[Model Supported] DG811,DG821,DG831,DG812,DG822,DG832,DG952,DG972,DG992,DG2052,DG2072,DG2102 [Latest Revision Date] 2020-02-18 [Updated Contents] v00.02.04.00.00 2020-02-18 - Add open source declaration in help UI - Solve the problem of address error in ultralab heartbeat server configuration - Solve the bug that the relay output instantaneous voltage error after setting offset