Method for operating an arrangement having a control station device and a system station which is connected thereto and comprises at least one field device, - wherein in the method the field device transmits data telegrams (DT1, DT2) to the control station device using station description data of a station description data set (D1, D2) which describes the system station, and - wherein the station description data set comprises a topology description part (T1, T2) which describes the topology of the system station and describes function-related, device-independent addressing according to the "functional naming addressing scheme" in accordance with IEC 61850-6 standard, and a device description part (G1, G2) which describes the field devices associated with the system station and device-dependent addressing according to what is referred to as the "product-naming addressing scheme" in accordance with IEC 61850 standard, wherein - the field device generates the data telegrams with station description data of a first station description data set which is compiled in accordance with the standard IEC 61850 and specifies an addressing scheme which is used to operate a communication link between the field device and a conversion device, - the data telegrams which are generated by the field device are conducted to the conversion device, and - the conversion device modifies the received data telegrams and generates modified data telegrams (DT1') in accordance with a predefined second station description data set which is compiled in accordance with the standard IEC 61850 and specifies an addressing scheme which is used to operate a further communication link between the conversion device and the control station device, - wherein the device description part of the second station description data set has at least one device description indication which is contained exclusively in the topology description part in the first station description data set. - wherein in the method the field device transmits data telegrams (DT1, DT2) to the control station device using station description data of a station description data set (D1, D2) which describes the system station, and - wherein the station description data set comprises a topology description part (T1, T2) which describes the topology of the system station and describes function-related, device-independent addressing according to the "functional naming addressing scheme" in accordance with IEC 61850-6 standard, and a device description part (G1, G2) which describes the field devices associated with the system station and device-dependent addressing according to what is referred to as the "product-naming addressing scheme" in accordance with IEC 61850 standard, - the field device generates the data telegrams with station description data of a first station description data set which is compiled in accordance with the standard IEC 61850 and specifies an addressing scheme which is used to operate a communication link between the field device and a conversion device, - the data telegrams which are generated by the field device are conducted to the conversion device, and - the conversion device modifies the received data telegrams and generates modified data telegrams (DT1') in accordance with a predefined second station description data set which is compiled in accordance with the standard IEC 61850 and specifies an addressing scheme which is used to operate a further communication link between the conversion device and the control station device, - wherein the device description part of the second station description data set has at least one device description indication which is contained exclusively in the topology description part in the first station description data set.