These power supplies combine fast average command processing times of less than 50 ms, with the flexibility of industry-standard GPIB, LAN, USB & RS485 interfaces making them ideal for ATE applications. Built-in voltage and current meters display settings and output values concurrently, and units provide standard USB & RS485 interfaces (-GL models include GPIB and LAN). Power supplies feature easy-to-configure master/slave mode for series & parallel connection of up to 4 units, OVP, OCP, OPP protection, and the ability to control up to 31 power supplies from one PC via the RS485 interface.