Siemens 6ES7516-3AP03-0AB0 Programmable Logic Controller
The Siemens 6ES7516-3AP03-0AB0 Programmable Logic Controller is a high-performance CPU from the SIMATIC S7-1500 series built for precision-driven industrial automation applications. It features a CPU 1516-3 PN/DP with 2 MB program memory and 7.5 MB data memory, achieving 6 ns bit-performance for ultra-fast control response. Equipped with PROFINET IRT, PROFINET RT, and PROFIBUS interfaces, it enables real-time communication across distributed automation networks. Manufactured by Siemens AG in Germany, the 6ES7516-3AP03-0AB0 provides efficient processing, network scalability, and reliable system integration for OEMs and engineers in India working on high-speed manufacturing, robotics, and process control applications.

| Brand/Manufacturer | Siemens |
| Product Type | Programmable Logic Controller |
| Product | 6ES7516-3AP03-0AB0 |
| Availability | InStock |
Technical Specifications of Siemens 6ES7516-3AP03-0AB0
| Specification | Value |
|---|---|
| Product Description | SIMATIC S7-1500, CPU 1516-3 PN/DP, central processing unit with 2 MB work memory for program and 7.5 MB for data 1st interface: PROFINET IRT with 2-port switch, 2nd interface: PROFINET RT, 3rd interface: PROFIBUS, 6 ns bit performance, SIMATIC Memory Card required - - approvals and certificates according to entry 109817466 at support.industry.siemens.com to be considered! - - |
| Product family | CPU 1516-3 PN/DP |
| Product Lifecycle (PLM) | PM300:Active Product |
| Net Weight (kg) | 0,524 Kg |
| Packaging Dimension | 15,50 x 15,80 x 8,00 |
| Package size unit of measure | CM |
| Country of origin | Germany |
The Siemens 6ES7516-3AP03-0AB0 Programmable Logic Controller from the SIMATIC S7-1500 series is a CPU 1516-3 PN/DP module engineered for large-scale industrial automation systems. It offers 2 MB of program memory and 7.5 MB of data storage with 6 ns bit-performance, ensuring high-speed logic execution and precise process control. Its three built-in interfaces — PROFINET IRT, PROFINET RT, and PROFIBUS — support real-time communication and easy network expansion. Weighing 0.524 kg and compact in size (15.5 × 15.8 × 8.0 cm), the 6ES7516-3AP03-0AB0 reflects Siemens’ engineering excellence for durability and precision under continuous operation.
In the context of industrial automation in India, the Siemens 6ES7516-3AP03-0AB0 PLC is a preferred choice for machine builders and system integrators handling automotive production lines, robotic cells, and process plants. Its multi-interface design enables seamless integration with HMIs, servo drives, and distributed I/O modules through PROFINET and PROFIBUS communication. The controller delivers deterministic cycle times and energy-efficient operation, making it suitable for applications that demand speed and data integrity. Engineers in packaging, pharmaceutical, and automotive industries deploy this model for real-time machine control and high-throughput automation.
With the global reputation of Siemens AG backing its design, the 6ES7516-3AP03-0AB0 embodies the brand’s commitment to quality and innovation in automation technology. Every controller undergoes strict ISO-certified manufacturing and testing for vibration, thermal stability, and EMC compliance. The Siemens PLC range is known for firmware reliability, long-term support, and compatibility with future automation standards. Engineers and OEMs worldwide recognize Siemens as a trusted automation partner offering comprehensive technical documentation and after-sales support for mission-critical projects.
Within the SIMATIC S7-1500 series, engineers can also consider the Siemens 6ES7517-3AP00-0AB0 CPU 1517-3 PN/DP, which offers increased work memory and network redundancy for large-scale process automation. While the 6ES7516-3AP03-0AB0 is optimized for speed and versatility in mid-to-high-level control systems, the 6ES7517-3AP00-0AB0 caters to applications requiring higher data capacity and advanced communication options. Both controllers integrate seamlessly within the Siemens Programmable Logic Controller, forming a semantic and technical bridge across the Siemens automation ecosystem.
The Siemens 6ES7516-3AP03-0AB0 Programmable Logic Controller is a fast, reliable, and scalable solution for modern automation needs. Its 6 ns processing speed, multi-protocol support, and robust construction ensure optimal control in demanding production environments. Engineers across India trust this model for consistent performance and long-term operational efficiency. Backed by Siemens’ global support and IndMALL’s verified vendor network, the 6ES7516-3AP03-0AB0 remains a preferred choice for industrial automation and smart manufacturing projects.



