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AS3179KT - Standalone / PC Unipolar Stepper Motor Driver

Ability Level 4: AdvancedProduct Formats Available: Pre-Assembled Module (AS) or
Self-Assembly Electronic Kit ( Soldering Required)

Drives any 5, 6 or 8-lead unipolar stepper motor rated up to 6A (5 - 35Vdc) in either Free-Standing or Computer-Controlled mode for CNC type applications.

Free-Standing mode provides motor speed control using an onboard trimmer and direction control is via an onboard switch. (internal oscillator)

Computer-Controlled mode provides direction and step control using pulses from the computer parallel printer port and can be used with a wide variety of CNC control software packages. Up to six 3179 driver boards (for controlling 6 motors) can be connected to a single PC parallel port.

Uses IRFZ44 power MOSFETs to drive the motors. These MOSFETs have a low on resistance and can carry 6 Amps each without a heatsink. Uses discrete logic ICs (4013, 4030, 4093).

Separate power connections are provided for the board and motor supplies. Screw terminal blocks and solder pins for connections.

Full operational details provided (see User Manual link below).

Board Supply9-12Vdc Regulated
Suitable Board
Power Supplies

- 660.446UK (with connector 778.106 or 777.001)
- CFE103

Motor Types5, 6 or 8-lead unipolar stepper motors
Motor Voltage5 - 35Vdc
Motor Current6 Amps maximum
Suitable Motor
Power Supplies
See Power Supply Kits & Modules and Power Supplies pages
Computer InterfaceParallel port (for computer control)
Overall Dimensions~ 80 x 50 x 22 mm
ConnectionsScrew terminal blocks and solder pads
Product FormatsSELF-ASSEMBLY Electronic Kit (KT) or
PRE-ASSEMBLED Electronic Module (AS) Product Formats Info
DocumentationUser Manual

A Visual Basic 6 program, VB_Stepper, is available for controlling stepper motor kits K113, K158 and K179 from a parallel port. All source has been provided to allow you to write your own visual basic programs. It uses the ActiveX component RSTimer which is a high speed timer from Ramon Sala. You can view his other components and software at http://www.elprogramari.com

For further information please look at the Help file VB_DAS.HLP or using Word open VB_DAS.rtf.

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