SAP – Logistic Execution
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SAP – Logistic Execution
Introduction
In this lecture we will cover the concept of material Availability
which is also know as Availability of Promise (ATP)
We will cover the concept of ATP, its’ application and
configuration
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SAP – Logistic Execution
Introduction
Core concept
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SAP – Logistic Execution
ATP rule
• The ATP rule is determined from the material master in MRP 3,
Availability check field (Checking Group for Availability Check)
• The value is copied from the material master into the sales order.
• The checking rule is hardcoded into SAP, for
• Sales order = A
• Delivery = B
• The combination of the Checking Group and Checking rule will
determine the various factors to consider in ATP
Note: The ATP checking rule can be “overridden” via a user exit if required for a business
process. For example, an “emergency” order could use a ATP rule that allows the user of
reserve stock, while normal orders do not.
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SAP – Logistic Execution
Introduction
Configuration
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SAP – Logistic Execution
ATP configuration
For the configuration, we are going to look at
• Define Checking Groups
• Carry Out Control For Availability Check
• Define Procedure For Each Schedule Line Category
• Determine Procedure For Each Delivery Item Category
• Checking Rule For Updating Backorders
• Define Default Settings
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SAP – Logistic Execution
ATP Allocation
Allocation can either be
• Soft, in which the allocation of ATP stock can be
changed – Sales orders
• Hard, in which the allocation of ATP cannot be
changed and only release when if the document is
deleted - delivery
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SAP – Logistic Execution
Introduction
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SAP – Logistic Execution
Availability Check Including Replenishment Time
Inward
200
70
Today
50 10
200
Requested
Replenishment Delivery Date
Lead Time
Outward
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SAP – Logistic Execution
Supply Chain - Scheduling
Backward Scheduling
Material
Available Transportation Loading Date Shipping Delivery Date
date Planning Date & Goods Issue
Local DC
Route
Loading
Planning
Pick & Pack
Forward Scheduling
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SAP – Logistic Execution
Introduction
Re-scheduling demo
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SAP – Logistic Execution
Re-allocation
Allows the re-allocation of stock from a sales order
What can be reallocated?
• Only sales order and STO usually referred to as soft allocation, meaning that
they can change
• Hard allocation Delivery, allocation cannot be changed, unless it is release by
dele
Reallocations have the following used?
Should I use it?
• When you have stock shortages and need to allocation stock
• Prioritization
• Make to stock
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SAP – Logistic Execution
Introduction
ATP config
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SAP – Logistic Execution
Scheduling
Introduction
Backward Scheduling
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SAP – Logistic Execution
Supply Chain - Scheduling
Backward Scheduling
Material
Transportation Loading Date
Available Shipping Delivery Date
Planning Date & Goods Issue
date
Local DC
Route
Loading
Planning
Pick & Pack
Forward Scheduling
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