Production Order Planning With a Fixed Order Lead Time
If the estimated start date of the planned order is beyond the Operations Horizon, you deal with long-term planning so no routing planning is performed.
As a result, production orders are planned in a less detailed way. In that case, the lead time equals the order lead time that is defined in the Item - Production (tiipd0101m000) session. The estimated start date is found by offsetting the fixed order lead time.
The fixed lead time is independent of the order quantity.
The order lead time can be either defined manually or calculated automatically in the Update Order Lead Times (tirou1202m000) session.
The following figure represents the planned order lead time offsetting when you use the fixed order lead time. Before you plan this order lead time, the finish date is offset by outbound, inbound, safety time, and extra lead time ( Enterprise Planning offset), and then set to the last working moment in the appropriate calendar.