Viktor Oster

METHOD FOR TRANSMITTING DATA BETWEEN A CENTRAL CONTROL APPARATUS AND A PLURALITY OF DECENTRALIZED DEVICES, AND CORRESPONDING MEANS

Communication system for current-modulated data transmission via a current loop

Control and data-transfer system, gateway module, I/O module, and method for process control

Secure electronic device

Analog signal input circuit to process analog input signals for the safety of a process

Communication system with monitored input state of an input device as well as current-increasing device

CONTROL SYSTEM FOR CONTROLLING A PROCESS

Signal processing device

Ensuring maximum reaction times in complex or distributed safe and/or nonsafe systems

Circuit arrangement for protecting electronic devices against incorrect logic voltages

Method and control and data-transmission system for checking the installation location of a safety communications component

Data transmission and processing system with reliable acquisition of critical states

Safe input circuit with one-channel peripheral connection for the input of a bus participant

Safe output circuit with a one-channel peripheral terminal for the ouput of a bus user

Method and system for transmitting data of a data type to be transmitted cyclically and of a data type which can be transmitted acyclically via a common transmission channel

Method and apparatus for converting multichannel messages into a single-channel safe message

Method and apparatus for bus coupling of safety-relevant processes