EP0930162A1 - Système de commande pour une machine à imprimer - Google Patents

Système de commande pour une machine à imprimer Download PDF

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Publication number
EP0930162A1
EP0930162A1 EP98124124A EP98124124A EP0930162A1 EP 0930162 A1 EP0930162 A1 EP 0930162A1 EP 98124124 A EP98124124 A EP 98124124A EP 98124124 A EP98124124 A EP 98124124A EP 0930162 A1 EP0930162 A1 EP 0930162A1
Authority
EP
European Patent Office
Prior art keywords
unit
computing
time
units
time signal
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
EP98124124A
Other languages
German (de)
English (en)
Other versions
EP0930162B1 (fr
Inventor
Heiner Sirowitzki
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.)
Manroland AG
Original Assignee
MAN Roland Druckmaschinen AG
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 MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0930162A1 publication Critical patent/EP0930162A1/fr
Application granted granted Critical
Publication of EP0930162B1 publication Critical patent/EP0930162B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/0009—Central control units

Definitions

  • the invention relates to a control system for a Printing machine, in particular a sheetfed offset printing machine, consisting of several processing units, each Computing unit assigned a non-volatile memory unit is and each processing unit for controlling the Functional sequences of a functional unit of the printing press is trained.
  • DE 42 29 645 A1 describes a method for self-actuation Control or regulation of the chronological sequence of Operations of a printing press known. Doing so in a working memory of a computer, the component a machine controller is initializing a list that all operational data required for printing contains. The times of the start of the processing of a respective operation and the order of Processing is carried out immediately before processing using the current machine speed checked and changed if necessary. An error analysis is very complex, because of the dynamic changes in the timing of the printing press the entire program must be examined.
  • each computing unit is the respective functional unit of the Printing machine after receiving a control command regardless of controls the other functional units of the printing press, it is not possible for an error analysis to be carried out by the activities performed by individual computing units to compare with each other.
  • the invention is therefore based on the object Control system for printing machines to specify, in which the functional processes controlled by different computing units the printing press are comparable to each other.
  • the object is achieved in that all Computing units generated by a timer unit Time signal can be supplied, with an activity of the computing units in the one assigned to this computing unit non-volatile storage unit an the activity of Computing unit documenting information at the same time a time information can be stored that the at the time the activity of the arithmetic unit from the timer unit output time signal corresponds.
  • the advantage of the invention is that all Computing units supplied synchronously with the same time standard become. This reference time enables the assignment any events and functional processes that occur in the different processing units independently of each other expire.
  • Each isolated in the computing units recorded log data can be due to the Time signal for a meaningful machine log for the entire printing press is summarized and evaluated be, the functional sequences of the functional units the printing press are comparable to each other.
  • the solution according to the invention thus not only facilitates Fault diagnosis and troubleshooting, but also offers the Possibility of detailed production data archiving.
  • the evaluation of each Allows memory units assigned to computing units Preventive maintenance of both the individual functional units as well as the entire printing press.
  • the timer unit periodically outputs a binary electrical signal as a time signal, which can be evaluated by each computing unit as a time base for the functional processes in the computing unit.
  • the use of the binary signal enables simple synchronization of all computing units to a common base time unit, since each computing unit only has to count this time signal and has to save the counting result as time information.
  • the periodicity required for the synchronization of the computing units depends only on the required accuracy of the fed-in time signal.
  • the timer unit is for outputting the time signal connected to all processing units simultaneously. Alternatively, the timer unit sends the time signal to the computing units, which it to the other Forwards computing units. This will make the time signal to everyone with little circuitry Computing units directed.
  • the timer unit is a component a computing unit, which the time signal via Outputs bus system to the other computing units.
