A networked system is provided for connecting a plurality of programmable logic controllers together in a manner which more efficiently uses available network bandwidth. The network includes a producer controller and at least one consumer controller. The producer controller shares a portion...http://www.google.fr/patents/US6169928?utm_source=gb-gplus-shareBrevet US6169928 - Apparatus and method for sharing data among a plurality of control devices on a communications network
Apparatus and method for sharing data among a plurality of control devices ...