Product Overview

SIMATIC S7-1500 CPU 1511-1 PN (MLFB: 6ES7511-1AL03-0AB0)
A compact, high-performance central processing unit designed for mid-tier automation tasks. Offers 300 kB program memory and 1.5 MB data memory with ultra-fast 25 ns bit processing—built for responsive and reliable control in SIMATIC S7-1500 systems.
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Technical Specifications

Memory Configuration

Program (work) memory: 300 kB

Data memory: 1.5 MB
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Performance

Processing speed: 25 ns per bit
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Communication Interface

Integrated PROFINET IRT interface with a 2-port switch, enabling ring topology and seamless network integration
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Memory Expansion

Requires use of a SIMATIC Memory Card for program and data storage
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Logistics & Lifecycle

Lifecycle Status: Active (PLM: PM300)
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Standard Lead Time: Ships ex-works in 1 day—ideal for rapid deployment
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Weight & Packaging:

Net weight: 0.381 kg

Packaging dimensions: 15.20 × 14.80 × 4.50 cm
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Origin: Germany
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Product Codes:

EAN: 4047623412458

UPC: 195125370302

HS (Commodity) Code: 85371091
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Engineering Insights

Tuned for Mid-Level Automation
With 300 kB of program memory and low-latency 25 ns processing, this CPU is perfect for applications requiring moderate logic complexity, fast I/O handling, and compact form factor.

Network-Ready Design
The integrated PROFINET IRT interface with dual-port switch simplifies cabling for ring topologies and supports highly synchronized, real-time communication in distributed systems.

Efficient System Scaling
Enables system expansion with up to 31 modules per rack alongside the CPU module, maximizing I/O density and flexibility
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Rapid Availability
A one-day lead time from production ensures timely commissioning and fast response to maintenance or expansion needs.

Robust Build Quality
Engineered and produced in Germany, designed to meet rigorous industrial standards for reliability and longevity.

Suggested Product Page Text

SIMATIC S7-1500 CPU 1511-1 PN (6ES7511-1AL03-0AB0)
A compact yet powerful CPU module within the S7-1500 family, leveraging 300 kB program memory, 1.5 MB data memory, and blazing-fast 25 ns bit performance. Featuring integrated PROFINET IRT communication and a 2-port switch, it offers simplified networking and optimized real-time data flow for mid-complexity automation tasks.

Key Highlights:

High-speed, responsive control (25 ns bit processing)

Program / Data memory: 300 kB / 1.5 MB

Network-ready PROFINET IRT with dual-port switch

Scalable: supports up to 31 I/O modules per rack

Fast shipping (1-day ex-works) and German-manufactured

Technical & Shipping Details:

Active product with quick availability

Compact weight and packaging for efficient logistics

Product codes: EAN 4047623412458; HS 85371091