RTLA-30-100-Smart rotary stages incorporate a precision worm-gear drive mechanism and bearing components, are motorized with Smart motor/encoder combination, and can be controlled in closed-position mode, offering high resolution and multi-axis, daisy-chain operation. Worm gear ratios of 180:1, 90:1, 45:1 achieve 30 rpm rotation speed and translated resolution of 1.8 arc-sec. It has USB 2.0, RS-232, RS-485, Ethernet and CAN interfaces.