Client- Server network based data acquisition & control of different test parameters & test conditions using RS 485 & Ethernet Communication between server & Instruments like Energy meters on MODBUS & PLC with Ethernet. Test application is running on 5no. Of PCs which are cross connected between five UPS test panel on LabVIEW platform. All test data are logged in SQL database on Server. Test report can be generated & printed from any of 5 PCs connected via Ethernet as client. Controlling of different test conditions during the entire test cycle are done through PC.