Module D / A converter (VP9591) non-galvanically isolated analogue output 0 / 4-20 mA for converting (3-point) servo control signal to analog, power supply 24 VDC 80 mA, suitable for mounting on DIN-rail. The board must be powered by a separate power supply, such as power supply board 9511 with isolation transformer 24AC / 24DC-200mA.