CN1021420C - Diagnostic system for digital control arrangement - Google Patents
Diagnostic system for digital control arrangement Download PDFInfo
- Publication number
- CN1021420C CN1021420C CN91100008A CN91100008A CN1021420C CN 1021420 C CN1021420 C CN 1021420C CN 91100008 A CN91100008 A CN 91100008A CN 91100008 A CN91100008 A CN 91100008A CN 1021420 C CN1021420 C CN 1021420C
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- CN
- China
- Prior art keywords
- fault
- processor
- nonvolatile memory
- stored
- 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.)
- Expired - Fee Related
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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
Landscapes
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Selective Calling Equipment (AREA)
- Hardware Redundancy (AREA)
- Test And Diagnosis Of Digital Computers (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
- Control Or Security For Electrophotography (AREA)
- Alarm Systems (AREA)
Abstract
In a diagnostic system for a digital control device of a printer, at least one processor is provided with a program for testing modules of the control device and for monitoring parameters during the operation of the printer. The results of the tests and of the monitoring of the parameters are displayed and/or stored.
Description
The present invention relates to be used for a kind of diagnostic system of numerical control device of printing machine.
Printing machine often also comprises such spinoff by means of the control of numerical control device, promptly may cause the damage of a large amount of printing materials or even can cause the danger of personal damage when control is out of order.Therefore, especially when control device has complicated structure, very high requirement be arranged to the reliability of each system unit.
However, in the inside of control device, at the sensor that control device is connected with printing machine and regulate in the scope of parts and all may break down on the printing machine.In addition, aspect printing machine, importantly the fault that the occurs personnel by the printing machine scene are got rid of as soon as possible.
Thereby task of the present invention is: propose a kind of diagnostic system that is used for the numerical control device of printing machine, it can discern and show fault reliably.When processor itself that carry out monitoring broke down, it also should be able to discern these faults in addition.At last, diagnosis afterwards must be arranged only being the fault that occurs once in a while or can cause the out-of-work fault of control system the time.
According to diagnostic system of the present invention, it is characterized in that: be provided with a processor at least, it has when printing machine is worked tests the assembly of control device, reaches the program that parameter is monitored; Parameter is monitored that result with test shows and/or stores.Preferably this processor also can detect control task.
In order further to improve reliability, another configuration according to the present invention, be provided with the processor of two tests and supervision, they are tested except that the assembly that it is set up separately and monitor, also the communicator between each other processor and this two processors tested and monitored.
Because on printing machine, always will frequently control task be distributed to two processors, so can accomplish both economical and reliable monitorings as follows according to another configuration of the present invention: in control device, be provided with two processors for different control tasks, they are tested except that the assembly that it is set up separately and monitor, also the communicator between each other processor and this two processors is tested and monitored.
In diagnostic system of the present invention, on the one hand can accomplish the data that always will occur when printing machine is worked are carried out evaluation, be that the output signal of speed probe or paper sensor is carried out evaluation for example to sensor.These data are hereinafter referred to as running parameter.Also the data that occur are carried out evaluation according to diagnostic system of the present invention in test procedure: data that in the test procedure of known storer itself or processor, occur for example.In this class testing, also can comprise running parameter, for example with the comparative pattern of set-point/actual value or the test of so-called parity checking form.The result of this class testing (hereinafter referred to as test result) is called fault-signal again when following malfunction.
In order to realize reliable demonstration,, on of these processors, be provided with the fault-signal output terminal around a bus system at least according to another configuration of the present invention to fault-signal.Its advantage is: each processor is arranged on the system plugin plate of itself, and these two processors at least respectively are connected with a display device independently of one another.
Another configuration of the present invention relates to information-storing device, and it is very important for repairing and maintenance work.Wherein come down to be provided with a nonvolatile memory, it makes also can carry out evaluation to important data after printing machine or control device shutdown,, decide on form of implementation of the present invention for this reason, but storage failure signal, test result or running parameter.Preferably store data in this wise, promptly each with new data storage in a nonvolatile memory.