  • Controls in the control system networked via the bus system the computing unit containing the timer unit Transmission of the time signal of the timer unit to the further processing units.
  • the time signal is after transferred to the known master-slave principle, the arithmetic unit issuing the time signal as a master arithmetic unit works while the the time signal received computing units as slave computing units are set.
  • the computing units are via a Interface of the bus system with a test facility connected, the test device in the storage units the information stored in the computing units the activity of the computing unit and the associated one Reads time information together and the information about the activities of the computing units with the help of assigned time information and evaluates.
  • the timer unit consists of a device for wireless transmission of time signals and a receiving device receiving these time signals, which converts the time signal into an electrical signal and outputs it to the computing units.
  • the high-precision time signal generated by an independent time transmitter eg DCF 77
  • DCF 77 independent time transmitter
  • Figure 1 is the principle of the invention System control 1 of a sheet-fed offset printing machine shown.
  • the functional units of the printing press are included indicated by the individual function control units 2-5.
  • the function control units 2-5 do not run Interfaces and actuators further shown independent switching functions in the no further functional units such as feeder, offset printing unit, Coating unit and delivery arm of the offset printing machine out.
  • the investor control unit 2 is assigned a computer 22 and a non-volatile memory 23, the computer 22 having all the switching functions for the investor, e.g. B. performs the on-phase switching on and off of the feeder.
  • the offset printing unit control unit 3 is operated by the computer 32, the computer 32 likewise being assigned a non-volatile memory 33.
  • the computer 32 takes over the switching on and off of the cylinders arranged in the offset printing unit.
  • the cylinders arranged in the coating unit are switched on and off via the computer 42 which is assigned to the coating unit control unit 4 and has a non-volatile memory 43.
  • the boom control unit 5 has a computer 52 to which the non-volatile memory 53 is assigned.
  • the computer 52 takes over all switching processes in the delivery, such as the switching of means for an automated stack change or a test sheet removal, which is coordinated with the sheet travel.
  • the non-volatile memories assigned to the computers 22-52 are designed, for example, as EEPROMs.
  • the computers are each formed by a microprocessor / microcontroller.
  • each computer 22-52 is connected via an associated interface 21-51 and signal lines 11-12 to a timer 6 which simultaneously outputs a time signal to all computers 22-52.
  • the time signal is periodically output by the timer 6.
  • the timer 6 outputs a binary electrical signal to all computers 22-52.
  • the continuously occurring binary signal is counted continuously by each computer 22-52.
  • the computer 22-52 controlling the switching operation forms time information from the counting result present at the time of the switching operation, which is permanently stored together with the information about the respective switching operation in the memory 23-53 assigned to this computer 22-52.
  • the feeder control unit 2 is in the memory 23 saved at which time the connection of the Investor and at what time the shutdown of the Investor.
  • Memory 33 is the time of turning on and Time of switching off one cylinder of the printing group stored together with the information which cylinder was switched on or off.
  • the memory 53 of the boom control unit 5 contains information about when a sample sheet was taken.
  • FIG. 2 shows a control system for a sheet-fed offset printing press, in which the computers 22 - 52 assigned to the function control units 2-5 are connected to one another via a real-time bus system 8 for exchanging signals.
  • Each computer 22-52 is coupled to bus 8 via a bus connection 24-54.
  • the bus connections 24-54 are interface circuits with the aid of which addresses present on the bus 8 can be recognized by the associated computer 22-52.
  • the investor's computer 22 is provided with a timer 6 connected, the timer 6 in the Feeder control unit 2 is arranged.
  • the timer 6 output time signal is via the computer 22 via the Bus system 8 to the computers 32-52 of the others Function control units 3-5 transmitted.
  • the timer 6 is an autonomous one Clock switching.
  • the timer 6 from a the time signal wirelessly transmitting device 61 e.g. the time transmitter DCF 77 exist.
  • a receiving device 62 is via an interface 25 with the microprocessor 22nd connected, the time signal to the other computers 32-52 passes on.
  • the time signal can be transmitted in a particularly simple manner by means of a clocks contained in each computer are generated, whereby the timer 6 is thus part of the computer 22.
