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Siemens 6ES7516-3AP03-0AB0 Central Processing Unit

£4,907.94

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  • 6 ns Instruction Speed
  • PROFINET IRT + RT + PROFIBUS Interfaces
  • 2 MB Program / 7.5 MB Data Memory
  • SIMATIC Memory Card Required
  • Ideal for Complex, Multi-Network Automation
  • RoHS & REACH Compliant
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SKU: 6ES7516-3AP03-0AB0 Category: Tag: Brand:
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Siemens 6ES7516-3AP03-0AB0 Central Processing Unit

6ES75163AP030AB0 – The CPU 1516-3 PN/DP delivers high-speed automation performance with 2 MB program memory, 7.5 MB data memory, and 6 ns instruction execution. Includes integrated PROFINET IRT, PROFINET RT, and PROFIBUS interfaces for flexible, real-time connectivity. SIMATIC Memory Card required for operation.


Technical Specifications

  • Model: 6ES7516-3AP03-0AB0 Siemens
  • Series: SIMATIC S7-1500
  • CPU Type: CPU 1516-3 PN/DP
  • Program Memory: 2 MB
  • Data Memory: 7.5 MB
  • Instruction Execution Speed: 6 ns per bit operation
  • Interface 1: PROFINET IRT with integrated 2-port switch
  • Interface 2: PROFINET RT
  • Interface 3: PROFIBUS
  • Memory Card Requirement: Yes – SIMATIC Memory Card (not included)
  • Mounting: DIN rail
  • Dimensions (HxWxD): 155 × 158 × 80 mm
  • Net Weight: 0.524 kg

Function & Application

Purpose: The 6ES7516-3AP03-0AB0 is a versatile CPU for advanced automation environments requiring real-time performance, redundancy, and multiple protocol support. It’s ideal for applications that demand high data throughput, multi-network control, and complex logic processing.

Typical Applications:

  • High-performance machine automation
  • Multi-network production lines
  • Hybrid PROFINET/PROFIBUS installations
  • Manufacturing with distributed I/O and drives
  • Data-intensive process control systems

Performance & Features

  • Triple Communication Interfaces. Integrated IRT, RT, and PROFIBUS
  • Ultra-Fast Processing. 6 ns instruction execution
  • Expanded Memory. 2 MB program + 7.5 MB data
  • Real-Time Capability. Optimised for motion and time-critical tasks
  • Modular Integration. Full compatibility with S7-1500 series
  • SIMATIC Memory Support. Range of capacities for application flexibility

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Compliance & Classification

  • RoHS Compliance: Since 24.11.2022
  • REACH Substances:
    • Lead (CAS 7439-92-1) > 0.1%
    • Lead monoxide (CAS 1317-36-8) > 0.1%
    • 6,6′-di-tert-butyl-2,2′-methylenedi-p-cresol > 0.1%
    • Tris(α,α-dimethylbenzyl) phosphate (CAS 80-43-3) > 0.1%
  • SCIP Number: faf7f631-1e04-454c-ad30-30625564bacb
  • Commodity Code: 85371091
  • Catalog ID: ST73
  • Product Group: 4500
  • Group Code: R132
  • Product Class: A – Returnable stock item
  • Country of Origin: Germany
  • EAN: 4047623411604
  • UPC: 195125383883

Key Features & Benefits:

✅ 6 ns Instruction Speed

✅ PROFINET IRT + RT + PROFIBUS Interfaces

✅ 2 MB Program / 7.5 MB Data Memory

✅ SIMATIC Memory Card Required

✅ Ideal for Complex, Multi-Network Automation

✅ RoHS & REACH Compliant


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Need support choosing your S7-1500 CPU, memory options, or configuring multi-protocol automation networks? Contact our automation team today.

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Weight 2.5 kg

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Siemens is a global leader in industrial automation, drive technology, and electrical control systems. Siemens products are known for exceptional reliability, advanced engineering, and seamless integration across automation and motor control applications.


At Drive Outlet Megastore, we stock a wide range of Siemens automation products including SINAMICS inverter drives, SIMATIC PLC controllers, HMIs, power supplies, and automation components. Our selection includes both current and legacy Siemens models, ensuring compatibility with existing systems and new installations.


Siemens products are commonly used in manufacturing, conveyor systems, robotics, packaging machinery, and industrial production lines. Their advanced control capabilities, robust construction, and long service life make them a trusted choice for industrial automation worldwide.


We supply Siemens products with fast delivery and competitive pricing, helping minimise downtime and maintain reliable system performance. If you’re unsure which Siemens product is suitable for your application, our technical team can help you identify and select the correct model.

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