SIMATIC S7-1200 Basic Handling (sPTP) Application

The solution allows multiple axes to move together along a predefined motion path so that the tool centre point travels from one position to another in space as a synchronised movement.

This approach is designed for fast handling operations rather than path-perfect contour machining.

Typical Use Cases

This application is ideal for:

• Pick & Place machines
• Material handling systems
• Cartesian robots
• Assembly automation lines
• Packaging and sorting machines

The library is specifically designed for the rapid execution of handling motions, such as transferring a product from one position to another.

Key Technical Concept

Coordinated Axis Movement

Each axis executes its motion independently, but dynamics are automatically adjusted so that all axes start and reach their targets simultaneously.

Path Blending for Smooth Motion

Intermediate points can include a blending radius that allows continuous movement without stopping, improving cycle time.

Flexible Drive Connection

The system supports multiple drive interfaces, including:

• PTO (stepper control)
• Analog drive signals
• PROFINET / PROFIdrive communication.

System Components

Typical hardware used in the example includes:

• SIMATIC S7-1200 CPU (e.g., S7-1217C)
• SINAMICS drives such as S210 or V90
• TIA Portal engineering environment

Engineering Workflow

Implementation follows these main steps:

1️⃣ Import the LAxesGrpCtrl motion library into TIA Portal.
2️⃣ Configure technology objects for each axis.
3️⃣ Define motion paths and interpolation points in data blocks.
4️⃣ Commission axes (Power, Reset, Home).
5️⃣ Execute coordinated movement using the main function block.

Key Benefits

✔ Fast implementation of handling systems
✔ Reduced engineering time using ready-made blocks
✔ Smooth synchronized multi-axis movement
✔ Flexible integration with SINAMICS drives
✔ Ideal for industrial automation and OEM machine builders

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