Diagnostic system of the present invention can be tested the assembly of particular importance and function and monitored by two processors (3,4).
Diagnostic system of the present invention can store fault-signal non-volatilely.When another fault-signal having occurred, in this storer, continue to move a position at one or more fault-signals of being stored till this moment in the nonvolatile memory (5,6).
Diagnostic system of the present invention can be transferred to first fault-signal in the additional storer from nonvolatile memory (5,6), and be stored in this annex memory with more first fault-signal.
Diagnostic system of the present invention in the time of can and occurring before fault occurs, stores running parameter non-volatilely.When work, current running parameter is constantly stored in the nonvolatile memory; Lost greater than the running parameter of a schedule time storage time and the feature of the in store fault of state of nonvolatile memory.
Diagnostic system of the present invention can at first be carried out the detection certainly of these processors (3,4) after this system closes a floodgate; In turn by a processor (3,4) the read-write storage storage (9) that is used as two interprocessor communications is detected then at every turn; And these two processors (3,4) of read-write memory test back are reciprocally being carried out detection.In the printing machine under-stream period, also carry out detection to power.
Diagnostic system of the present invention can be provided with the monostable trigger of a software for the mutual detection of processor (3,4).
Diagnostic system of the present invention can be carried out by not out of order processor (4,3) by the performed detection of processor (3,4) itself, evaluation and the demonstration of this fault at a processor (3,4) when being out of order.
Diagnostic system of the present invention can store test result in the nonvolatile memory (5,6) on relative each system plugin plate (1,2).
Diagnostic system of the present invention can store fault-signal and/or test result in the nonvolatile memory into, and this storer is also as the communication between two processor (3,4).
One embodiment of the present of invention are described in the accompanying drawings, this embodiment are explained following by these accompanying drawings.Accompanying drawing is:
One of Fig. 1 is used to have the block scheme of data control unit of the printing machine of diagnostic system of the present invention; And
The process flow diagram of the program that Fig. 2 uses in this embodiment.
Be provided with two processors (computing machine) 1,2 in control device shown in Figure 1, each in them respectively is arranged on the plug-in card of a system.Computing machine 1 is used for the center control of printing machine, and computing machine 2 is used to control main drive basically.Each computing machine is provided with a microprocessor 3,4 and other assembly in known mode own, and as working storage, program storage and internal bus system obviously do not need they are explained in order to understand the present invention.
Except that these assemblies, also be provided with nonvolatile memory 5,6 on the computer socket plate, they can not cut off the power supply or the restriction of control device fault, and storage is to the required test result of later evaluation, running parameter and fault-signal.Fault-signal is being arranged, and it can not cause under the situation that device or affiliated computing machine shut down, a plurality of fault-signals and other test result that can give expression to and running parameter can be stored in case of necessity.By in each of computing machine 1,2, a nonvolatile memory 5,6 being set, can be so that remove the corresponding insert plate when from control device, dialling, for example in order to deliver to manufacturing plant or maintaining unit and to repair, also can carry out evaluation to fault-signal.
I/O unit 8 by its input end and output terminal 10 with sensor and regulate parts and be connected, for example described in applicant's patented claim P3642500.1.
In order to be presented at the data that occur in the printing machine work, to be provided with a center display unit 11 and to be connected with computing machine 1 by serial line interface 12.In diagnostic system according to the present invention, this interface 12 and display unit 11 are used for showing fault-signal in addition. Other display unit 13,14 is connected with I/O unit 8 by serial line interface 15,16, similarly except that showing operational data, also shows fault-signal.
