SAP HR
SAP HR (Human Resource) Module is also named HCM. It is one of many modules of SAP System which also include FI/CO, SD,MM,PP,CRM and others. It provides solution service for human resource management in the enterprise. SAP HR Module also can be divided to some sub-modules like SAP System.The sub-modules are Organizational Management (OM); Personal Administration (PA); Time Mangement (TM); Payroll (PY); Personal Development(PD); Performance Management (PM); Enterprise Learning (EL,TrainningManagment); E-Recruitment(Recruitment Management). Several SAP HR projects also use SAP Portal and Business Warehouse (BW) to improve the function of SAP HR system and Basis.
The sub modules: OM/PA/PT/PY are the four basic modules of SAP HR. OM include department,position,job,task,work center of a company. OM is very basic and all of other sub-modules depend on OM.

PA module, which is core of SAP HR system, is to manage all of the information of employee what user want to record. It is based on the OM module and support PT,PY and other modules.SAP HR Consultants must make sure the data of PA modules is exactly correct before project go live-up.
TM module is used to schedule work time for every different employee, know if the employee is late today or absent from work, whether to permit employee’s leave application and so on. Time management records employee’s every action of work and calculates the result of absence which are provided to Payroll module so that the payment to the employee can be decided.Payroll module is the most important one in SAP HR System. It is the key of success for a SAP HR project.
Thus, SAP HR module enables companies to effectively manage information about the people in their organization. It is integrated with other SAP modules and external systems. From the Organization Management perspective, companies can model a business hierarchy, the relationships of employees to various business units and the reporting structure among employees.

