Hi Justin,
see responses below:
1. Most of PLM sub-modules are the functions of SAP ECC components as I see. So what's the relationship between SAP PLM and SAP ECC?
SAP PLM capabilities are an integral part of SAP ECC, some are natively available like SAP GUI based BOM Management, Classification, Variant Configuration, Engineeering Change Management, etc., some , especially those in the PLM Web UI, need to be activated through Business Functions made available in various standard SAP ECC Enhancement Packages and partially licensed, like e.g. Engineering Record, Product Structure Synchronization, Access Control Management.
2. SAP PLM can be installed as an independent instance or as an integrated instance with SAP ECC as I read from document. Is it correct?
Yes.
3. I read SAP PPM can be installed as an independent instance as well, what's PPM relationship to SAP PLM?
SAP PPM is a a standalone product with its own license. It integrates into SAP ERP/PLM and other legacy and Business Suite solutions.
4. Most PLM user interface is using Web UI. Is it based ABAP webdynpro or Java webdynpro? Someone told me it's based on FPM framework in ABAP wedynpro. If you know, please share me your idea as well.
PLM Web UI is ABAP WebDynpro. And yes, it uses Floor Plan Manager.
5. Any workflow function in SAP PLM? If user requires workflow to manage R&D process in SAP PLM, is it using similar ABAP workflow technology as in SAP ECC? Or java-based workflow as in BPM?
SAP Business Workflow is leveraged in SAP PLM. Anyone can feel free to use SAP BPM as well, especially if workflows are crossing applications, and need to be orchestrated accordingly.
Hope this helps.
Ulf.
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