Method for automatic configuration of a process control system and corresponding process control system

• US 20050268012A1
• Filed: 04/28/2005
• Published: 12/01/2005
• Est. Priority Date: 05/05/2004
• Status: Abandoned Application

• Current Assignee: VEGA Grieshaber KG (Grieshaber Verwaltungsgesellschaft mbH)
• Original Assignee: VEGA Grieshaber KG (Grieshaber Verwaltungsgesellschaft mbH)
• Inventors: Faist, Fridolin, Schaetzle, Ralf
• Application Number:
  US11/117,011
• Publication Number:
  US 20050268012A1
• Time in Patent Office: Days
• US Class Current: 710/110
• CPC Class Codes: G05B 19/042 using digital processors G05B19/05 takes precedence
• CPC Class Codes: G05B 2219/2228 Master detects and configures slaves
• CPC Class Codes: G05B 2219/25296 Identification module, type connected I-O, device
• CPC Class Codes: G06F 13/4208 being a system bus, e.g. VME bus, Futurebus, Multibus

Abstract

According to the invention a method for automatic configuration of a process control system is provided, comprising a master and at least one slave, wherein the master controls the at least one slave, which is connected to and communicates with the master via a bus system, and processes data received from the at least one slave, whereby the master automatically identifies the at least one slave via the bus system, and subsequently automatically generates an apparatus configuration for setting up the slave according to its identification such that the slave is ready to be operated in the process control system. Moreover, the invention relates to a process control system adapted to carry out the method.

Claims

1. A method for automatic configuration of a process control system comprising a master and at least one slave, wherein the method comprises the steps of:

controlling the at least one slave by the master, wherein the at least one slave is connected to and communicates with the master via a bus system, and processing data received from the at least one slave by means of the master,

automatically identifying the at least one slave by the master via the bus system, and subsequently automatically generating an apparatus configuration for setting up the slave according to its identification such that the slave is ready to be operated in the process control system,

generating, by means of the master, a measurement loop comprising an input component, an output component, and a function component for the apparatus configuration.

2. The method according to claim 1, whereby the master is an analyzing apparatus, in particular a control unit, comprising allocation tables, from which it selects the apparatus configuration for the slave identified.

3. The method according to claim 1, whereby the slave is a field apparatus, in particular a sensor or an actuator.

4. The method according to claim 1, whereby the identification of the connected slave is carried out a functionality of the master.

5. The method according to claim 1, further comprising the step of:

initiating, upon starting the process control system, communication towards the bus system by the master.

6. The method according to claim 1, wherein for identifying the field apparatus, the master retrieves information concerning manufacturer, type, apparatus TAG by means of standardized commands.

7. The method according to claim 1, further comprising the step of:

comparing, by the master, the identification data of the slave to apparatus profiles, contained in the allocation tables, to find the adequate apparatus profile to set up the slave for operation in the process control system.

8. The method according to claim 1, wherein the allocation table is supplemented by reloadable adapted apparatus profiles.

9. The method according to claim 1, further comprising the step of:

interactively correcting an automatically generated measurement loop.

10. The method according to claim 1, further comprising the step of:

deactivating, during the correction of the measurement loop, the automatic generation of measurement loop until new slaves are connected to the master or until the automatic measurement loop generation is reactivated.

11. The method according to claim 1, wherein the automatic adaptation of already present measurement loop is carried out when an already connected slave is replaced by another type of slave.

12. A method for automatic configuration of a process control system, comprising at least one field apparatus, which is connected via a bus system to an analyzing apparatus, wherein the method comprises the steps of:

verifying, upon starting the analyzing apparatus, the presence of the field apparatus at the bus system at a certain bus address by means of the analyzing apparatus,

requesting, upon response of the bus system, for identification of the field apparatus, information concerning manufacturer, type, and apparatus TAG of the field apparatus via the bus system by means of the analyzing apparatus,

comparing, subsequent to the identification, data retrieved during the identification process to field apparatus profiles stored in allocation tables of the analyzing apparatus by means of the analyzing system,

generating, by means of the analyzing system and upon an coincidence, an apparatus configuration in form of a measurement loop, comprising an input component, a function component, and an output component, by means of which the field apparatus is ready for operation.

13. A process control system comprising:

a master; and

at least one slave;

wherein the master is adapted to control the slave and to process data received from the slave;

wherein the slave is adapted to be connected to and to communicate with the master via a bus system;

wherein the master is adapted to automatically identify the slave via the bus system, and to subsequently generate an apparatus configuration for setting up the slave according to its identification such that the slave is ready to be operated in the process control system,

wherein the master is adapted to generate a measurement loop for a specific identified slave;

wherein the measurement loop comprises at least one input component, at least one output component, and at least one function component.

14. The process control system according to claim 13, wherein the master is an analyzing apparatus and the slave is a field apparatus.

15. The process control system according to claim 13, wherein the master is a control unit and the slave is at least one of a sensor and an actuator.

16. The process control system according to claim 13, wherein the master comprises allocation tables, which contain a number of predefined apparatus configurations suitable for a number of the field apparatuses.

17. The process control system according to claim 16, wherein the allocation tables are supplementable via an input device.

18. The process control system according to claim 13, wherein the bus system is a HART-bus system.

19. The process control system according to claim 13, wherein the bus system comprises commands for the master for requesting the presence of a slave at the bus system.

20. The process control system according to claim 16, wherein the allocation tables are supplementable by reloadable adapted apparatus profiles.

21. The process control system according to claim 16, wherein whereby the allocation tables comprise fixed measurement loop profiles for each apparatus profile.