The computing machine 2 that is used to control main drive is connected with the control plug-in card 17 of main drive, and this plug-in card 17 is connected with a motor of main drive via power level 18.Control plug-in card 17 is connected with system bus 7 in addition, so that obtain can inquiring as computing machine 1 state of power control plug-in card 17.For the numerical control device service voltage is provided with a plurality of supply units, in Fig. 1, depict to demonstration two supply units wherein.For the reason of reliability, computing machine 1 is connected with first supply unit 20 with center display unit 11, and computing machine 2, I/O unit 8 and other display unit 13,14 are connected with second source device 21.
By utilize one with the irrelevant computing machine 1 of system bus and center display unit 11 between be connected, and by utilizing isolated power supply 20, can accomplish to avoid data current to enter into other display unit or appear on the system bus such fault to these assembly power supplies.Be provided with the program that continues test and monitor of carrying out for microprocessor 3,4.In addition, by a microprocessor each other microprocessor and communication memory 9 are monitored.Test and supervisory programme can be worked out so neatly for this reason, can determine to carry out more tests of still lacking some according to test result regularly.For example can be provided with in normal duty: each little processing 3,4 is also tested another microprocessor except that a part of assembly of proving installation.And when another microprocessor breaks down, the assembly of till this computing machine of work also will be tested this moment, being tested by another microprocessor also.
What conform with purpose is in close a floodgate back and just think that printing machine also do not devote oneself to work of control device, in the initial value scope each parts is carried out careful test.When printing machine is worked, additionally monitor its running parameter then.Just can recognize thus only is confirmable fault just on the on-stream printing machine.
By suitable power cycle or by can check the contact performance of plug-in unit constantly to the monitoring that on the corresponding insert plate, continues the signal (for example cadence signal) of existence.
Flow chart shown in Fig. 2 illustrates the major part of test procedure, and it is the program of operating in microprocessor 3,4 after control device closes a floodgate.Program at first enters after beginning from detecting the step 32 in the step 31, it be carry out by corresponding microprocessor and relate to corresponding calculated machine 1,2.In a kind of malfunction, will store a corresponding fault-signal in the step on 33, and be sent to center display unit 11(Fig. 1 by serial line interface 12 going on foot on 34) in.
If do not provide any fault, test communications storer 9 in program part 35 yet detect certainly.This is to deposit and read realization with known mode itself in by information.Nonserviceable and to carry out once storage and once demonstration again, and when communication memory 9 does not have fault, will in program part 36, test other microprocessor.
Will be thus as starting point in described embodiment: generally speaking, to measure other microprocessor just much of that at every turn, rather than measure other whole computing machine, because this other computing machine is in advance by other microprocessor measurement.
Through after detecting qualified process, will in the step 37, carry out test at another microprocessor to other assembly.If when not breaking down, will go on foot detection of end program in 38, in view of the above, with the program of start-up control printing machine.When fault that the operate as normal of the printing machine of in advance not determining to send as an envoy to is obstructed, at program part: storer 33 and show after 34 that the startup of control printer program itself also can be performed.
Claims (13)
1, a kind of monitoring arrangement of printing machine electronic-controlled installation, it has the assembly that connects by a bus-bar system, at least one storer, at least one input and output unit and at least one display device is characterized in that:
--have two assemblies (1), (2) at least, one of them assembly (1) is used for the centralized control of printing machine and another assembly (2) is used for the control of main drive (17), (18), (19);
--each has a processor (3), (4) and a nonvolatile memory (5), (6) at least assembly (1), (2);
--assembly (1), (2) have an independent interface (12) at least, it with a centralized display device (11) mutually, connect; And
--each assembly (1), (2) have an independent electric supply installation (20), (21).
2, according to the device of claim 1, it is characterized in that: each processor (3), (4) are arranged on oneself the system plugin plate; And processor (3), (4) each is connected with a display device (11), (13), (14) independently of one another.
3, according to the device of claim 2, it is characterized in that: the system plugin plate is connected with each voltage power supply device (20), (21) with the display device of setting up separately (11), (13), (14).
4, according to the device of claim 1 or 2 or 3, it is characterized in that: be used to show the device of malfunction, it has display device (11), (13), (14) that show normal operation.
