MES（制造执行系统）作为面向制造的系统必然要与企业其它生产管理系统有密切关系。那MES（制造执行系统）与其他信息系统之间的关系是什么？MES（制造执行系统）在其中起到了信息集线器（Information Hub）的作用，MES（制造执行系统）相当于一个通讯工具为其它应用系统提供生产现场的实时数据。
一方面，ERP系统需要MES（制造执行系统）提供的成本、制造周期和预计产出时间等实时的生产数据；供应链管理系统从MES（制造执行系统）中获取当前的订单状态、当前的生产能力以及企业中生产换班的相互约束关系；客户关系管理的成功报价与准时交货则取决于MES（制造执行系统）所提供的有关生产实时数据；产品数据管理中的产品设计信息是基于MES（制造执行系统）的产品产出和生产质量数据进行优化的；控制模块则需要时刻从MES（制造执行系统）中获取生产配方和操作技术资料来指导人员和设备进行正确地生产。
另一方面，MES（制造执行系统）也要从其它系统中获取相关的数据以保证MES（制造执行系统）在工厂中的正常运行。例如，MES（制造执行系统）中进行生产调度的数据来自ERP的计划数据；供应链的主计划和调度控制着MES（制造执行系统）中生产活动的时间安排；PDM为MES（制造执行系统）提供实际生产的工艺文件和各种配方及操作参数；从控制模块反馈的实时生产状态数据被MES（制造执行系统）用于实际生产性能评估和操作条件的判断。
MES（制造执行系统）与其它分系统之间有功能重叠的关系，例如MES，CRM，ERP中都有人力资源管理，MES和PDM两者都具有文档控制功能，MES和SCM中也同样有调度管理等等，但各自的侧重点是不同的。各系统重叠范围的大小与工厂的实际执行情况有关，而且每个系统的价值又是唯一的。
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翻译：
What is the relationship between MES (Manufacturing Execution System) and other information systems?
MES (Manufacturing Execution System), as a manufacturing-oriented system, must be closely related to other production management systems of enterprises. What is the relationship between MES (Manufacturing Execution System) and other information systems?MES (manufacturing execution System) plays the role of Information Hub. MES (Manufacturing Execution System) is a communication tool that provides real-time data on the production site to other applications.
On the one hand, ERP system needs real-time production data such as cost, manufacturing cycle and estimated output time provided by MES (Manufacturing Execution System).
The supply chain management system obtains the current order status. Current production capacity and the mutual constraint relationship of production shift in the enterprise from MES (Manufacturing execution System). The successful quotation and on-time delivery of customer relationship management depend. On the real-time production data provided by MES (Manufacturing Execution System). Product design information in product data management is optimized based on product output and production quality data of MES (Manufacturing Execution System). The control module needs to obtain production formula and operation technical data from MES (Manufacturing Execution System) at all times to guide personnel and equipment to carry out correct production.
On the other hand, MES (Manufacturing Execution System) also needs to obtain relevant data from other systems to ensure the normal operation of MES (manufacturing execution system) in the factory.
For example, the data for production scheduling in MES (Manufacturing Execution System) comes from the planning data of ERP. Supply chain master planning and scheduling control the timing of production activities in MES (Manufacturing Execution System). PDM provides MES (Manufacturing Execution System) with actual production process documents and various formulations and operating parameters. The real-time production status data fed back from the control module is used by MES (Manufacturing Execution System) to evaluate actual production performance and judge operating conditions.
There is a functional overlap between MES (Manufacturing execution System) and other subsystems. Such as MES, CRM, ERP have human resource management. MES and PDM both have document control functions. MES and SCM also have scheduling management and so on, but their respective emphases are different. The size of the overlapping scope of each system is related to the actual performance of the plant. And the value of each system is unique.
