Integrated control system to control addressable remote devices
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United States of America Patent
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Jun 7, 2005
Grant Date -
Jul 29, 2004
app pub date -
Jan 29, 2003
filing date -
Jan 29, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A multiplexer implemented substantially in the form of software, which enables the multiplexer to be integrated with a supervisory platform into one unit is disclosed. The multiplexer may contain a database which stores a mapping of the address of the devices to the corresponding port/channels to which the devices are connected. An emulation block implemented in software examines the address in each command/response and forwards the command/response appropriately. Due to the software implementation, some of the commands may be blocked (from being forwarded). According to another aspect, data required to generate a response may be retrieved from a controller block (instead of retrieving from the device), thereby reducing the overhead on the devices.
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