5, a kind of method for monitoring of printing machine electronic-controlled installation is characterized in that: behind combined floodgate, at first carry out the detection certainly of two processors (3), (4); In turn by a processor (3), (4) read-write memory (9) that is used as two interprocessor communications is detected then at every turn; And detection is reciprocally being carried out in read-write memory test back described two processors (3), (4).
6, according to the method for claim 5, it is characterized in that:, carry out detection operation power at the printing machine duration of work.
7, according to the method for claim 5, it is characterized in that: when being out of order, carry out by not out of order processor (4), (3) by the own performed detection in processor (3), (4) of this fault, evaluation and demonstration in a processor (3), (4).
8, according to the method for claim 5, it is characterized in that: test result is stored in nonvolatile memory (5) on relative each system plugin plate, (6).
9, according to the method for claim 5, it is characterized in that: fault-signal and/or test result are stored in the nonvolatile memory, and this storer also is used for the communication between two processor (3), (4).
10, according to the method for claim 5, it is characterized in that: fault-signal is stored in a nonvolatile memory (5), (6), when another fault-signal having occurred, one or more fault-signals of being stored till this moment in this nonvolatile memory (5), (6) continue to move a position in this storer.
11, according to the method for claim 5, it is characterized in that: will from nonvolatile memory (5), (6), transfer in the additional storer than the fault-signal of elder generation, and be stored in this annex memory with more first fault-signal.
12, according to the method for claim 5, it is characterized in that: before fault occurs and when occurring, running parameter is stored non-volatilely.
13, according to the method for claim 12, it is characterized in that: current running parameter is constantly stored in the nonvolatile memory; Moved behind the running parameter greater than a schedule time storage time or lose; And when a fault occurring, still protect the state of nonvolatile memory.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4000295A DE4000295C2 (en) | 1990-01-08 | 1990-01-08 | Device for diagnosing a control system of a printing press |
| DEP4000295.0 | 1990-01-08 | ||
| SG147394A SG147394G (en) | 1990-01-08 | 1994-10-11 | Diagnostic system for digitally controlled devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1053210A CN1053210A (en) | 1991-07-24 |
| CN1021420C true CN1021420C (en) | 1993-06-30 |
Family
ID=25888875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN91100008A Expired - Fee Related CN1021420C (en) | 1990-01-08 | 1991-01-07 | Diagnostic system for digital control arrangement |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0436818B1 (en) |
| JP (1) | JP2614674B2 (en) |
| CN (1) | CN1021420C (en) |
| AT (1) | ATE105780T1 (en) |
| AU (1) | AU651800B2 (en) |
| DE (2) | DE4000295C2 (en) |
| HK (1) | HK21395A (en) |
| SG (1) | SG147394G (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4321179A1 (en) * | 1993-06-25 | 1995-01-05 | Heidelberger Druckmasch Ag | Method and device for controlling or regulating the operations of a printing machine |
| DE19506261A1 (en) * | 1995-02-23 | 1996-09-05 | Roland Man Druckmasch | Bus system for a printing press |
| EP0763428A1 (en) * | 1995-09-13 | 1997-03-19 | Rockwell International Corporation | Diagnostic device for a printing press |
