WO1980000381A1 - Modules simulateurs et assemblage a rack - Google Patents

Modules simulateurs et assemblage a rack Download PDF

Info

Publication number
WO1980000381A1
WO1980000381A1 PCT/GB1979/000135 GB7900135W WO8000381A1 WO 1980000381 A1 WO1980000381 A1 WO 1980000381A1 GB 7900135 W GB7900135 W GB 7900135W WO 8000381 A1 WO8000381 A1 WO 8000381A1
Authority
WO
WIPO (PCT)
Prior art keywords
module
input
output
plug
circuit board
Prior art date
Application number
PCT/GB1979/000135
Other languages
English (en)
Inventor
G Clarke
Original Assignee
Squared Co
G Clarke
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 Squared Co, G Clarke filed Critical Squared Co
Publication of WO1980000381A1 publication Critical patent/WO1980000381A1/fr
Priority to DK153480A priority Critical patent/DK153480A/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
    • C10G1/04—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by extraction
    • C10G1/045—Separation of insoluble materials
    • 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
    • G05B19/058—Safety, monitoring
    • 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
    • G05B2219/13—Plc programming
    • G05B2219/13186—Simulation, also of test inputs
    • 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
    • G05B2219/14—Plc safety
    • G05B2219/14089—Display of control states on cards, by leds
    • 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
    • G05B2219/14—Plc safety
    • G05B2219/14144—Galvanic isolation
    • 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

Definitions

  • This invention concerns improvements in or relating to programmable controllers.
  • a programmable controller normally comprises a central processor unit, an input section which receives 5 signals from the system being controlled, converts these signals to suitable logic signals and passes these logic signals to the processor unit, and an output section for receiving logic signals from the processor unit and passing control signals of a 10 suitable level to the system.
  • a simulator box containing switches and indicators and also including a communication interface which allows the box to be connected directly to the processor unit. VThilst this permits the same switches and
  • an input simulator module for a * programmable controller, the input section of which normally includes a plug-in input module, the input simulator module comprising a plug-in unit having a plurality of connector pins adapted to engage a socket in the input section of the controller, the plug-in unit including switch means connected to said connector pins so that a desired logic signal may be passed to the processor unit of the controller.
  • an output ' simulator module for a programmable controller, the output section of which normally includes a plug-in output odule, the output simulator module, comprising a plug-in unit having a plurality of connector pins -adapted to engage a socket in the output section of the controller, the plug-in unit including indicator means connected to said connecto pins and arranged to indicate the condition of a logic signal fed to said socket by the processor unit.
  • an input/output rack assembly for a programmable controller, the rack assembly comprising a base, a top cover having a plurality of socket stations adapted to receive plug-in input/output modules said socket station being connected to a circuit board,
  • Pig. 1 is an elevational view, partly sectioned on the line A-A of Fig. 2, of a plug-in simulator module of the present invention
  • Fig. 2 is a bottom plan vie of the module of Fig. 1;
  • Fig. 3 is an elevational view of the internal * circuit board of a simulator input module made in accordance with the present invention
  • Fig. 4 is a circuit diagram of the module of Fig. 3;
  • Fig. 5 is an elevational view of the internal circuit board of an output simulator module made in accordance with the present invention.
  • Fig. 6 is a circuit diagram of the module of Fig. 5;
  • Fig. 7 is a circuit diagram of a plug-in input module for a programmable controller
  • Fig. 8 is a circuit diagram of a plug-in output module of a programmable controller
  • Fig. 9 is a top plan view of a rack assembly of the present invention
  • Fig. 10 is a section taken along the line A-A of
  • Fig. 11 is a plan view of the bottom plate of the rack assembly of the present invention.
  • a plug-in module for a programmable controller comprises a module box 1* having a plurality of output connector pins 2 which can be received in a suitable socket of the input or output sections of a programmable controller.
  • the pins 2 are fixed to a plastics top cover plate " 3. .
  • a printed circuit board 4 (as seen in Figs. 3 and 4) serving to connect the pins 2 with the internal circuitry of the plug-in module, as will be described hereinbelow, is secured to the plate 3 and disposed within the box 1.
  • the module box 1 is provided with captive scre'ws 5 by which it can be secured to the rack assembly of Fig. 9.
  • Figs. 3 and 4 show a simulator input module wherei the pins 2 are interconnected by a pair of toggle switches 10 which partially project from the box 1.
  • Input pins 2 are connected to ground 11 and to logic level.12 voltages and, depending on the positions of the switches 10, a desired logic output can be fed to output pins 2 of the module via lines 13. This logic output is fed to the central processor as an input logic signal.
  • an output simulator module includes a pair of light emitting diodes 20 mounted on the circuit board 4 so as to be visible outside the module box 1.
  • the anodes of the light emitting diodes 20 are connected to a logic voltage level 22 via input pins 2 and the cathodes are connected to output terminal pins 2 of the module through respective resistors 21.
  • the light emitting diodes 20 will give an indication of the status of the output logic signals.
  • Fig. 7 illustrates a circuit diagram of one embodiment of a plug-in input module for a programmable controller.
  • the circuit is formed on a printed circuit board 4 of, for example, the module of Fig. 1 and serves to convert the input signal from the system being controlle.d to a logic level which can be handled by the processor unit.
  • the circuitry also serves to suppress any noise from the system.
  • the circuit comprises an odd channel 70 and an even channel 72.
  • Each channel includes an input circuit and an output circuit interconnected by an optical isolator 74.
  • the input circuit includes a rectifier bridge 76, a protective Zener diode 78, and a smoothing capacitor 80 and filter 82.
  • the output circuit includes an output transistor stage 84.
  • the input filter characteristics and resistance values can be selected to reject spurious voltages, while the output stage 84 provides consistent signals.
  • FIG. 8 shows a circuit diagram of one embodiment of plug-in output module for a programmable controller. This circuit is also formed on a circuit board 4 and is adapted to receive a logic signal from the processor unit and on receipt of such a signal passes a relatively high level voltage control signal to the system.
  • Fig. 8 illustrates a two-channel system in which each channel has isolation provided by a transformer TFI. The primary of the transformer is
  • a rack assembly for a programmable controller is illustrated in Figs. 9 and 10 and comprises a plastics moulding 50 having a plurality of socket stations 51 adapted to receive the plug-in modules described hereinabove and illustrated in Fig. 1.
  • the socket stations 51 communicate with a printed circuit board 52 fixed between the moulding 50 and a bottom plate 53 and hel there by suitable screws 54 passing through apertures 55 in the bottom plate and corresponding apertures in the printed circuit board 52.
  • a terminal strip 56 is provided for connecting the circuit board 52 with the system to be controlled-
  • the logic signals from the sockets to the processor and from the processor to- the sockets are fed through a terminal connector 57 on the circuit board 52.
  • the printed circuit board includes integrated circuits (not shown) which form the interface between the input/output sections and the processor unit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Programmable Controllers (AREA)

