Capacity Reservation

Use

This function allows you to reserve capacity on a resource in production planning and detailed scheduling (PP/DS), based on descriptive characteristics. For example, you can reserve capacity on the descriptive characteristic Customer (KUNNR)so that the resource can be used for customers with a higher level of service agreement.

Prerequisites

You have set up a capacity reservation group .In a capacity reservation group, you can choose up to three characteristics from a selected consumption group. For example, Customer (KUNNR), Product Group (VKORG), and Material Number (MATNR)

You have defined a consumption group in Customizing under Advanced Planning and Optimization → Supply Chain Planning → Demand Planning → Basic Settings → Consumption Maintain Consumption Group . Here, each characteristic must have been assigned a corresponding field from available-to-promise (ATP) field catalog.

You have assigned the consumption group to the resource. This action assigns the descriptive characteristics to the resource.

Features

Capacity reservations in resource processing

In the resource you can use the Capacity Reservation pushbutton, on the PP/DS Bucket Capacity tab, which takes the user to a detail screen. Here, the system displays the descriptive characteristics. You define how the system is to distribute the capacity of the resource, for example 50% for customer A, 30% for customer B and 20% for customer C. This is how the system reserves the capacity for the respective customer.

This graphic is explained in the accompanying text.

The PP/DS optimization takes into account the capacity reservations defined by the user.

For more information, see Maintaining Capacity Reservations .

A finiteness level is assigned to the reservation for each descriptive characteristic. This value together with the finiteness level in the scheduling strategy enables you to control planning with reservations on different levels. Thus it is possible to maintain a priority for the reservation for each characteristic.

Importing capacity reservation proposals from SNP

In the resource you can use the Capacity Reservation pushbutton, on the PP/DS Bucket Capacity tab, which takes the user to a detail screen. On the detail screen you can use the pushbutton Import Reservations from SNP that allows you to take over the capacity reservations from SNP.

Displaying the utilization for capacity reservations in the Resource Planning Table (RPT)

In the resource planning table, there is a new pushbutton Display Capacity Reservations . It displays the following information:

Reserved capacity

Available reservation

Reservation release date

Per bucket, per descriptive characteristic value, aggregated over a specific time period.

This graphic is explained in the accompanying text.

In the Detailed Scheduling (DS) Planning Board, capacity reservations are not displayed however you can access an overview of the existing reservations via a menu option.

Report to release capacity reservations

There is a report to release capacity reservations. You can use this report to either display a list of the existing capacity reservations or to release the capacity reservations.

This graphic is explained in the accompanying text.

The system releases only those capacity reservations where the reservation release date <= current date.

For more information, see Reservation Release Report .

Capacity Reservation Planning

The capacity reservations maintained in the resource master data are taken into consideration during the operation scheduling in various planning processes.

The Capable-To-Promise (CTP) derives all characteristic values from the sales order field catalog and propagates these values to the generated planned order. The planning process uses these values to check for reservations during scheduling. When finite bucket scheduling is used, the scheduler searches for buckets with sufficient capacity as well as adequate reservation.

The procurement planning heuristics also consider reservations. In this case, the descriptive characteristic values determined during lot-sizing are based on the values maintained for the forecast requirement (make-to-stock scenario) and the sales order (make-to-order scenario).

This graphic is explained in the accompanying text.

The PP/DS optimizer also takes into account the capacity reservations defined by the user.

Evaluations

The evaluation displays an aggregated view of the capacity reservation data for a resource. Using the capacity reservation report, it is possible to view:

Reserved capacity per descriptive characteristic value

Free available reservation

Detailed view of the utilization of the reservation

Utilization (%) of the reserved capacity

For more information, see SAP Easy Access menu under Advanced Planning and Optimization → Production Planning → Reporting → Order and Resource Reporting .

Alert Monitor

The alert monitor for resource overload in the PP/DS bucket displays an alert on any overload in the capacity reservation. The descriptive characteristic and the value for which the overload occurs is displayed.

For more information, see SAP Easy Access menu under Advanced Planning and Optimization → Supply chain Monitoring → Alert Monitor → Alert Monitor .

Importing capacity reservation proposals from SNP

In the resource, there is a pushbutton Import Reservation from SNP on details screen, which allows you to take over the capacity reservations from SNP.