3ContentsVEGAFLEX 81 • Modbus and Levelmaster protocol42283-EN-1404308.6 Software update ............................................................................................................. 678.7 How to proceed if a repair is needed .............................................................................. 679 Dismounting9.1 Dismounting steps.......................................................................................................... 689.2 Disposal ......................................................................................................................... 6810 Supplement10.1 Technical data ................................................................................................................ 6910.2 Basics Modbus............................................................................................................... 7710.3 Modbus register ............................................................................................................. 7910.4 Modbus RTU commands ............................................................................................... 8110.5 Levelmaster commands ................................................................................................. 8410.6 Configuration of typical Modbus hosts ........................................................................... 8810.7 Dimensions .................................................................................................................... 92Safety instructions for Ex areasPlease note the Ex-specific safety information for installation and op-eration in Ex areas. These safety instructions are part of the operatinginstructions manual and come with the Ex-approved instruments.Editing status: 2014-03-31