Abstract: A safety system includes a safety unit and at least one safety related participant which comprises a protective device and a first and a second interruptible signal transmission path which can be interrupted together on the occurrence of a non-secure state of the protective device. The safety system includes at least one test signal path which runs through the safety related participant to a safety input of the safety unit starting from an output of the safety unit and comprises at least one of the first and the second interruptible signal transmission paths. The safety related participant comprises an interruption switch arranged in the test signal path and an evaluation unit which is connected to the first signal transmission path and/or to a first switching signal output of the protective device and to the second signal transmission path and/or to a second switching signal output of the protective device.

Abstract: The invention relates to a method for the programming of a safety controller to be interconnected with encoders and actuators, wherein a wiring plan or a specific wiring is first prepared, whereupon an automated programming of the safety controller takes place using the wiring information.

Abstract: A safety system includes a safety unit and at least one safety related participant which comprises a protective device and a first and a second interruptible signal transmission path which can be interrupted together on the occurrence of a non-secure state of the protective device. The safety system includes at least one test signal path which runs through the safety related participant to a safety input of the safety unit starting from an output of the safety unit and comprises at least one of the first and the second interruptible signal transmission paths. The safety related participant comprises an interruption switch arranged in the test signal path and an evaluation unit which is connected to the first signal transmission path and/or to a first switching signal output of the protective device and to the second signal transmission path and/or to a second switching signal output of the protective device.

Abstract: A modular safety switching system (10) with at least one output module (14) and a central control unit (28), which is connected to all output modules (14) via a bus (22). The output module (14) receives input data of at least one sensor (16) or switch (16a) and has at least one output (14b) for an actuator. The central control unit (28) is designed to receive at least a portion of the input data which is evaluated for the transferring of the output data to the output (14b). The output module (14) has its own, dedicated output module control unit (20), which evaluates the input data in collaboration with the central control unit for the purpose of transferring the output data to the output (14b). A suitable method is also disclosed.

Abstract: The invention relates to a method for the programming of a safety controller to be interconnected with encoders and actuators, wherein a wiring plan or a specific wiring is first prepared, whereupon an automated programming of the safety controller takes place using the wiring information.

Abstract: A modular safety switching system (10) with at least one output module (14) and a central control unit (28), which is connected to all output modules (14) via a bus (22). The output module (14) receives input data of at least one sensor (16) or switch (16a) and has at least one output (14b) for an actuator. The central control unit (28) is designed to receive at least a portion of the input data which is evaluated for the transferring of the output data to the output (14b). The output module (14) has its own, dedicated output module control unit (20), which evaluates the input data in collaboration with the central control unit for the purpose of transferring the output data to the output (14b). A suitable method is also disclosed.

Abstract: A method of secure transmission of data signals over a bus system is described, where the data signals are generated by at least one sensor and are transmitted over the bus system to at least one actuator. The data signals generated by at least one of the sensors are encoded according to a predetermined secure encoding method before being introduced into the bus system. The encoded data signals are fed into the bus system and transmitted over it. The encoded data signals are received by at least one of the actuators and decoded according to a decoding method corresponding to the predetermined secure encoding method. In addition, an electronic monitoring system is described for carrying out this method.

Abstract: A coupling apparatus is described for the connection of devices such as sensors, actuators, contact free protection devices (electro-sensitive protection equipment ESPE), light barriers or controls to a bus system. The coupling apparatus includes at least one connection unit at the bus side for the connection of the coupling apparatus to the bus system and at least one connection unit at the device side for the connection of a device to the coupling apparatus. The connection unit at the device side includes n (n>1) contact elements of which each has one pre-defined functional property from a set of m (m>1) pre-defined functional properties. At least some of the contact elements are designed as variable contact elements to each of which one of the pre-defined functional properties can be variably assigned.

Abstract: A coupling apparatus is described for the coupling of devices such as sensors, actuators or controls to a bus system. The communication between the devices, i.e. the transmission and/or reception of data via the bus system takes place via any desired given first communications protocol (bus protocol). At least one interface at the device side is provided for the connection of a device to the coupling apparatus, with the interface at the device side being designed for the communication with the device via a second standardized communications protocol different from the bus protocol. Furthermore, at least one interface at the bus side is provided for the connection of the coupling apparatus to the bus system, with the interface at the bus side being designed for communication with the bus system via the bus protocol.

Abstract: A safety switching arrangement has at least two break switches (12a, 12b, 12c) which are connected in series to an evaluation unit (11), in which case the evaluation unit (11) initiates a safety signal, in particular an alarm signal and/or disconnection signal, when at least one of the break switches (12a, 12b, 12c) opens, and determines which of the break switches (12a, 12b, 12c) has opened.