Siemens SITRANS FC430 Operating Instructions Manual page 27

Improper device modifications
Risk to personnel, system and environment can result from modifications to the device,
particularly in hazardous areas.
● Only carry out modifications that are described in the instructions for the device. Failure
FC430 (From firmware 4.0)
Operating Instructions, 06/2017, A5E39789392-AA
WARNING
to observe this requirement cancels the manufacturer's warranty and the product
approvals.
Safety notes
2.4 Use in hazardous areas
27