Abstract: The invention relates, in particular, to an automation system (10; 110), in which a programmable logic control device (20; 120) can be connected via a network (100; 200) to a database system (60; 160). So that the programmable logic control device (20; 120) can exchange data directly with the database system (60; 160), the programmable logic control device (20; 120) has a first driver module (42; 132) associated with a physical interface (50; 150) for controlling data transmission via the network (10; 110) and also a second driver module (41; 132) for controlling the data exchange with the database device (60; 160).

Abstract: The invention relates to a client device that is constructed for communicating via a communications network with a remote server device on which a computer program is running. The client device includes a receiver device (101) for receiving a copy of the computer program via the communications network, a processor device (103) for carrying out a change in the copy of the computer program, and a transmitter device (105) for transmitting the change via the communications network to the remote server device.

Abstract: The invention relates, in particular, to an automation system (10; 110), in which a programmable logic control device (20; 120) can be connected via a network (100; 200) to a database system (60; 160). So that the programmable logic control device (20; 120) can exchange data directly with the database system (60; 160), the programmable logic control device (20; 120) has a first driver module (42; 132) associated with a physical interface (50; 150) for controlling data transmission via the network (10; 110) and also a second driver module (41; 132) for controlling the data exchange with the database device (60; 160).