... inside, remote upgrading, operation and maintenance lValue added service development, realize operation management on check on work attendance, ... spare part supply system for operation;lProviding technical development service, OEM cooperation.Featuresl32 CPU of ARM9 MPU adopted ... screen;l5 programming language of IEC61131-3sustainable for user second development, including LD ,FBD,SFC,IL and ST;l64M, ...