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4.0.

Operating Instructions

4.1.

Precautions and Warnings

a standard practice, keep the servo channel, scanner, and mirror together

a matched set. At

Cambridge Technology, we have matched all three components and tested them as a system.

Mixing and matching systems invalidates all of

the

calibrations that have been done. If mixing

the systems is unavoidable, please follow the entire tuning procedure in section 6.0. to verify

proper operation. Failure to do so could degrade the performance of the system or possibly

damage

tiie

system.

Always make sure the scanner is heatsinked properly before operating it for any length of time.

Failure to do so can cause a scanner failure due to overheating. Follow the mounting procedures

covered in the scanner's Instmction Manual.

Do not attempt to tum any of the servo adjustment potentiometers on the servo board until the

entire tune-up procedure has been read and fully understood! The error protection circuitry may

not work if the servo was improperiy adjusted, causing damage to the scanner.

The Series 670 Single Axis Mirror Positioning System is a high performance servo/scanner

system that requires delicate handling. Do not drop or mishandle the scanner, or damage may

result.

Do not operate a scanner without its mirror, or other appropriate load, attached securely to the

output shaft (except during mirtor alignment). Always ensure the mirror is pushed all the way

onto the scanner shaft before

tightening.

Do not use anything other than medium finger pressure

to install a mirror mount onto the shafl Always tighten the mirror mount screws tightly before

switching the system back to normal mode. Operating the scanner without a load may cause the

system to go unstable, possibly causing damage to the scanner. Do not change the mirrors in any

CTI system without checking the tuning afterwards. The ultimate performance of the system

will be greatly reduced.

When operating the system, do not repeatedly slam the scanner into its overposition limits at +/-

20° mechanical. Although the protection circuitry shuts the scanner down effectively, the

momentum of the rotor and load will still carry the rotor into the mechanical stop. If done

repeatedly, the scanner could be damaged.

If the system was ordered without mirrors, the electionics and scanner are tested with test loads,

then the servo is "detuned" as outlined in this procedure. These systems must be retimed by the

customer before the system can be operated normally. Please refer to section 6.0. for tuning

information.

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Axis 670 Bedienerhandbuch Seite 22