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Dual Motor Focus Controller v3.x
Thank you for choosing our Dual Motor Focus Controller
Pegasus Astro – Copyright 2021
Documentation: Feb/21

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Summary of Contents for Pegasus Astro Dual Motor Focus Controller v3.x

  • Page 1 Dual Motor Focus Controller v3.x Thank you for choosing our Dual Motor Focus Controller Pegasus Astro – Copyright 2021 Documentation: Feb/21...
  • Page 2 The controller can be operated by the standalone DMFC software. (Available for Windows OS). It is also fully compatible with ASCOM 6. Controller firmware supports reprogramming via the USB 2.0 connection with the help of a firmware upgrade software, for future features which may become available. Pegasus Astro – Copyright 2021...
  • Page 3 Do not allow solvents or chemicals to come into contact with the device • Store controller indoor in a dry room when not in use • Do not touch the internal components as they may get hot when in use Controller Design Overview Pegasus Astro – Copyright 2021...
  • Page 4 Stepper Motors utilize first four (4) pins of D Sub 9 female jack • DC Motors utilize first two (2) pins of D Sub 9 female connector. Duty cycle pulse width modulation (PWM) controls the motor. Female D Sub Stepper Motor Pegasus Astro – Copyright 2021...
  • Page 5 STEPPER MODE PIN 1 PIN 2 PIN 3 COIL 1+ PIN 4 COIL 1- PIN 5 COIL 2+ PIN 6 COIL 2- PIN 7 PIN 8 DC MODE PIN 3 POWER + PIN 4 POWER - Pegasus Astro – Copyright 2021...
  • Page 6 Please notice that you have to connect the temperature probe before you power on the controller. If you connect it later you will have to wait for 30 seconds for probe recalibration. Pegasus Astro – Copyright 2021...
  • Page 7 Permanently Green Light Controller Start-up Permanently Green Light Knob encoder set to normal speed Permanently Yellow Light Knob encoder set to 1/10 speed Permanently Off Controller not operational or LED switched off from software Pegasus Astro – Copyright 2021...
  • Page 8 If you get a faulty unit, please contact us as soon as possible through email: support@pegasusastro.com Please describe the problem in detail, and we will do our best to solve the problem. Most instances are perceived problems which are caused by a bad driver install or software configuration. Pegasus Astro – Copyright 2021...
  • Page 9: Troubleshooting Guide

    Stepper motor makes strange Motor has been connected with Check cable order is correct and noises wrong cabling or a cable has retry or replace serial cable been disconnected / cut (stepper motor requires 4 cables) Pegasus Astro – Copyright 2021...
  • Page 10 Software installation Latest software and drivers release can be found at Pegasus Support site: http://pegasusastro.com/support Please download and install the following: • ASCOM6 Driver for DMFC • Standalone DMFC Application • USB Drivers for DMFC 10 Pegasus Astro – Copyright 2021...
  • Page 11 Standalone application does not require ASCOM drivers and it can fully configure / operate the controller. The first thing you need to do is to select your Focus controller. • Click “Settings” tab and locate the Connectivity section. 11 Pegasus Astro – Copyright 2021...
  • Page 12 • Click “Device ID”. A drop-down instantly lists all the discovered Pegasus Astro Focus controllers. • Select your desired device from this list. You can also choose the “Auto Select” option which will automatically use the first discovered controller of your system.
  • Page 13 Position Presets and Motor Rates You can easily set and save custom names and step values. Right click each position preset or rate and a popup window will appear. Type the desired step count and click OK button. 13 Pegasus Astro – Copyright 2021...
  • Page 14: Motor Control

    Click each button. Each button represents how many steps the motor is going to move forward (+ steps) or backwards (- steps). Notice that “Position” indicator will change its value and will confirm your command 14 Pegasus Astro – Copyright 2021...
  • Page 15 Motor will start moving to the new position you defined. You can monitor the running motor position on the position readout. Emergency Motor Stop Click the “HALT” button and the motor will instantly stop. A handy button if you want to instantly stop the running motor. 15 Pegasus Astro – Copyright 2021...
  • Page 16: Ambient Temperature

    You can easily check what was the last focus temperature so you will estimate if it is time to refocus. Usually, a temperature difference of 2 degrees demands a telescope re-focus. (Lots of factors rule this decision such as type of glass, carbon or aluminum tube etc.) 16 Pegasus Astro – Copyright 2021...
  • Page 17 In case you need to reverse the motor rotation you can switch the “Reverse” button to ON. Reverse button is located at “Settings tab. Reverse Setting is stored in controller’s memory A reverse icon will be appeared at the status window of the main application pointing that you have enabled this option. 17 Pegasus Astro – Copyright 2021...
  • Page 18 To enable backlash compensation, set Backlash Comp to ON and type the backlash step number at the popup window. Click OK. Setting is stored in the EEPROM and backlash compensation is applied on every motor movement. 18 Pegasus Astro – Copyright 2021...
  • Page 19 Press the knob for two (2) seconds. • You can also disable it from the settings of the standalone software. Hand Controller’s both leds will turn on and the software will report the disabled status of the knob. 19 Pegasus Astro – Copyright 2021...
  • Page 20 Firmware and Software Version Useful information about the: • Commands exchanged • Software version • Model of your controller (name and revision of the electronic board) • Firmware version can be viewed on the “Information” tab. 20 Pegasus Astro – Copyright 2021...
  • Page 21 Locate the instance launch button on the toolbar. Click button. Which will allow you to spawn up to 4 different instances (with different settings). 21 Pegasus Astro – Copyright 2021...