  • the timer 6 In in this case has the time signal output by the clock absolute character. Therefore the time signal is given by the Computer 22 added a date to a unique Allow mapping.
  • the timer 6 can also be connected to any other computer 32-52 be connected.
  • the transmission of the time signal is controlled by the computer 22. It works in the master mode and sends in at the beginning of the transmission of the time signal Block header date, in which at least the destination addresses are included for the intended time transfer.
  • the Destination addresses address those in slave mode working calculator 32-52. With the help of the bus connection 34-54 each computer 32 -52 recognizes those on bus 8 pending address. After calculating the computers 32-52 have acknowledged the address to the computer 22 is from Computer 22 transmit the time signal to the computers 32-52.
  • Is the bus 8 a message-oriented bus system (CAN - BUS), data can be between the computers 22-52 and exchanging messages that are also with the associated time information in the memories 23-53 of the Function control units can be saved. This is supposed to be explained using a missing sheet report.
  • CAN - BUS message-oriented bus system
  • the offset printing unit control unit 3 has a sensor to the archery arrival 35 in connection with the arrival or the There is no sheet on the system when the machine is running supervised. With such a missing sheet, it is imperative necessary that in the individual printing units Blanket cylinder parked from the impression cylinders be used to ink the impression cylinder prevent. The cylinder in the coating unit must be turned off. The described Shutdowns have the sheet run accordingly done so that it is still correctly in the machine incoming sheets can be printed out.
  • this information "missing sheet in the printing group" is stored in the memory 33 together with the current time signal, for example the current counting result of the computer 32. If a faulty sheet is found, the printing unit is switched off in dependence on the operating parameters stored in the computer 32, for example in dependence on angle values. In accordance with these operating parameters, the system, the pre-gripper are locked and then the blanket cylinder is switched off from the impression cylinder. Corresponding information about the switch-off process with the current count result at the switch-off time is stored in the memory 33 for all the events listed, so that a complete log is produced.
  • the computer 32 After the computer 32 has determined the missing sheet, the computer 32 outputs a signal corresponding to the "missing sheet in the printing unit" event to the bus 8.
  • the computer 22 documents the receipt of the message together with the corresponding time information in the memory 23.
  • the computer 22 switches the feeder off, with information about the shutdown process being common is stored in the memory 23 with the time information determined by the computer 22 at this point in time. This also applies to the coating unit. This is switched off by the computer 42 assigned to it after it has received the message "Missing sheet on printing unit" via bus 8.
  • the computer 42 stores the information about the receipt of the message together with the associated time information in the memory 43. After the coating unit has been switched off, information about it, coupled with the associated time information, is also stored in the memory 43.
  • an evaluation device 7 connected to the bus 8.
  • This Evaluation device 7 can be used as the control center Sheetfed offset press or as an external diagnostic device be trained.
  • the computer 72 of the evaluation device 7 establishes the connection to the computers 22-52 of the individual function control units 2-5 of the printing press via the bus connections 24 to 54. If the computer 72 wants to read out the content of the memory 23 belonging to the feeder control unit 2, it outputs the appropriate address on the bus 8 with a subsequent command. After receipt of the command, the data protocol stored in the memory 23 is transferred to the computer 72 and there, after temporary storage on a movable data carrier 73, for. B. filed a floppy disk. The other memories 32-52 of the computers 32-52 are queried one after the other and their data logs are likewise stored on the data carrier 73 for setting up a machine log book. For diagnostic purposes, the function sequences of the individual units 2 - 5 of the printing press are compared with one another on the basis of the reference time using the stored log files and it is determined whether the switching functions have been carried out in the correct order.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Screen Printers (AREA)
  • Rotary Presses (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
EP98124124A 1998-01-14 1998-12-18 Système de commande pour une machine à imprimer Expired - Lifetime EP0930162B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29800480U DE29800480U1 (de) 1998-01-14 1998-01-14 Steuersystem für eine Druckmaschine
DE29800480U 1998-01-14

