Select the Right Time Evaluation Starter Schema: Part 1

  • by Leendert van der Bijl, SAP HR and Payroll Consultant, EPIUSE America
  • December 15, 2004
It's important to select the appropriate time evaluation starter schema because this decision impacts how you plan your R/3 time management environment. Learn more about how to select a time evaluation starter schema, how time schemas differentiate between positive and negative time evaluation, and how the TIMTP and TYPES functions work.
Key Concept

A time pair is a self-contained unit of time data. The term is derived from the concept of pairing up a start time with an end time to produce a single time pair. A time pair has many attributes. Prominent among them are the start and end time and the length of time between the start and end time. A time pair does not necessarily need to have the start and end times filled, but it always has a specific duration.

The starter schemas are intended as a starting point for customers implementing R/3 time evaluation. They provide an outline for a well-configured time schema. These schemas also include preconfigured rules for certain pay practices, e.g., for the calculation of overtime. Four time starter schemas are included with standard SAP R/3. They are TM00, TM01, TM02, and TM04.

Whenever a time evaluation schema is implemented in R/3, a key decision is which time evaluation starter schema to use. In other words, which of the delivered example schemas — such as TM00 and TM04 — should you use as the basis for the time evaluation implementation?

This is not a trivial question since the time schema is inextricably linked to the broader R/3 time management environment. The selection of a starter schema has to take into consideration how this environment is planned. For example, if you want to implement an exception-only time recording environment, then the time schema needs to reflect that by including the appropriate schema code.

The selection of the most relevant starter schema depends to a significant extent on whether that schema includes function TIMTP or function TYPES. These two functions are pivotal in any SAP time schema; they are the transition points between raw time data and the wage types and other results that are derived from this data. Understanding these two functions is important for selecting the most appropriate starter schema.

This is the first article in a series that explores how to select a time evaluation starter schema. In the course of this series, I’ll discuss several aspects of SAP time evaluation. Among them are how time schemas differentiate between positive and negative time evaluation, the time pair concept, and how the TIMTP and TYPES functions work.

Leendert van der Bijl

Leendert van der Bijl has been consulting in SAP HR and Payroll for more than eight years. He started out as an SAP time management consultant and over the years has assisted customers in a variety of industry sectors with their SAP implementations. Most recently, he conducted the first implementation of Concurrent Employment time management.

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