Abstract

Dispositif modulaire d'entree/sortie pour un controleur programmable. L'assemblage a rack de l'invention permet a des modules selectionnes enfichables d'entree/sortie d'interconnecter le systeme controle et le processeur du controleur. L'invention fournit egalement des modules simulateurs d'entree et de sortie qui peuvent etre enfiches dans l'assemblage a rack pour verifier le fonctionnement du systeme.
PCT/GB1979/000135 1978-08-10 1979-08-08 Modules simulateurs et assemblage a rack WO1980000381A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK153480A DK153480A (da) 1978-08-10 1980-04-10 Simulator-moduler og rack-opbygning

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7832892 1978-08-10
GB7832892 1978-08-10

Publications (1)

Publication Number Publication Date
WO1980000381A1 true WO1980000381A1 (fr) 1980-03-06

Family

ID=10498973

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1979/000135 WO1980000381A1 (fr) 1978-08-10 1979-08-08 Modules simulateurs et assemblage a rack

Country Status (10)

Country Link
EP (1) EP0015289A1 (fr)
JP (1) JPH0128403B2 (fr)
AU (1) AU535935B2 (fr)
CA (1) CA1140243A (fr)
DK (1) DK153480A (fr)
ES (2) ES483321A1 (fr)
IE (1) IE48616B1 (fr)
IT (1) IT1119149B (fr)
WO (1) WO1980000381A1 (fr)
ZA (1) ZA794176B (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0192108A2 (fr) * 1985-02-11 1986-08-27 Rodger T. Lovrenich Station de commande
EP0259560A2 (fr) * 1986-08-14 1988-03-16 Nordischer Maschinenbau Rud. Baader Gmbh + Co Kg Commande électronique pour commander les vérins d'une machine de traitement de poisson
EP0263391A2 (fr) * 1986-10-04 1988-04-13 Endress u. Hauser GmbH u. Co. Dispositif pour recevoir, préparer, exploiter et transmettre des signaux électriques
FR2612309A1 (fr) * 1987-03-11 1988-09-16 Spie Trindel Procede pour valider le fonctionnement d'un automatisme et dispositif pour sa mise en oeuvre
EP0375487A1 (fr) * 1988-12-23 1990-06-27 Automobiles Peugeot Procédé et dispositif pour tester le programme d'un automate programmable
EP0374293A1 (fr) * 1988-12-22 1990-06-27 Siemens Aktiengesellschaft Dispositif de sortie
GB2242318B (en) * 1990-03-01 1993-12-08 Fuji Electric Co Ltd A programmable controller with input/output signal converting circuit

