METHOD FOR TAMPER-PROOF OPERATION OF FIELD DEVICES IN AUTOMATION ENGINEERING

摘要

The present disclosure relates to a method for tamper-proof operation of a field device in automation engineering, comprising: creating an order ticket via or using an order management system, wherein the order ticket contains data authorizing a defined service technician to perform a defined work order on a defined field device, transmitting the order ticket to the defined field device, logging-in of the defined service technician to the defined field device by means of the order ticket or by additional input of authentication data, checking the order ticket or the authentication data by means of the field device, if the check is positive, authorization is given to perform the defined work order, performing of the defined work order by the defined service technician on the defined field device, and automatic creation of a confirmation ticket relating to the defined work order or its performance on the defined field device.