1.It has 30 prefabricated multi-segment and multi-segment free-form temperature programmable functions, selectable multiple startup method, arbitrary skip operation, and manual modification of the current running clock; when STA=0, it can be used as a fixed-value controller. 2.In the heating section, in order to prevent the possibility of a large deviation when the power is tured off and then on(SV-PV), which may cause the destrucion of the instantaneous high-power output system, the "3" item in the STA menu will automatically When PV starts, it is guarenteed that(SV-PV)=0 deviation when power is turned on again. 3.Display the running status of the program, which is more intuitive and clear. 4.¡El machine can be configures with externalyy set SV value' optional dual output cooling and heating control mode. 5.Slope temperature compensation. 6.Provide four communciation formats.