Programmable controller communication module

Details Programmable controller communication module Programmable controller communication module

1992-12-07

1994-04-26

Chun, Debra A.

Boots, shoes, and leggings

364DIG2, 36492792, 36492795, 36492799, 36492693, 364940, 364949, 36494991, G06F 1312

Patent

active

053074637

ABSTRACT:
A module interfaces a programmable controller to several serial communication networks for the exchange of data carrying messages. A central processor controls the transfer of data between the module and other programmable controller components. The module has a separate port circuit for each of the networks permitting communication using different protocols. Messages received through one port circuit can be routed to another port circuit or other programmable controller components as specified by routing data stored in the module. The module also can be configured to detect when a given sequence of data is contained in a received message or to parse a section of data from the message. In these cases, an indication of whether the data sequence was found or the parsed data is routed to a designated output of the module.

REFERENCES:
patent: 4442504 (1984-04-01), Dummermuth et al.
patent: 4631666 (1986-12-01), Harris
patent: 4787028 (1988-11-01), Finfroch
patent: 4858101 (1989-08-01), Stewart et al.

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