Remote operation of process control equipment over customer supplied network
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United States of America Patent
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Mar 5, 2013
Grant Date -
Nov 15, 2012
app pub date -
Jul 10, 2012
filing date -
Aug 25, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A DCS protocol message addressed to a remote DCS station is generated at a local distributed control system (DCS). The DCS protocol message is received at a local tunneling device. The local tunneling device packages the DCS protocol message into a SCADA protocol message. The SCADA protocol message is transmitted from the local tunneling device to a remote tunneling device. The remote tunneling device receives the SCADA protocol message. The SCADA protocol message is unpackaged into a DCS protocol message at the remote tunneling device, and the DCS protocol message is placed on to a remote DCS such that it flows to the remote station. The DCS protocol message is received at the remote station.
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