Markus Eilers

Safety relay and safety-related communication system

Switching arrangement for control system, has current limiting element and active switching element which is downstream current limiting element

Safety circuit and safety switching device with a safety circuit

Excess voltage protective device for electronic modules

Electrical circuit assembly

Safety relay for safely switching off electrical device during emergency, has start input switching ON relay when mass is applied on start input and starting voltage applied on start input is removed

Security relay and security-oriented communication system

Sicherheitsschaltung und Sicherheitsschaltgerät mit einer Sicherheitsschaltung

Disturbed digital signal filtering method, involves providing serial discrete input signal values of digital input signal, and determining filtered output signal value in dependence of last stored input signal value

Circuitry for switching a relay in a safe switch point