【MM ECC VS S4】MM模块中ECC与S4的区别

原文出自 https://blogs.sap.com/2017/04/28/comparison-of-simplification-and-functionality-in-s4-and-ecc-in-procurement-process/ 

Functionality/Element	ECC	S/4
Material Master	Material Number length is 18 characters Service Master is used for Services.	Material Number length 040 characters MRP fields – Quota arr. Usage, SLoc MRP indicator, spec. proc. type SLoc , reorder qty and replenishment qty are not required to be switched on. A new Material type ‘SERV” for service material. However, service material type “DIEN’ is also available.
Vendor Master	Master data is maintained separately for Vendor and Customer. Only one single address No integrated classification data No time – dependency Supplier evaluation is only on hard facts only and supplier evaluation for soft-facts using questionnaire is not available but only in SAP Supplier Life cycle management. No integration to Dun &Bradstreet Information Services	Business partner concept is used as a replacement for Vendor and Customer Master. The roles available are “000000” – Business Partner (Gen), “FLVN00” – FI Vendor and “FLVN01” – Supplier. Multiple addresses are possible. Multiple roles Time dependency object attributes and relationships Purchasing Category: Suppliers can be managed according to specific categories of goods and services. Classification: Assign important characteristics to suppliers. A score card for each supplier to monitor supplier’s social responsibility compliance Own questionnaire can be defined directly and evaluation requests can be created and distributed directly to appraisers. Support of Dun &Bradstreet Information Services  data
Purchase Requisition	If no source of supply is assigned automatically by the system, Buyer needs to do this manually.	System proposes automatically a set of available sources of supply to facilitate and accelerate assignment of source of supply. Grouping, filtering and downloading capabilities of open purchase requisitions.
Purchase Order processing	Search for existing POs is time –consuming, no provisioning of existing documents. No prefilling of other fields based on supplier. No pre-filtering of value help search results. Only at the end get a list of errors that need to be corrected.	Dynamic prefilling and provisioning of fields based on selected supplier or material type. Restricted list of available value help fields to avoid subsequent errors in purchase order. Draft purchase order is created automatically when session is lost or retrieved automatically upon returning.
Output Management	The output management configuration is based in NAST.	The configuration is based on BRF+ (Business Rule Framework Plus) based on Adobe server and Adobe Forms. But NAST configuration is still supported for New documents.
Contract Management	Only one-time search for contract documents is possible. No action can be done directly in the contract list Approval information is missing Notes are missing	All activities can be executed in one screen Contract target value or target quantity update Approval details, notes, business card for supplier are provided
Invoice processing	Inflexible search functionalities Confusing visualization of Supplier invoice to detect issues Administrator has to resolve business issues in case of faulty supplier invoice	Flexible and dynamic search capabilities Defect issues in one glance Directly resolve issues finish the process

1. 物料主数据

ECC

• 物料号长度18位
• 服务使用服务主数据

S/4

• 物料号长度40位
• MRP字段 – Quota arr. Usage, SLoc MRP indicator, spec. proc. type SLoc , reorder qty and replenishment qty 不再需要被开启。
• 新的物料类型SERV用于服务型物料。然而，服务物料类型DIEN依然可用。

2. 供应商主数据

ECC

• 客户和供应商主数据分开维护。
• 只有一个单独的地址。
• 没有集成的分类数据。
• 没有时间相关性。
• 供应商评估只能基于“硬事实”，而不支持调查问卷等“软事实”方式，软事实方式仅在SAP Supplier Life cycle management中被支持。
• 不支持到邓白氏信息服务的集成。

S/4

• 业务伙伴被用于替代供应商和客户主数据。
• 可用的角色是“000000” – 业务伙伴 (通用), “FLVN00” – FI供应商 和“FLVN01” – 供应商。
• 支持多个地址。
• 支持多个角色。
• 时间相关的对象属性和关系。
• 采购类别：供应商可以按照采购不同货物或服务的类别进行管理。
• 分类：分配重要的特征给供应商。用每个供应商一个计分卡的方式来监控供应商的社会责任合规性。
• 可以自行定义问卷调查，评估请求可以被创建并直接发给评估者。
• 支持邓白氏信息服务。

3. 采购申请

ECC

• 如果系统没有自动分配货源，采购员需要手工分配。

S/4

• 系统自动建议一组可用货源，方便和加速货源分配。
• 未清PR的分组，过滤和下载功能。

4. 采购订单处理

ECC

• 搜索已经存在的PO是很花时间的，无法提前准备已经存在的凭证。
• 无法用基于供应商的某些字段做提前数据准备。
• 无法提前对值进行筛选来帮助提升搜索结果。
• 只在最后得到一个结果，关于哪些错误需要被改正。

S/4

• 基于选定的供应尚或物料类型的，动态的数据预载入。
• 支持字段的有效值筛选，避免采购订单中的后续错误。
• 当连接丢失时，自动保存草稿版的PO，待连接回复后可继续编辑。

5. 输出管理

ECC

• 输出管理的配置是基于NAST。

S/4

• 配置基于BRF+ (Business Rule Framework Plus) ，和Adobe server和Adobe Forms。但是NAST依然可用。

6. 合同管理

ECC

• 对合同凭证，只可以一次性搜索。
• 不允许直接在合同清单中进行操作。
• 缺少审批信息。
• 缺少注释。

S/4

• 所有的活动可以在一个屏幕内完成。
• 合同目标值或目标数量更新。
• 提供了审批信息，注释，供应商名片。

7. 发票处理

ECC

• 搜索功能不灵活。
• 供应商发票界面令人困惑，问题发生时，不容易找到。
• 当错误的供应商发票出现时，系统管理员需要解决业务问题。

S/4

• 灵活和动态的搜索能力。
• 一目了然就能找到问题。
• 直接解决问题，结束流程。