A memory-programmable controller used, in particular, in a larger automation system and a method for operation of a memory-programmable controller (S1-Sn). The memory programmable controller (S1-Sn) is linked to a central computer (R) of the automation system over a network (2). All of the user data...http://www.google.de/patents/US6505084?utm_source=gb-gplus-sharePatent US6505084 - Programmable controller which operates by means of data management using network computers and method for operating a programmable controller
