Siemens Simatic S7-1500F PLC CPU, 20-input, profibus, profinet Input Part number 6ES7511-1FL03-0AB0

Product Overview

The Siemens SIMATIC S7-1500F CPU 1511F-1 PN (SKU: 6ES7511-1FL03-0AB0) is a compact safety CPU for standard and fail-safe automation tasks. It provides 450 KB program work memory and 1.5 MB data memory, and includes a PROFINET IRT interface with an integrated 2-port switch for flexible line and ring topologies. A SIMATIC Memory Card is required for operation.

Key Features

• Integrated safety (F-CPU) for standard + fail-safe applications
• PROFINET IRT interface with 2-port switch (line/ring)
• High performance with 25 ns bit processing
• Compact footprint suitable for space-constrained panels
• SIMATIC Memory Card required (program/data storage)

Technical Specifications

• Product Type: SIMATIC S7-1500F CPU 1511F-1 PN
• Article Number: 6ES7511-1FL03-0AB0
• Work Memory: 450 KB (program)
• Data Memory: 1.5 MB
• Bit Performance: 25 ns
• Interface: 1 × PROFINET IRT, 2-port switch
• Safety: Suitable up to SIL 3 (IEC 61508) / PL e (ISO 13849)
• Storage Medium: SIMATIC Memory Card (required)

Compliance & Certifications

• SIL 3 / PL e capable (Safety Integrated)
• Designed to SIMATIC S7-1500 platform standards

Applications

Ideal for compact machines and cells requiring both standard logic and safety functions—such as packaging, material handling, and general machinery—where high-speed processing, PROFINET connectivity, and integrated Safety are needed in a small CPU.