| DE29800480U1 (en) * | 1998-01-14 | 1998-03-05 | MAN Roland Druckmaschinen AG, 63075 Offenbach | Control system for a printing press |
| DE19818181A1 (en) * | 1998-04-23 | 1999-10-28 | Heidenhain Gmbh Dr Johannes | Method of selecting safety parameters to be monitored enables flexible storage selection of safety parameters depending on the configuration of e.g. machine tool or robot |
| DE59901334D1 (en) * | 1998-07-18 | 2002-06-06 | Roland Man Druckmasch | Maintenance and inspection system for a printing press |
| DE19908230A1 (en) * | 1999-02-25 | 2000-08-31 | Heidelberger Druckmasch Ag | Device for monitoring safety-related processes on machines |
| DE10117713B4 (en) | 2000-04-25 | 2017-05-24 | Heidelberger Druckmaschinen Ag | Printing machine with controlled adjustment control |
| DE102004001819A1 (en) * | 2004-01-07 | 2005-08-04 | Siemens Ag | Redundant computer configuration |
| DE102005001417B4 (en) * | 2004-01-29 | 2009-06-25 | Heidelberger Druckmaschinen Ag | Projection screen-dependent display / operating device |
| CN110058581B (en) * | 2019-04-15 | 2023-11-14 | 锡林郭勒职业学院 | Digital electric soft fault diagnosis device and application method thereof |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2024457B (en) * | 1978-06-07 | 1983-01-06 | Harris Corp | Printing press ready and control system |
| DE3220622A1 (en) * | 1982-06-01 | 1983-12-15 | M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach | DATA INPUT DEVICE ON PRINTING MACHINES |
| JPS59146855A (en) * | 1983-02-10 | 1984-08-22 | Toshiba Mach Co Ltd | Central control system in printing machine |
| DD217915A1 (en) * | 1983-08-19 | 1985-01-23 | Komb Polygraph W Lamberz Leipz | MONITORING DEVICE FOR HARDWARE REDUDANCE IN CONTROL AND CONTROL DEVICES A POLYGRAPHIC MACHINERY |
| EP0160167A1 (en) * | 1984-02-21 | 1985-11-06 | Didde Graphic Systems Corporation | Method and apparatus for distributed electronic control of a printing press |
| DE3708925C2 (en) * | 1986-04-30 | 1995-08-31 | Heidelberger Druckmasch Ag | Device for controlling or regulating operations on a rotary offset sheet-fed printing press |
| DE3642500A1 (en) * | 1986-12-12 | 1988-06-23 | Heidelberger Druckmasch Ag | SYSTEM FOR INPUT AND / OR OUTPUT OF SIGNALS FROM A DIGITAL CONTROL SYSTEM |
| DE3744200A1 (en) * | 1987-12-24 | 1989-07-13 | Heidelberger Druckmasch Ag | DEVICE, METHOD FOR BACKING UP DATA |
-
1990
- 1990-01-08 DE DE4000295A patent/DE4000295C2/en not_active Expired - Fee Related
- 1990-11-26 AT AT90122511T patent/ATE105780T1/en active
- 1990-11-26 DE DE59005744T patent/DE59005744D1/en not_active Expired - Fee Related
- 1990-11-26 EP EP90122511A patent/EP0436818B1/en not_active Expired - Lifetime
-
1991
- 1991-01-04 AU AU68595/91A patent/AU651800B2/en not_active Ceased
- 1991-01-07 CN CN91100008A patent/CN1021420C/en not_active Expired - Fee Related
- 1991-01-08 JP JP3011552A patent/JP2614674B2/en not_active Expired - Fee Related
-
1994
- 1994-10-11 SG SG147394A patent/SG147394G/en unknown
-
1995
- 1995-02-16 HK HK21395A patent/HK21395A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0436818A2 (en) | 1991-07-17 |
| EP0436818A3 (en) | 1991-09-04 |
| AU6859591A (en) | 1991-07-11 |
| DE4000295A1 (en) | 1991-07-11 |
| JPH04211944A (en) | 1992-08-03 |
| CN1053210A (en) | 1991-07-24 |
| DE4000295C2 (en) | 1994-05-19 |
| HK21395A (en) | 1995-02-24 |
| AU651800B2 (en) | 1994-08-04 |
| JP2614674B2 (en) | 1997-05-28 |
| ATE105780T1 (en) | 1994-06-15 |
| SG147394G (en) | 1995-03-17 |
| EP0436818B1 (en) | 1994-05-18 |
| DE59005744D1 (en) | 1994-06-23 |
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| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |