The G540 is a complete 4-axis system which plugs directly into your computer via the parallel port and to your motors through DB9 connectors. It contains four of our G250 drives, our own breakout board and a hard anodized aluminum case.

      G540 Specifications:

      - Four 10-Microstep motor drives
      - 0 to 3.5A rated phase current
      - 18VDC to 50VDC supply voltage
      - Mid-band resonance compensation
      - Auto standby current (70% current)
      - Short-circuit protected
      - Optoisolation on all LPT signal pins
      - Two 1A at 0 to 50VDC rated outputs
      - Four SPST to GND inputs (TTL)
      - FAULT indicator LED,signal to PC
      - POWER indicator LED
      - I-SET resistor on motor connector
      - TRIM adjust for motor smoothness
      - Panel mount (5.7” by2.4” hole dim.)
      - Anodized aluminum package
      - No heatsink needed below 40C ambient
      - Easy to service, removable drives
      - Modular PCB design with no internal wires
      - 10kHz watchdog timer (charge pump)
      - Optoisolated analog output for a VFD drive
      - Conservative ratings, premium components
      - Comes with four backshells and four DB9 solder cup connectors

G540 Manual (PDF)

Related Application Notes:

G540 Software Configuration File (XML)
G540 Initial Setup Guide (PDF)
G540 Heatsinking Experiment and Guide (PDF)
Step Motor Basics Guide (PDF)
Step and Direction Tester (PDF)

Legacy Manuals

G540 REV1 Manual (PDF)
G540 REV3 Manual (PDF)