Universal amplifier for proportional valves, the EWM-A-PV card is a universal power amplifier, for proportional valves, with current output current in the closed ring, for assembly on GUIDE DIN EN 50022 Monosolenid proportional valves (flow, pressure, management,) or control through three digital entrance signals of mono or bi-seoleide proportional valve; ramps and max eight values ​​per command must be pre-configured via software. There are functions of linearization of the curve and monitoring of errors. To configure the card, the EWMPC/20 software, can be downloaded on this page. Connection with USB port on the front. The manuals are available upon registration for the reserved area.