The present invention relates to a system and methodology facilitating remote maintenance in an industrial control environment. An industrial control system is provided that includes an industrial controller to communicate with a network. Explicit and/or implied maintenance events are determined, wherein...http://www.google.com.tw/patents/US7203560?utm_source=gb-gplus-share專利 US7203560 - System and methodology facilitating remote and automated maintenance procedures in an industrial controller environment