Integrated control system to control addressable remote devices

Details Integrated control system to control addressable remote devices Integrated control system to control addressable remote devices

2005-06-07

2005-06-07

Bahta, Kidest (Department: 2125)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Product assembly or manufacturing

C700S088000, C709S208000, C713S100000

Reexamination Certificate

active

06904327

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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“HART Field Communications Protocol Specification HCF_SPEC-12 Rev 6.0”, Released on 18th Apr. 2001, avaliable from HART Communication Foundation, 9390 Research Boulevard, Suite I-350, Austin, Texas 78759, USA (http://www.hartcomm.org).

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