1. A method for safe or reliable parameterization in accordance with IEC 61508 SIL 3 or EN 954-1 Category 4 of an electronic appliance, the method comprising: acquiring parameter values which are intended for parameterization and having been selected or entered via a user interface of an electronic control device; and subsequently transmitting the selected or entered parameter values to the electronic appliance; characterized by: keeping the selected or entered parameter values in at least one memory, which can be accessed by the control device, and reading back the selected or entered parameter values at least once from the at least one memory for verification of the safe parameterization.