The TAC Xenta ® 110-D offers flexible solutions with HVAC, light control and more. It is primarily intended for dual zone control. The controller includes 4 identical lamp actuator objects for turning lamps on/off by using switches and occupancy signals. One constant light controller object is present for adjustable light level control. Two identical Space Comfort Controller objects for basic heating and cooling (on/off) control. The TAC Xenta 110-D is available in three different models: 24 V AC supply, 115 V and 230 V mains supply. The controller is a LonMark® certified device aimed at communicating on a LonTalk® TP/FT-10 channel with a twisted-pair, unpolarized cable. It is able to operate both as a stand-alone device and as part of a system.