The below gives an idea of what solutions can be proposed for Data Conversion.
Base assumptions
- Data Conversion approach is well defined and understood by all parties involved
- Mapping between legacy data and SAP structures has been completed
- Sample files are ready for performing unit testing
- One set of source structures is used1
- Analysis and Design correspond to the time required for reviewing the approach/mapping and proposing a solution
- Construction is the time necessary to build the LSMW object
- Unit Testing corresponds to the time necessary to load the set of sample files into the development client
Complexity factors
The complexity of a Data Conversion object depends on multiple criteria whose most important are:
- Data quality of source files
- Number of source files
- Existence of a standard LSMW method/object, BAPI or ALE message type
- Complexity of the mapping between the legacy data structures and the SAP data structures (complex algorithms…)
Estimation metrics
Estimation metrics are usually based on complexity factors (Low , Medium, High).
Figures below are purely indicative and should be adapted to customer’s requirements.
Complexity / Phase
Analysis & Design
Construction
Unit Testing
Low
0.5 day
1 day
2 days
Medium
1 day
2 days
3 days
High
2 days
3 days
5 days
Low
Object
Comments
FI01 – G/L Account
ALE method, creation+extension, 1 source structure
FI02 – Secondary Cost Element
ALE method, creation, 1 source structure
FI03 – Activity Type
ALE method, creation, 1 source structure
FI05 – Profit Center
ALE method, creation, 1 source structure
FI06 – Cost Center
ALE method, creation, 1 source structure
FI07 – Bank Master
Custom recording, creation, 1 source structure
FI11 – Internal Order
Custom recording, creation, 1 source structure
MM06 – Storage Bin
Custom recording, creation, 1 source structure
MM10 – Control Cycle
Custom recording, creation, 1 source structure
Medium
Object
Comments
FI04 – Fixed Asset
Standard DI method, creation, 1 source structure
FI08 – G/L Opening Balance
Standard BI method, creation, 1 source structure
FI09 – A/P Open Item
Standard BI method, creation, 1 source structure
FI10 – A/R Open Item
Standard BI method, creation, 1 source structure
FI12 – Activity Price
ALE method, creation, 1 source structure
MM02 – Material Classification
Standard BI method, creation, 1 source structure
MM04 – Purchase Info Record
Standard BI method, creation, 1 source structure
MM07 – Inventory Stock
Standard BI method, creation, 1 source structure
MM08 – Warehouse Stock
Standard BI method, creation, 1 source structure
PP02 – Bill of Materials
Standard BI method, creation, 1 source structure
SD05 – Customer Material Info Record
Standard BI method, creation, 1 source structure
SD02 – Credit Master
Custom recording, creation, 1 source structure
SD03 – Customer Hierarchy
<tbd>, creation, <tbd>
SD04 – Pricing Condition Record
<tbd>, creation, 1 source structure
LE01 – Transportation Zone
Custom program, creation, 1 source structure
LE02 – Route
Custom program, creation, 1 source structure
LE04 – Route Stage
Custom program, creation, 1 source structure
PP01 – Work Center
Standard DI method, creation, 1 source structure
PP05 – Planning Data
<tbd>, creation, <tbd>
High
Object
Comments
MM01 – Material
Standard DI method, creation+extension, 1 source structure
MM03 – Vendor
Standard BI method, creation+extension, 1 source structure
MM05 – Open Purchase Order
ALE method, creation, multiple source structures
SD01 – Customer
Standard BI method, creation+extension, 1 source structure
SD08 – Open Sales Order
ALE method, creation, multiple source structures
SD07 – Rebate Agreement
<tbd>, creation, <tbd>
LE03 – Shipping Costs
Custom program, creation, multiple source structures
PP03 – Routing
ALE method, creation, 1 source structure
PP04 – Recipe and Formula
<tbd>, creation, <tbd>
PP06 – Open Production Order
<tbd>, creation, <tbd>