Publications (2)

Publication Number Publication Date
EP0930162A1 true EP0930162A1 (fr) 1999-07-21
EP0930162B1 EP0930162B1 (fr) 2001-11-07

Family

ID=8051206

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98124124A Expired - Lifetime EP0930162B1 (fr) 1998-01-14 1998-12-18 Système de commande pour une machine à imprimer

Country Status (3)

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EP (1) EP0930162B1 (fr)
AT (1) ATE208271T1 (fr)
DE (2) DE29800480U1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10318541A1 (de) * 2003-04-24 2004-11-11 Koenig & Bauer Ag Verfahren zur Messung, Dokumentation und Überwachung elektrischer Parameter
DE102005061029C5 (de) * 2005-12-19 2010-12-23 Koenig & Bauer Aktiengesellschaft Maschineneinheit einer mehrere Maschineneinheiten aufweisenden Druckmaschine mit mindestens einer Komponente mit einer Adresse
DE102006009374B4 (de) * 2006-03-01 2009-06-04 Koenig & Bauer Aktiengesellschaft Verfahren zur Speicherung von Daten mindestens einer Komponente einer mehrere Komponenten und mindestens ein Kommunikationsnetzwerk aufweisenden Druckmaschine
DE102007011017A1 (de) * 2007-03-07 2008-09-11 Man Roland Druckmaschinen Ag Druckmaschinensteuerungssystem
CN103434262B (zh) * 2013-06-24 2016-01-13 宁波欣达印刷机器有限公司 凹版印刷机精确进入套印位置的方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2643250A1 (de) * 1976-09-25 1978-03-30 Braun Ag Zentralgesteuerte uhr
EP0419811A2 (fr) * 1989-09-29 1991-04-03 Rockwell International Corporation Réseau d'interconnexion d'ordinateurs pour un système de machines d'impression
EP0436818A2 (fr) * 1990-01-08 1991-07-17 Heidelberger Druckmaschinen Aktiengesellschaft Système de diagnose pour un dispositif de commande digital
DE9215547U1 (fr) * 1992-11-10 1993-02-18 Koenig & Bauer Ag, 8700 Wuerzburg, De
EP0747215A2 (fr) * 1995-06-08 1996-12-11 MAN Roland Druckmaschinen AG Dispositif de commande pour une machine à imprimer
DE19527089A1 (de) * 1995-07-25 1997-01-30 Roland Man Druckmasch Einrichtung zur Steuerung einer Druckmaschine
EP0818310A1 (fr) * 1996-07-12 1998-01-14 MAN Roland Druckmaschinen AG Système et procédé d'acquisition de données pour machine à imprimer

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2643250A1 (de) * 1976-09-25 1978-03-30 Braun Ag Zentralgesteuerte uhr
EP0419811A2 (fr) * 1989-09-29 1991-04-03 Rockwell International Corporation Réseau d'interconnexion d'ordinateurs pour un système de machines d'impression
EP0436818A2 (fr) * 1990-01-08 1991-07-17 Heidelberger Druckmaschinen Aktiengesellschaft Système de diagnose pour un dispositif de commande digital
DE9215547U1 (fr) * 1992-11-10 1993-02-18 Koenig & Bauer Ag, 8700 Wuerzburg, De
EP0747215A2 (fr) * 1995-06-08 1996-12-11 MAN Roland Druckmaschinen AG Dispositif de commande pour une machine à imprimer
DE19527089A1 (de) * 1995-07-25 1997-01-30 Roland Man Druckmasch Einrichtung zur Steuerung einer Druckmaschine
EP0818310A1 (fr) * 1996-07-12 1998-01-14 MAN Roland Druckmaschinen AG Système et procédé d'acquisition de données pour machine à imprimer

Also Published As

Publication number Publication date
EP0930162B1 (fr) 2001-11-07
DE59802048D1 (de) 2001-12-13
ATE208271T1 (de) 2001-11-15
DE29800480U1 (de) 1998-03-05

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