PWM Generator for driving and measuring of proportional valves - can be used for driving and/or measuring of proportional valves (lifetime tests, tools for adjusting valves) - communication by digital I/O and/or RS232/RS485 - measuring of valve characteristics - measuring of electrical resistance of valves - 3 independent PWM outputs - 3 independent analog inputs 0-2V/0-20mA 16bit ADC - output voltage max. 25V - output current max. 3A