... (relay) Communication port:support RS422/RS485(optional) industral programmable logic controller,WECON plc,compatible with Mitsubishi Model LX2N ... 55 °CStorage temperature-20 ~ 70°CRelative humidity35-85%RHSeismic resistance(DIN rails)Meet JIS C 0040 standards, 10-57HZ ... between power port and earth terminal. Insulation resistanceDC500V insulation tester test above 5MΩ, meet JEM-1021 standards,between ...