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Model PMDX-134
Simple Motherboard for Geckodrive
G201X, G203V, G210X and G213V
Stepper Motor Drivers
Top image shows PMDX-134 set up with typical installation using a PMDX-125 or
PMDX-126,
ribbon cable, and 4 Gecko G203V drivers.
Click on image for larger view

This image is a top view showing Geckodrive G203V
drivers installed under a PMDX-134.
Click on image for larger view

This image is an edge view showing Geckodrive G203V
drivers installed under a PMDX-134.
Click on image for larger view

This image shows the bare PMDX-134 as delivered.
Click on image for larger view
The PMDX-134 is a mother board for interfacing Gecko stepper drivers with CNC
controls.
Features of the PMDX-134
- Simplifies system wiring and makes most connections pluggable.
- Mates directly with up to 4 each G201X or 4 each G203V Gecko drivers by plugging onto
terminal strip pins of the drives
- Future Gecko stepper drivers that use Ground as COM (common) for Step and
Direction may also be compatible.
- Allows unobstructed access to Gecko adjustment potentiometers and DIP switches
- Includes 2 metal standoffs for mounting the PMDX-134 at the correct height
- Does NOT
support the G320 and G340 servo drivers or older G201, G202, G210, and G212
stepper motor drivers.
- Can connect directly to a PC parallel port using DB25RIBBON
and DB25MtoM cables
- Can connect to PMDX-125 or PMDX-126
using a HDR26RIBBON or HDR26RIBBON-18
cable.
- Can connect to other breakout boards with compatible parallel port ribbon
header connectors.
- Can connect to the SmoothStepper or other pulse generators with parallel
port style ribbon header connectors.
- Motor connections are made by re-using the pluggable terminal strips
supplied with the Gecko drivers.
Breakout board feature comparison
table
** Geckodrive, Inc. the maker of the Gecko stepper motor drives is a separate company
from PMDX and is not responsible for the statements made on this web site or in other PMDX
documents.
Note: The step and direction signals
used to run this board as a real time CNC device require precise timing. These
signals are normally provided by a personal computer motherboard with an onboard
parallel port, a parallel port interface card plugged into a motherboard with
ISA, PCI, or PCI-Express slots, or by an external device such as the
SmoothStepper.
You cannot use a USB to printer adapter because it will alter critical timing of
CNC control signals. Laptop computers, even those with parallel port interfaces,
are not recommended as CNC control computers due to design features that can
alter critical timing. If you must use a laptop be prepared to deal with these
design issues and/or plan on using an external pulse generating device such as
the SmoothStepper.
Download the manual in PDF format here
(revision 1.0, 161 KB, 24 Feb 2011).
The PMDX-134 is priced at $55.00
See special pricing on G203V and G320X drivers
here.
Cables are sold separately, please order the ones that you need.
For International customers or for alternate payment
options - click HERE
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