The invention relates to an elevator control apparatus (30) for an elevator system (10) comprising at least one elevator car (16) that can be displaced in a shaft (12), for transporting persons and/or loads, by means of a drive device (24), wherein the elevator control apparatus (30) is connected to input and output devices and to sensors of the elevator system (10) and also to the drive device (24) and controls the operation of the elevator system (10). In order to further develop the elevator system (24) such that it can be produced more cost-effectively and be implemented more easily, according to the invention, the elevator control apparatus (30) has an elevator-specific base system (60) and a standardized application system (61). The base system (60) comprises input/output elements (75), at least one field bus interface (72, 73) or at least one serial interface (71), and a signal processing element (69) for processing real-time-relevant signals. The application system (61) comprises a standardized, hardware-independent programmable signal processing element (83) for processing non-real-time-relevant signals, with an operating system. Bidirectional data can be transmitted between the two systems (60, 61). FIG. 2
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