... /RS485 WECON 40 i/o plc,LX2N-40MRC-A,compatible with Mitsubishi Model LX2N-40MR-A(AC100-240V,24x 24V DI,16x relay ... third kind of earth connection(do not share one place with high voltage system) *1Operating environmentClose corrosive,combustible gas, No large ... modbus,HMI,inverter and others device communication(optional)CAN:use board panel to extend(optional) Extension module Support to extend High ...