... effectively.2, Carrier frequency is adjusted according to module temperature automatically.3, Leakage current is reduced considerably with ... terminalsCFC-1000 converter provide terminals of input VS1:0~10v, input VS2:-10~10v ,run stop, forward/backward , frequency pulse input ... channel external fault alarm relay output , collector output,0~10v output,4~20mA output and frequency pulse output.PUBIC ...