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an affiliate of Practical Micro Design, Inc.

Products for CNC and motion control applications

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PMDX now offers Gecko G203V stepper drivers
bundled with PMDX breakout boards. See each
breakout board product page for bundled pricing.


New products recently released, now shipping.


PMDX-108-Input 8 channel isolated input board

PMDX-108-Input

Eight Channel Isolated Input for pins 2-9 of parallel port
Inputs support mechanical switches, NPN sensors,
5 volt logic signals, or 24 volt PLC signals.
Use stand alone, or with SmoothStepper or PMDX-125
On board inverter to power isolated side.





PMDX-108-Input 8 channel isolated input board

PMDX-108-Output

Eight Channel Isolated Output for pins 2-9 of parallel port
Use stand alone, or with SmoothStepper or PMDX-125
Outputs are photo-MOSFET solid state relays that support
AC or DC up to 80 mA (150 mA peak) and 150 volts.
On board support for "Charge Pump" on pin 17.





PMDX-104 4-channel relay board

PMDX-104

Four channel isolated relay output board
Outputs support AC or DC loads up to 5 amperes maximum
Protection provided for use with inductive loads
Can also be used as "switches" to control VFDs and PLCs





PMDX-125 Multi-Mode Breakout Board

PMDX-125

MultiMode Breakout Board
Includes extra I/O and motor test functions
Mains powered, buffered outputs, isolated inputs
Great for use with SmoothStepper






More new products coming!

PMDX-107 Isolated Speed Control

PMDX-107

Isolated Speed Control
Basic speed control with isolated analog output
Includes 2 low power SSRs for VFD run controls
Daughter board that works on PMDX-125 or PMDX-132