JinJin48

SAP Consultant | BTP · S/4HANA · US Global Rollout

June 25, 2026 · 6 min read

SAP PP Routing

The Routing (作業手順) is the master data object that defines the manufacturing process for a finished or semi-finished material. It specifies the sequence of operations, the work centers responsible for each operation, and the standard times (setup, machine, labor) required to complete production. Together with the BOM, the Routing forms the technical backbone of production planning, scheduling, capacity planning, and cost calculation. This article covers Routing and its child object Routing Operation — their types, organizational scope, integration with other PP master data, and the field-level detail PP consultants configure and maintain.

Part 1: Routing — Core Concepts (All Modules)#

1.1 What Is the Routing?#

A Routing is a time-sequenced list of manufacturing operations that describes how a product is made. Each operation is assigned to a Work Center and carries standard time values used for scheduling, capacity planning, and cost roll-up. Without a Routing, SAP PP cannot schedule production orders, plan capacity, or calculate standard costs for manufactured materials.

1.2 Routing Types and Variants#

SAP PP uses the concept of “task lists” to cover multiple manufacturing scenarios. Selecting the wrong task list type causes mismatches in production order creation, capacity planning, and costing.

Design principle: For standard discrete manufacturing projects, only Routing (type N) and Reference Operation Sets are relevant. Commit to the Reference Operation Set strategy early — retrofitting shared operations into existing routings is high-effort.

1.3 Organizational Levels and Data Hierarchy#

Data hierarchy with a concrete example

Plant 1000
   │
   ├── Material FG-1000
   │      Finished Good — Widget Assembly X
   │      │
   │      └── BOM Header (Usage 1, Alt 01)
   │             ├── BOM Item 0010 — RM-2001, Qty 2 EA
   │             └── BOM Item 0020 — SFG-3001, Qty 1 EA
   │
   ├── Production Version 0001
   │      ── links ──> Material FG-1000
   │      ── links ──> Routing "RTG-1000" + BOM Header (Usage 1)
   │
   └── Routing "RTG-1000", Counter 1
          Usage: Production, Lot Size 1–9999
          ── assigned to ──> Material FG-1000
          │
          ├── Operation 0010 — Cutting
          │      Work Center WC-CUT-01
          │      Setup 30 min, Machine 45 min, Labor 30 min
          │      ── consumes ──> BOM Item 0010 (RM-2001)
          │
          ├── Operation 0020 — Machining
          │      Work Center WC-MACH-02
          │      Setup 60 min, Machine 120 min, Labor 60 min
          │      ── inspected by ──> Quality Inspection (In-Process)
          │
          ├── Operation 0030 — Assembly
          │      Work Center WC-ASSY-03
          │      Setup 45 min, Machine 90 min, Labor 90 min
          │      ── consumes ──> BOM Item 0020 (SFG-3001)
          │
          └── Operation 0040 — Final Inspection & Packing
                 Work Center WC-PACK-04
                 Setup 15 min, Machine 30 min, Labor 30 min

1.4 Integration with Other Master Data Objects#

The Routing does not stand alone. It is the bridge between the product structure (BOM) and the manufacturing resources (Work Centers), and is activated for execution via the Production Version.

Part 2: PP-Specific Field Details#

2.0 Scope of PP Ownership#

Legend: ◎ = Owner / Critical, ○ = Direct involvement

2.1 Routing Header#

The Routing Header (PLKO) defines the identity, validity scope, and administrative classification of the routing. Getting these fields right at creation time avoids the need for mass updates later.

2.2 Sequences#

Every routing must contain exactly one Standard Sequence (Sequence 0). Parallel and Alternative sequences are optional and serve specific scheduling strategies.

Design principle: For most discrete manufacturing implementations, only the Standard Sequence is required. Parallel sequences add scheduling complexity — model them only if the physical process genuinely requires concurrent operations that must be tracked and confirmed separately.

2.3 Operations#

Operations (PLPO) are the core planning unit within a routing. Each operation represents one manufacturing step, performed at one Work Center, consuming capacity and activity types for scheduling and costing.

2.4 Component Assignment#

Component assignment links BOM items to specific routing operations, controlling exactly when (at which operation confirmation) components are issued from stock. Without explicit assignment, SAP issues all components at order release — which is operationally impractical for multi-stage manufacturing.

What to Read Next#

L1) Big Picture

L2-A) Master Data

L2-B) Transaction