Thank you very much for your quick anwer Michael.

Note that Astro-Physics has very recently upgraded their encoders from
4.000 to 10.000 tics (for AP600 and also AP900 and AP1200 mounts).

Best regards,
Marc

--- In fs2users@yahoogroups.com, "Michael Koch" <astroelectronic@...>
wrote:
>
> Hi Marc,
>
> Parameters for AP600 with SECM3 motors, for 12V:
>
> Motor 1 Motor 2
> Right Ascension Declination
>
> Low Coil Current
> (for low speed): 500mA 500mA
>
> High Coil Current
> (for high speed): 950mA 950mA
>
> The coil current is switched
> from low to high at this
> frequency (Freq1): 0Hz 0Hz
>
> The current regulator is
> switched into the faster mode
> at this frequency (Freq2): 30Hz 30Hz
>
> Full Steps per Motor Revolution: 200 204
>
> Gear reduction ratio: 1920 1721
>
> Current Waveform: Microstep
> Microstep
>
> Acceleration: 30 30
>
> Gear clearance time: 0.00sec 0.00sec
>
> This frequency is used for gear
> clearance compensation (Freq3): 40Hz 40Hz
>
> Turn Direction: right right
>
> Encoder Resolution: 4000 4000
>
> Encoder Direction: right right
>
> Encoders available: yes
>
> Teeth count of RA worm wheel: 192
>
> Declination PEC Corrections: yes
>
> Timer Function: no
>
> Exposure Time: 10 Minutes
>
> Language: German
>
> Key assignment: top: north below: south left: east right: west
>
> Speed Rates:
> Rate 1: 0.25x
> Rate 2: 1.00x
> Rate 3: 5.00x
> Rate 4: 50.00x
> Rate 5: 400.00x
>
>
> Michael
>