| # Introduction In addition to the lead time components, you must define a horizon. In ERP Enterprise, a horizon indicates a time period. In the period before the start date of the horizon, short-term, detailed planning of lead times is applied, using several lead time components on the basis of routing data. After the start date of the lead-time horizon, long-term planning is applied. In long-term planning, only a reduced number of lead-time components is used to calculate lead times. Due to the limited number of lead-time components, the performance of the planning run is optimized.
Lead time horizon | Package | Unit | Defined in
--- | --- | --- | ---
Lead Time Horizon (Days) | TD | days | Items - Purchase Business Partner (tdipu0110m000)
Start of Fixed Lead-Time Horizon (SFC) | EP | days | Items - Planning (cprpd1100m000)
For planned production orders, the Start of Fixed Lead-Time Horizon (SFC) field in the Items - Planning (cprpd1100m000) determines when short-term planning ends, and long-term, fixed planning begins. For planned purchase orders, the Lead Time Horizon (Days) field determines the periods for short-term planning and fixed planning. The distinction between detailed lead-time planning and fixed lead-time planning applies only to order planning. The distinction does not apply to master planning. |