The Z-8TC-LAB is a digital thermocouple ( type J,K,R,S,T,B,E,N or shunt up to 70 mV) converter, with eight measurement channels, isolated from the power supply and serial communication line up to 1.5 kVac. The same isolation is provided between channels belonging to different groups of terminals: the module has total isolation of six points. RS485 2 wire, ModBUS RTU slave protocol