FIELD DEVICE ADAPTER FOR WIRELESS DATA TRANSFER

A field device adapter for wireless data transfer, comprises at least: an adapter housing; an adapter electronics unit arranged in the adapter housing, the adapter electronics unit comprising a first supply circuit, which is introduced into the first connection line, for providing a first supply voltage from a loop current flowing in the first connection line, and a second supply circuit, which is introduced into the second connection line, for providing a second supply voltage from the loop current flowing in the second connection line, wherein the adapter electronics unit further comprises a HART modem and a wireless module with an antenna for transmitting and/or receiving, and the adapter electronics unit is configured such that the first supply circuit supplies the HART modem with the first supply voltage, and the second supply circuit supplies the wireless module with the second supply voltage.