Is it true, that it is possible to make a logic module, which will connect C-Bus with ModBus devices using PACA serial? ModBus is world widest used protocol to monitor and control ventilation, energy stations, UPS's, power meters, boilers and other standalone homes equipment. It uses RS232/485 or TCP/IP as transport. [URL]http://en.wikipedia.org/wiki/Modbus[/URL] Have anyone done this kind of logic?