Geckodrive G540 4-Axis Bipolar Stepper Motor Driver

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. Specifications Current Version Four 10 microstep fixed resolution discrete motor controls 0 to 3.5A rated phase current 18VDC to 50VDC supply voltage Mid-band resonance damping 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 FAULT indicator LED,signal to PC POWER indicator LED I-SET resistor on motor connector Morphs to full step at higher speeds to maximize motor torque 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