Abstract: An electrically operated installation and method has a plurality of electrical loads, in which the event of a failure of a basic supply voltage the electrical loads are supplied by a backup voltage, wherein a power supply unit exchanges data with several loads via a field bus, the loads each have a software module for communication via the field bus, a software module of a load is configured as a master and the software modules of the other loads are configured as slaves, the power supply unit as a communication partner of the master controls a regulated shutdown procedure of the loads, in the event of a failure of the basic supply voltage the power supply unit reports this to the master via the field bus, and the master and the software modules of the loads perform the shutdown procedure in configurable synchronization stages.

Abstract: An electrically operated installation and method has a plurality of electrical loads, in which the event of a failure of a basic supply voltage the electrical loads are supplied by a backup voltage, wherein a power supply unit exchanges data with several loads via a field bus, the loads each have a software module for communication via the field bus, a software module of a load is configured as a master and the software modules of the other loads are configured as slaves, the power supply unit as a communication partner of the master controls a regulated shutdown procedure of the loads, in the event of a failure of the basic supply voltage the power supply unit reports this to the master via the field bus, and the master and the software modules of the loads perform the shutdown procedure in configurable synchronization stages.