DE102005002211A1 - Control system for e.g. project planning, has restore function, which is activated based on predetermined criteria and loads parameter that is stored in external file in to online memory for operation of program in program unit - Google Patents
Control system for e.g. project planning, has restore function, which is activated based on predetermined criteria and loads parameter that is stored in external file in to online memory for operation of program in program unit Download PDFInfo
- Publication number
- DE102005002211A1 DE102005002211A1 DE200510002211 DE102005002211A DE102005002211A1 DE 102005002211 A1 DE102005002211 A1 DE 102005002211A1 DE 200510002211 DE200510002211 DE 200510002211 DE 102005002211 A DE102005002211 A DE 102005002211A DE 102005002211 A1 DE102005002211 A1 DE 102005002211A1
- Authority
- DE
- Germany
- Prior art keywords
- program
- stored
- restore function
- online
- unit
- 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.)
- Ceased
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1456—Hardware arrangements for backup
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1458—Management of the backup or restore process
- G06F11/1469—Backup restoration techniques
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Stored Programmes (AREA)
- Programmable Controllers (AREA)
Abstract
Description
Die Erfindung befasst sich mit einem System mit einer Programmeinheit, in die ein Programm geladen ist, und mit einer Eingabeeinheit, die eine Eingabe oder Veränderung von in einem Online-Speicher abgelegten Parametern zum Betrieb des Programms ermöglicht.The Invention deals with a system with a program unit, into which a program is loaded, and with an input unit, the an input or change of stored in an online memory parameters for operating the Program allows.
Derartige Systeme werden in bekannter Weise bei der Projektierung, z. B. prozesstechnischer Anlagen, eingesetzt. Dabei ist es üblich, Anlagenparameter, d. h. Online-Daten über ein Leitsystem zu ändern. Die Änderungen werden nur innerhalb der speicherprogrammierbaren Steuerung (PLC) gehalten. Werden die Änderungen nicht synchron in der Offline-Projektierung gehalten, werden beim erneuten Laden des Programms aus einem Offline-Behälter der Engineering-Station in die PLC, die geänderten Online-Parameter überschritten. Dies führt dazu, dass wichtige Parameter verloren gehen und die Anlage nicht gemäß der Spezifikation arbeitet. Um dies zu vermeiden, wurde bisher das aktuelle Programm im Zentralprozessor granular und zeitaufwendig in den Offline-Programmbehälter zurück gelesen, um die aktuellen Parameter zu erhalten. Für diesen manuellen Rückleseprozess ist im Bearbeitungsprogramm eine Rücklese-Option eingerichtet, durch die ein Anlagenzustand datenmäßig gesichert werden konnte. Nach einem Ausfall der speicherprogrammierbaren Steuerung und dem damit verbundenen Verlust der aktuellen Parameter kann der zuletzt gesicherte Zustand der Anlage wieder eingespielt werden.such Systems are in a known manner in the project, z. B. process engineering equipment, used. It is customary Plant parameters, d. H. To change online data via a control system. The changes are only used within the programmable logic controller (PLC) held. Be the changes not synchronously held in the offline configuration, the Reloading the program from an offline container Engineering station in the PLC, the changed online parameters exceeded. this leads to important parameters are lost and the system is not according to the specification is working. To avoid this, so far the current program was in Central processor granular and time-consuming read back into the offline program container, to get the current parameters. For this manual re-reading process If a read-back option is set up in the processing program, by which a plant state could be backed up by data. After a failure of the programmable logic controller and the associated loss of current parameters may last secured state of the system can be restored.
Der Erfindung liegt die Aufgabe zugrunde, das oben genannte System dahingehend zu verändern, dass eine vereinfachte Datensicherung der Online-Parameter erfolgt.Of the Invention is based on the object, the above system to that effect to change, that a simplified backup of the online parameters takes place.
Die Aufgabe wird durch ein System nach Anspruch 1 gelöst.The The object is achieved by a system according to claim 1.
Vorteilhafte Weiterbildungen der Erfindung sind den Unteransprüchen zu entnehmen.advantageous Further developments of the invention are the dependent claims remove.
Ein
Ausführungsbeispiel
der Erfindung wird anhand einer Zeichnung näher erläutert. In der Figur ist ein
System
Als
Beispiel sei ein PID-Regler genannt, dessen Regelparameter aufgrund
einer Optimierung über
die Eingabeeinheit
Mit
Hilfe der Backup-Funktion wird ein eventueller Verlust von aktuellen
Parametern verhindert. Zum Betrieb der Programmeinheit
Die Anlauf-Routine wird so lange von einem Rücklesebaustein angehalten, bis alle Daten zurück geschrieben sind.The Startup routine is stopped by a readback block, until all data is written back are.
Das erfindungsgemäße System trägt dazu bei, dass die Anlagenverfügbarkeit und Sicherheit erhöht und Datenverluste vermieden werden.The inventive system helps to that the plant availability and safety increased and data losses are avoided.
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200510002211 DE102005002211A1 (en) | 2005-01-17 | 2005-01-17 | Control system for e.g. project planning, has restore function, which is activated based on predetermined criteria and loads parameter that is stored in external file in to online memory for operation of program in program unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200510002211 DE102005002211A1 (en) | 2005-01-17 | 2005-01-17 | Control system for e.g. project planning, has restore function, which is activated based on predetermined criteria and loads parameter that is stored in external file in to online memory for operation of program in program unit |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102005002211A1 true DE102005002211A1 (en) | 2006-07-27 |
Family
ID=36650382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200510002211 Ceased DE102005002211A1 (en) | 2005-01-17 | 2005-01-17 | Control system for e.g. project planning, has restore function, which is activated based on predetermined criteria and loads parameter that is stored in external file in to online memory for operation of program in program unit |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102005002211A1 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19625619C2 (en) * | 1996-06-26 | 1998-04-16 | Siemens Ag | Method for storing data in a motor vehicle |
-
2005
- 2005-01-17 DE DE200510002211 patent/DE102005002211A1/en not_active Ceased
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19625619C2 (en) * | 1996-06-26 | 1998-04-16 | Siemens Ag | Method for storing data in a motor vehicle |
Non-Patent Citations (1)
Title |
---|
KR 2003048727 A (abstract). WPIDS (online). In: STN Accession No. 2003-742259 * |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8131 | Rejection |