CA2053126A1 - Programmable controller processor with an intelligent functional module interface - Google Patents

Programmable controller processor with an intelligent functional module interface

Info

Publication number
CA2053126A1
CA2053126A1 CA2053126A CA2053126A CA2053126A1 CA 2053126 A1 CA2053126 A1 CA 2053126A1 CA 2053126 A CA2053126 A CA 2053126A CA 2053126 A CA2053126 A CA 2053126A CA 2053126 A1 CA2053126 A1 CA 2053126A1
Authority
CA
Canada
Prior art keywords
data
processing
interface
modules
processor
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
CA2053126A
Other languages
French (fr)
Other versions
CA2053126C (en
Inventor
Kathleen B. Mathews
Wayne C. Van Sickle
Donald A. Westman
Ronald E. Schultz
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
Individual
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 Individual filed Critical Individual
Publication of CA2053126A1 publication Critical patent/CA2053126A1/en
Application granted granted Critical
Publication of CA2053126C publication Critical patent/CA2053126C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • G05B19/052—Linking several PLC's
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • G05B19/054—Input/output
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/10—Plc systems
    • G05B2219/11—Plc I-O input output
    • G05B2219/1103—Special, intelligent I-O processor, also plc can only access via processor
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/10—Plc systems
    • G05B2219/15—Plc structure of the system
    • G05B2219/15029—I-O communicates with local bus at one end and with fieldbus at other end
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/10—Plc systems
    • G05B2219/15—Plc structure of the system
    • G05B2219/15031—RS485 for service connection to module
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/10—Plc systems
    • G05B2219/15—Plc structure of the system
    • G05B2219/15052—Communication processor, link interface
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/10—Plc systems
    • G05B2219/15—Plc structure of the system
    • G05B2219/15078—Modules, construction of system
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/10—Plc systems
    • G05B2219/15—Plc structure of the system
    • G05B2219/15081—Period length ratio between application and communication task is settable

Abstract

A programmable controller has a rack that houses and electrically connects a number of I/O modules and a processor module. The processor module includes a external communication network interface, a system memory, a processor section which executes a user-defined control program and a I/O interface that handles the exchange of data with the other modules. The I/O
interface has circuitry for pre-processing data from defined input modules, thereby relieving the processing section of certain tasks, The shared memory contains information defining the input module from which to obtain data for pre-processing and the bits of that data to be examined for specified logic level transitions. The stored information also designates the frequency at which the data is to be read from the defined input module and how many occurrences of the specified logic level transitions must take place before the I/O interface signals the processor section that the pre-processing is complete.
CA002053126A 1990-10-30 1991-10-10 Programmable controller processor with an intelligent functional module interface Expired - Lifetime CA2053126C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/605,891 US5225974A (en) 1990-10-30 1990-10-30 Programmable controller processor with an intelligent functional module interface
US605,891 1990-10-30

Publications (2)

Publication Number Publication Date
CA2053126A1 true CA2053126A1 (en) 1992-05-01
CA2053126C CA2053126C (en) 2001-01-30

Family

ID=24425629

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002053126A Expired - Lifetime CA2053126C (en) 1990-10-30 1991-10-10 Programmable controller processor with an intelligent functional module interface

Country Status (6)

Country Link
US (1) US5225974A (en)
JP (1) JPH04266102A (en)
BR (1) BR9104693A (en)
CA (1) CA2053126C (en)
DE (1) DE4135749B4 (en)
GB (1) GB2251707B (en)

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Also Published As

Publication number Publication date
DE4135749A1 (en) 1992-05-07
DE4135749B4 (en) 2010-09-30
CA2053126C (en) 2001-01-30
US5225974A (en) 1993-07-06
BR9104693A (en) 1992-06-16
GB2251707A (en) 1992-07-15
JPH04266102A (en) 1992-09-22
GB9122009D0 (en) 1991-11-27
GB2251707B (en) 1994-05-11

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Effective date: 20121202