mA at a maximum 25 volts.

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The connector pin functions are shown in Table 1. A test interface board allows easy access to a variety of important test points.

If no discrepancies are reported, General Scanning shall assume the shipment was delivered complete and defect free. Advanced servo filtering techniques together with a low-coupling design provide extended bandwidths ui improved response times. In most cases, oscillation will occur at the resonant frequency if a notch filter is not used. Turn the velocity gain and position-proportional gain 4 or 5 turns CW. General Scanning warrantees products against defects up to 1 year from manufacture date, barring unauthorized modifications or misuse.

If theduty cycle of this LED is either very high or very miinsax during normal scanner operating conditions, thethermal design of the scan system should be reviewed.

These adjustments are made at the factory in cases where a complete analog optical scanner scanner motor, driver and mirror is ordered, or if the factory is supplied with a test load from the customer. Create your own flipbook. This is illustrated in Figure 4. Analog Optical Scanners that are tuned for vector and small-step applications may require a structured command acceleration limited to maintain stability over large steps.

If proper adjustment is not possible, the notch filter frequency range may be incorrect for your setup. The scanner motor should begin Positionto follow the command signal. The power dissipated by the heater blanket is proportional to the power supply voltage.

Retrace time is typically minimized by increasing the error gain, while using the damping adjustmentto maintain a smooth settling on the velocity waveform.

If so, see [1] above. Turn the error-proportional gain fully CCW. Minjsax disclosure of this information does not constitutethe release of any proprietary rights therein.

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This tuning method is the easier of the two. Be sure the power supply current ratings are enough to supply the scanner motor and driver see section 3. In order to provide the greatest dynamic range, the set point should be as low aspractically possible.

Some applications require custom tuning, which could be performed by the factory or by a technical person using the procedure described in the tuning section of this manual.

The same techniques maybe used for other command waveforms as well.

MiniSAX II Driver User’s Manual Pages 1 - 33 - Text Version | FlipHTML5

Raster Command WaveformsPerformance can often be improved by the use of a dual slope command waveform. The power supply current requirement is also application dependent and will vary as a function of the magnitude and duty cycle of required motor scanner acceleration.

This signal is the difference betweenthe command and actual position, and is equal to the position scale factor. In this case, damage to the rotor assembly is possible. You are now ready for final tuning. G-series scanner motors do not have a mechanical stop. This manual also touches on topics such as servo tuning and troubleshooting.

Servo ParametersIntegrator Gain The integrator term provides high DC gain, allowing the servo to achieve zero error for a constant position command, and maintain a constant tracking offset for a constant velocity command.