438 Maintenance and fault rectificationVEGABAR 54 • Foundation Fieldbus - climate compensated36791-EN-1410018.4 Exchanging the electronics moduleIn case of a defect, the electronics module can be exchanged by theuser against an identical type. If no electronics module is available onsite, the module can be ordered through the agency serving you.Ordering and exchange are possible with or without sensor serialnumber. The electronics module with serial number includes order-specific data such as factory setting, seal material etc. These are notincluded in the electronics module without serial number.The serial number is stated on the type label of VEGABAR 54 or onthe delivery note.8.5 Software updateThe software version of VEGABAR 54 can be determined as follows:• on the type label of the electronics• Via the display and adjustment module• via PACTwareYou can view all software histories on our website www.vega.com.Make use of this advantage and get registered for update informationvia e-mail.The following components are required to update the sensor soft-ware:• Sensor• Voltage supply• VEGACONNECT• PC with PACTware• Current sensor software as fileAt "www.vega.com/downloads" go to "Software". Select under "plicssensors and instruments", "Firmware updates" the respective instru-ment series and software version. Load the zip file via the right mousekey with "Save target as" e.g. on the desktop of your PC. Move withthe right mouse key to the folder and select "Extract all". Save theextracted files, for example on the desktop.Connect the signal conditioning instrument to power supply andprovide the connection from the PC to the instrument via the interfaceadapter. Start PACTware and go via the menu "Project" to the VEGAproject assistant. Select "USB" and "Set instruments online". Activatethe project assistant with "Start". The assistant establishes the con-nection automatically and opens the parameter adjustment window"Sensor # online parameter adjustment". Connect this parameteradjustment window before you carry out further steps.Select with the right mouse key the sensor in the project and go to"Additional function". Then click to "Software update". The window"Sensor # software update" opens. PACTware checks now the sensordata and displays the actual hardware and software version of thesensor. This takes approximately 60 s.Load sensor softwareto PCPrepare updateLoad software into sen-sor