In Ex applications only one instrument and one electronics module withrespective Ex approval may be used.If there is no electronics module available on site, one can be orderedfrom the VEGA agency serving you.The new electronics module must be loaded with the settings of thesensor. These are the options:l At the factory by VEGAl Or on site by the userIn both cases, the sensor serial number is necessary. The serialnumbers are stated on the type label of the instrument, inside thehousing or on the delivery note.Information:When loading on site, first of all the order data must be downloadedfrom the Internet (see operating instructions manual "Electronicsmodule").The electronics modules are adapted to the respective sensor anddistinguish also in the signal output or power supply.Electronics module FX-E.60V suitable for VEGAFLEX 61, 62, 63 -4 … 20 mA/HART four-wire:l FX-E.60VX (X = without approvals)l FX-E.60VA (A = approval DA according to product list)l FX-E.60VC (C = approvals DX, EX, GX according to product list)8.4 Software updateThe software version of VEGAFLEX 65 can be determined as follows:l on the type label of the electronicsl via the indicating and adjustment modulel 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 software:l Sensorl Voltage supplyl VEGACONNECTl PC with PACTwarel Current sensor software as fileSensor serial numberAssignment4 … 20 mA/HART four-wire36 VEGAFLEX 65 • 4 … 20 mA/HART - four-wire8 Maintenance and fault rectification31846-EN-120329