Web function blocks capable of exchanging HTTP type of...

Details Web function blocks capable of exchanging HTTP type of... Web function blocks capable of exchanging HTTP type of...

2005-07-05

2005-07-05

Lin, Wen-Tai (Department: 2154)

Electrical computers and digital processing systems: multicomput

Distributed data processing

Client/server

C709S217000, C700S083000, C710S001000

Reexamination Certificate

active

06915330

ABSTRACT:
A communication system for automation equipment on a TCP/IP network. The automation equipment controls an automation application by executing an application program written according to standard IEC1131-3. The communication system includes at least a reception WEB function block integrated into the application program to implement a WEB server function, and/or at least one send WEB function block integrated into the application program to implement a WEB client function, and an HTTP interface capable of routing messages between the TCP/IP network and WEB function blocks identified by a URL address. The contents of HTTP requests may be an XML frame or a UEL encoded frame.

REFERENCES:
patent: 6061603 (2000-05-01), Papadopoulos et al.
patent: 6170007 (2001-01-01), Venkatraman et al.
patent: 6282454 (2001-08-01), Papadopoulos et al.
patent: 6370569 (2002-04-01), Austin
patent: 2001/0014833 (2001-08-01), Brault
patent: 99/13418 (1999-03-01), None
patent: 99/63409 (1999-12-01), None
IEC 1131-3: A Standard Programming Resource for PLCs; Control Engineering, Feb. 1996, pp. 67-68, 75.
Simple Object Access Protocol (SOAP) 1.1, May 8, 2000.

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