... port:support RS422/RS485(optional) WECON plc,programmable transistor control,replace FX2N plc Model LX2N-40MT-A(AC100 ... -240V,24 24V DI,16 transistor DO)Power specifications Rated voltageAC100-240VAllowed limitsAC85-264VRated frequency50/ ... ,between power port and earth terminal. Insulation resistanceDC500V insulation tester test above 5MΩ, meet JEM-1021 standards,between power ...