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1902892A1 (de) * 1968-01-25 1969-09-11 Tribo Electronics Ltd Steuersystem
US3829842A (en) * 1973-02-22 1974-08-13 Terry Controls Corp Automatic self-testing programmable industrial controller
DE2737315A1 (de) * 1976-08-18 1978-02-23 American Mfg Co Inc Programmierbares steuersystem

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6057084B2 (ja) * 1976-12-04 1985-12-13 富士電機株式会社 シ−ケンスコントロ−ラ用模擬入力装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1902892A1 (de) * 1968-01-25 1969-09-11 Tribo Electronics Ltd Steuersystem
US3829842A (en) * 1973-02-22 1974-08-13 Terry Controls Corp Automatic self-testing programmable industrial controller
DE2737315A1 (de) * 1976-08-18 1978-02-23 American Mfg Co Inc Programmierbares steuersystem

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0192108A2 (fr) * 1985-02-11 1986-08-27 Rodger T. Lovrenich Station de commande
EP0192108A3 (en) * 1985-02-11 1989-02-08 Rodger T. Lovrenich Control station including a conductively isolated depluggable controller
EP0259560A2 (fr) * 1986-08-14 1988-03-16 Nordischer Maschinenbau Rud. Baader Gmbh + Co Kg Commande électronique pour commander les vérins d'une machine de traitement de poisson
EP0259560A3 (fr) * 1986-08-14 1989-10-25 Nordischer Maschinenbau Rud. Baader Gmbh + Co Kg Commande électronique pour commander les vérins d'une machine de traitement de poisson
EP0263391A3 (en) * 1986-10-04 1989-09-20 Endress U. Hauser Gmbh U. Co. Device for receiving, preparing, exploiting and transmitting electrical signals
EP0263391A2 (fr) * 1986-10-04 1988-04-13 Endress u. Hauser GmbH u. Co. Dispositif pour recevoir, préparer, exploiter et transmettre des signaux électriques
FR2612309A1 (fr) * 1987-03-11 1988-09-16 Spie Trindel Procede pour valider le fonctionnement d'un automatisme et dispositif pour sa mise en oeuvre
EP0283382A1 (fr) * 1987-03-11 1988-09-21 SPIE-TRINDEL Société Anonyme Procédé pour valider le fonctionnement d'un automatisme et dispositif pour sa mise en oeuvre
EP0374293A1 (fr) * 1988-12-22 1990-06-27 Siemens Aktiengesellschaft Dispositif de sortie
US5081571A (en) * 1988-12-22 1992-01-14 Siemens Aktiengesellschaft Feedback-free output circuit configuration
EP0375487A1 (fr) * 1988-12-23 1990-06-27 Automobiles Peugeot Procédé et dispositif pour tester le programme d'un automate programmable
FR2641095A1 (fr) * 1988-12-23 1990-06-29 Peugeot
GB2242318B (en) * 1990-03-01 1993-12-08 Fuji Electric Co Ltd A programmable controller with input/output signal converting circuit

Also Published As

Publication number Publication date
IE791525L (en) 1980-02-10
DK153480A (da) 1980-04-10
ES491218A0 (es) 1981-08-16
IT7968658A0 (it) 1979-08-10
JPS55500697A (fr) 1980-09-25
AU4979179A (en) 1980-02-14
ES483321A1 (es) 1980-09-01
AU535935B2 (en) 1984-04-12
JPH0128403B2 (fr) 1989-06-02
ZA794176B (en) 1981-04-29
IE48616B1 (en) 1985-03-20
CA1140243A (fr) 1983-01-25
IT1119149B (it) 1986-03-03
ES8107400A1 (es) 1981-08-16
EP0015289A1 (fr) 1980-09-17

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Designated state(s): CH DE FR GB NL SE