Manufacturer: Baader
Product number: BA2957265

EUR 275,00


incl. 19 % VAT (DE)  
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Baader Steeldrive II motor focuser unit for Diamond Steeltrack® Focusers and other Focusers
The SD II motor unit is designed to be operated with the SD II control unit. If you want to use the motor without the Stedldrive II Control unit, you can find a diagram with the pin configuration for a self-made control in the manual (pdf). A control unit can control one motor unit at a time, but you can use a computer to control several controllers parallel.

The motor is designed to move to a saved position with highest precision if it is used together with the homing sensor – even if it has to move several kilograms over the complete travel of the focuser! The Steeldrive II Motor Focuser includesone motor unit with belt drive and a 3 m long connection cable. It can be connected to all Baader Steeltrack® and Diamond Steeltrack® focusers. A 3D-printed magent holder for homing sensor, which can be attached to the focuser. For Baader Diamond Steeltrack® focusers, a Metal Magnet Ring for Homing Sensor (Steeldrive II) (#2957264) is available separateley.

The motor unit of the Baader Steeldrive II can easily be attached to focusers with a dovetail clamp. A Baader Diamond Steeltrack® focuser ialready provides a matching 25 mm dovetail, as well as the previous Classic 2" or 3" Steeltrack® modells (25 mm or 27 mm dovetail). Other focusers can also be used, but they may need other adapters, which will either be offered by us in the future or must be custom-made by you.

The most important functions at a glance:
Up to two temperature sensors can be used in parallel for optimum compensation of temperature fluctuations.
A temperature sensor is already included in the scope of delivery of the Steeldrive II.
A controller (not supplied) can control one motor at a time. However, several controllers can be operated in parallel by software via one PC.
The powerful stepper motor works absolutely backlash-free due to the toothed belt. The step resolution is approx. 2.5 micrometers.
The easy-to-use control box (not supplied) allows you to quickly find the focus and save the focus position. The speed can be changed quickly and can be optimally adapted to the requirements.
The contact-free and wear-free homing sensor is activated by a magnet. This allows a reproducible approach from fixed stored positions.
The focus drift due to temperature fluctuations can be compensated, the SteelGO software calculates the factor and this can be stored locally in the control unit. The temperature compensation function can also be used in stand-alone operation without a computer.
The 12V/1A PWM output (PID controllable) enables the connection of heaters to the Steeldrive II and thus offers optimum control over heat supply.

Stepper motor load capacity:Moves up to 8 kg
Resolution:2.7 micrometres per step
Power output:12 V / 1 A PWM
Power consumption:0.7 Watt
Software:SteelGo Software (Download)
Weight:0.35 kg
Steeldrive II (SD II) motor unit
CAT 7 cable (3 m)
SD II toothed belt for Steeltrack ® OAZ
Temperature sensor with phone connector
Magnetic holder for homing sensor, including mounting screw
Allen wrench (2 mm)
Velcro straps (cable ties)



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