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Enterprise Wide Information Systems Functionality and the Reference Model Instructor: Richard W. Vawter

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Title: Enterprise Engineering with R/3 Subject: Functionality and the Reference Model Author: Richard W. Vawter Last modified by: Richard W. Vawter – PowerPoint PPT presentation

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Title: Enterprise Wide Information Systems Functionality and the Reference Model Instructor: Richard W. Vawter


1
Enterprise Wide Information Systems
Functionality and the Reference Model
Instructor Richard W. Vawter
2
Objectives
  • Identify the functional and technical integration
    issues that are important in the daily processing
    activities performed by an ERP.
  • Understand the integration between the functional
    (application) areas.
  • Recognize the system tools that describe the
    integrated components of the R/3 system.
  • Understand how the SAP R/3 Reference Model can be
    used as a blueprint to display the functionality
    and integration of the system.

3
What is Meant by Best Business Practices?
  • Suggested method for conducting business
    processes that lead to efficient operation.
  • Recognized order of steps.
  • Used as a roadmap by Big 5 consulting firms.
  • Supported by SAP R/3.

4
What is Meant by Integration?
  • Common organizational structures throughout the
    system.
  • Seamless processing of common data between
    applications.
  • Common reporting features and functionality.
  • Object and application linking and overall system
    communication.

5
Example of Integration Requirements
Business Process Integration Customer Order
Management
6
Customer Order Management Process Integration
(cont.)
The Three Components of Process Integration
7
Customer Order Management Process Integration
(cont.)
Integrated Components of a Business Function
8
In Summary, The Benefits of Integration
  • Timely access to common information.
  • Flexibility and adaptability to growth.
  • Elimination of duplicate entries.
  • Visibility of business results across functional
    boundaries.
  • Minimization of systems interfaces and
    maintenance requirements while maintaining
    portability.
  • Immediate reflection of financial impacts.
  • Decisions captured at the source for better
    control and accuracy.

9
The SAP R/3 Reference Model
SAP R/3 System Functionality
Views
Business User
The SAP R/3 Reference Model
10
The Reference Model Can
  • Help quickly identify required business
    processes.
  • Analyze how the required business processes are
    provided by the SAP R/3 System and determine
    potential gaps.
  • Identify alternative solutions for optimizing
    business processes.
  • Maximize integration throughout the SAP R/3
    System using real world business models.

11
The Reference Model Views Help Answer
  • What should be done? (i.e., business functions)
  • Who should do what and where? (i.e.,
    organizational elements)
  • Which information is required? (i.e., data)

12
Reference Model Views
Organization Diagram
13
Process Selection Matrix
  • An index of SAP R/3 Systems functionality in a
    given area.
  • Good communication reference point for
    consultants and team leaders.

14
Scenario Process Event-driven Process Chain (EPC)
  • An overview of existing R/3 Sys-tem processing in
    a particular business scenario

15
Basic Elements of Process Modeling
Descriptor Symbol Definition
An event describes the occurrence of a status
that causes an effect. A function describes the
transform-ation from an initial status to a
target status. A linking operator describes the
logical connection between events and
functions. Control flow describes the
time/logical dependency of events and functions A
process path shows the link to/from another
process.
Event Function Linking operators Control
flow Process path
XOR
XOR AND OR
16
Process Event-driven Process Chain
  • A detailed representation of SAP R/3 System
    business functionality options in a particular
    business process.
  • From here, you can also access transaction
    screens and documentation.

17
Organizational Diagram
  • A model of the relationships between SAP R/3
    System organizational elements.

18
Review of the two views of The Business Navigator
  • The Component View
  • The Component View describes the application
    components in the SAP R/3 System as a static
    hierarchy.
  • It is the basis on which you can select the
    application components to be implemented.
  • The Process Flow View
  • The Process Flow View describes the business
    processes in the SAP R/3 System.
  • The control flow is portrayed in terms of events,
    functions, and link rules.
  • ASAP is based upon the Process Flow View.

19
In Summary, the Reference Models can help
  • Identify customer-required business processes.
  • Analyze the extent to which the required
    functions are provided by the SAP R/3 System.
  • Identify alternative solutions for optimizing
    business processes.
  • Maximize integration throughout the SAP R/3
    System using real world business models.
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