CA2034878A1 - Programmable controller communication module - Google Patents

Programmable controller communication module

Info

Publication number
CA2034878A1
CA2034878A1 CA002034878A CA2034878A CA2034878A1 CA 2034878 A1 CA2034878 A1 CA 2034878A1 CA 002034878 A CA002034878 A CA 002034878A CA 2034878 A CA2034878 A CA 2034878A CA 2034878 A1 CA2034878 A1 CA 2034878A1
Authority
CA
Canada
Prior art keywords
module
data
programmable controller
port circuit
routed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002034878A
Other languages
French (fr)
Other versions
CA2034878C (en
Inventor
Craig S. Hyatt
Emmanuel G. Dela Hostria
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Allen Bradley Co LLC
Original Assignee
Allen Bradley Co LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Allen Bradley Co LLC filed Critical Allen Bradley Co LLC
Publication of CA2034878A1 publication Critical patent/CA2034878A1/en
Application granted granted Critical
Publication of CA2034878C publication Critical patent/CA2034878C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/10—Program control for peripheral devices
    • G06F13/12—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor
    • G06F13/124—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor where hardware is a sequential transfer control unit, e.g. microprocessor, peripheral processor or state-machine
    • G06F13/128—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor where hardware is a sequential transfer control unit, e.g. microprocessor, peripheral processor or state-machine for dedicated transfers to a network
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/382—Information transfer, e.g. on bus using universal interface adapter
    • G06F13/387—Information transfer, e.g. on bus using universal interface adapter for adaptation of different data processing systems to different peripheral devices, e.g. protocol converters for incompatible systems, open system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/15—Interconnection of switching modules
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/25—Routing or path finding in a switch fabric
    • H04L49/253—Routing or path finding in a switch fabric using establishment or release of connections between ports
    • H04L49/254—Centralised controller, i.e. arbitration or scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/30—Peripheral units, e.g. input or output ports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/35—Switches specially adapted for specific applications
    • H04L49/355—Application aware switches, e.g. for HTTP
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols

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.
CA002034878A 1990-03-08 1991-01-24 Programmable controller communication module Expired - Lifetime CA2034878C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US49090790A 1990-03-08 1990-03-08
US490,907 1990-03-08

Publications (2)

Publication Number Publication Date
CA2034878A1 true CA2034878A1 (en) 1991-09-09
CA2034878C CA2034878C (en) 2002-04-02

Family

ID=23950001

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002034878A Expired - Lifetime CA2034878C (en) 1990-03-08 1991-01-24 Programmable controller communication module

Country Status (4)

Country Link
US (1) US5307463A (en)
JP (1) JP3221496B2 (en)
CA (1) CA2034878C (en)
GB (1) GB2241854B (en)

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Also Published As

Publication number Publication date
GB9102255D0 (en) 1991-03-20
JPH04220044A (en) 1992-08-11
JP3221496B2 (en) 2001-10-22
CA2034878C (en) 2002-04-02
US5307463A (en) 1994-04-26
GB2241854B (en) 1994-06-15
GB2241854A (en) 1991-09-11

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Effective date: 20121202