Patent ID: 9582234
Date: 2017-02-28
CPC Classifications: G06F

Claim:
1. A human machine interface (HMI) device for use in an industrial automation environment, comprising: a user interface configured to display on the HMI device a graphical representation of operation data of at least one machine system in the industrial automation environment; a processing system configured to generate graphics data comprising the graphical representation for viewing consumption by a remote communication device; a communication interface configured to: wherein the aggregation server caches the graphics data received from the HMI device and caches the operation data; and wherein, responsive to a request for a viewing session from the remote communication device, the aggregation server is configured to: transfer the operation data to the remote communication device; transfer the graphics data to the remote communication device if the graphics data has changed since the remote communication device last received graphics data; and withhold transferring the graphics data to the remote communication device if the graphics data has not changed since the remote communication device last received graphics data.