Method of clock distribution for operating an automation system

US8041858B2 · kind B2 · utility

Assignee

• Siemens Aktiengesellschaft · DE

Inventors

• Georg Biehler · Koblenzer Straße, DE
• Andreas Löwe · Dresden, DE
• Ines Molzahn · Erlangen, DE

Key dates

• Filing date: Jun 11, 2009
• Grant date: Oct 18, 2011
• Expiry date: Dec 1, 2029

Classification

• Technology area (CPC G): Physics
• CPC primary: G05B2219/25399
• WIPO field: Control
• WIPO sector: Instruments

Abstract

A method of operating an automation system with a plurality of automation devices connected for communication with a central unit is provided. Each automation device handles communication in accordance with a send clock. The central unit stores for each automation device accessible for communication information about the send clock for this device in a database. Further, the central unit handles communication with the automation devices according to their individual send clock.