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