ESCON 4-quadrant PWM servo motor controller is designed to command permanent-magnet-activated brushed and brushless dc motors with Hall sensors up to 48 W continuous output and 144 W peak output. The innovative OEM plug-in module features excellent controller characteristics which include a drift-free yet dynamic speed behavior that enables speeds up to 150,000 rpm. It provides configurable digital and analog inputs/outputs and can be operated in various modes, such as speed controller (closed loop), speed controller (open loop), and current controller.