Drives motors up to 40V at 3.5A Adjustable drive current settings from 0.5 to 3.5A Output overload protection Synchronisation output for multi-axis systems Full and half step drive modes TTL & CMOS compatible control interface Output disable input 5 & 12Vdc auxiliary outputs for external device energisation Status LED's for condition monitoring Provision for assembling on-board oscillator with ramp, low and high speed ranges Single rail power supply for both motor drive and logic supplies