Gateway having an input/output scanner

Details Gateway having an input/output scanner Gateway having an input/output scanner

2004-08-17

2009-11-03

Walsh, John B. (Department: 2451)

Electrical computers and digital processing systems: multicomput

Master/slave computer controlling

C700S003000

Reexamination Certificate

active

07613783

ABSTRACT:
A gateway having an input/output scanner is disclosed. The gateway includes a local area network interface, a serial interface, and a processor configured to provide protocol conversion between the local area network interface and the serial interface. Further, an input/output scanner module is operatively connected to the serial interface and configured to poll the slave device.

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Anonymous: “EM1500 Serial-Ethernet Bridge User's Manual—1. Introduction”; Z-World, ′Online! Mar. 22, 2004, XP002353435. Retrieved from the Internet: URL: http://web.archive.org/web/20040322105506/http:// zworld.com/documentation/docs/manuals/EM1500/introduc.htm.
Anonymous: “EM1500 Serial-Ethernet Bridge User's Manual—5. EM1500 Configuration”; Z-World, ′Online! Mar. 22, 2004, XP002354045. Retrieved from the Internet: URL: http://web.archive.org/web/20040322111529/zworld.com/documentation/docs/manuals/EM1500/config—s.htm.
Anonymous: “Protocol Converter Modbus TCP to PPI Technical Manual”, ISEP, ′Online! Oct. 26, 2004, XP002354046. Retrieved from the Internet: URL: http://web.archive.org/web/20041026101054/www.ise-p.com/Instruction+Manuals/IM-Modbus+TCP+to+ppi.pdf.

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