Description
Siemens 6ES7516-3FN01-0AB0 – SIMATIC S7-1500F CPU 1516F-3 PN/DP Controller Module
Product Overview
The 6ES7516-3FN01-0AB0 is a high-performance fail-safe CPU module belonging to Siemens SIMATIC S7-1500F series, model CPU 1516F-3 PN/DP, designed for advanced safety-oriented industrial automation and process control systems. Equipped with triple communication interfaces and powerful on-board memory, this controller delivers ultra-fast processing speed and integrated safety functions to meet SIL 3 safety standards. The 6ES7516-3FN01-0AB0 solves complex control logic operation, high-speed data exchange, and system safety protection demands in large-scale automated production lines, ensuring stable, secure, and efficient operation of distributed industrial control systems.
Technical Specifications
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Brand: Siemens
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Model:6ES7516-3FN01-0AB0
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Warranty: One Year
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Condition: 100% New & Original
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Product Type: Fail-safe PLC Central Processing Unit
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Product Series: SIMATIC S7-1500F
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Processing Speed: <10 ns per binary instruction, ultra-high-speed logic processing
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Work Memory: 1.5 MB program memory, 5 MB data memory
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Communication Interfaces: 1 × PROFINET IRT (2-port switch), 1 × PROFINET RT, 1 × PROFIBUS DP
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Safety Level: Compliant with SIL 3 safety standard for industrial fail-safe control
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Engineering Software: Compatible with TIA Portal V13 SP1 Update 4 and higher versions
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External Storage: Requires SIMATIC memory card for data logging and program storage
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Max Expansion Capacity: Supports up to 32 modules in single-layer configuration
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Operating Voltage: 24V DC industrial power supply
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Protection Grade: IP20
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Operating Temperature: 0°C to +60°C industrial range
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Dimensions (H×D): 147 mm × 129 mm
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Weight: Approximately 845g
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Core Functions: Integrated system diagnosis, cycle-time monitoring, read/write protection, fail-safe program operation
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Certifications: CE, UL and global industrial safety certifications

Application Scenarios
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Process Industry Safety Control Systems: The 6ES7516-3FN01-0AB0 is widely deployed in chemical, pharmaceutical, and petrochemical process automation. Its SIL 3 fail-safe function ensures reliable safety interlock control, effectively preventing equipment failure and safety accidents in high-risk process production environments.
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Large-Scale Factory Automation Lines: Suitable for large assembly lines, automated sorting systems, and intelligent manufacturing workshops. Multi-interface hybrid communication supports seamless connection of PROFINET and PROFIBUS field devices, realizing high-speed synchronous control of multi-axis equipment and centralized data management.
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Power & Energy Automation: Applied in power plant auxiliary control, new energy equipment control and substation automation systems. Ultra-fast processing capability and comprehensive diagnostic functions improve the real-time performance and operational reliability of power monitoring and automatic control loops.








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