Patent ID: 9042708
Filing Date: 2015-05-26
Classification: G05B

Abstract:
1. A digital recording system for a process control system of a process plant, the digital recording system comprising: an image capture hardware device including a physical interface for receiving video data, to receive video data representing a real-time digital recording of at least a portion of a display output provided via a user display of a first user interface for the process control system, said portion containing at least some information acquired from the process control system, wherein the image capture hardware device is adapted to buffer a terminal portion of the video data representing the real-time digital recording; a data historian coupled to the process control system to store process event data representing a process event associated with process activities in the process plant and external to the first user interface, the process activities detected or manipulated by a process control device; and a memory coupled to the image capture hardware device to store the video data so that the real-time digital recording of the portion of the display output provided via the user display of the first user interface is retrievable for playback in a manner that is synchronized to a reference time utilized by the data historian to store the process event data, wherein a temporal relationship is determinable between: