Xenon - Model XE924 - Multiplexer ??? Digital / Analog Converter - Brochure

Converts up to four dry contact inputs into a 4-20mA DC analog signal for easy monitoring of multiple devices over a single pair. Compatible with all 4-20mA analog input devices. Monitor remote digital contacts wirelessly by coupling the multiplexer with a compatible WirelessHART device. Cost effective alternative to expensive stand alone WirelessHART digital transmitters.