The Siemens 6ES7516-3FN01-0AB0, also known as the SIMATIC S7-1500F CPU 1516F-3 PN/DP, is a robust and high-performance central processing unit designed for industrial automation applications. It features a work memory of 1.5 MB for programs and 5 MB for data, ensuring efficient handling of complex tasks. The unit supports three interfaces: PROFINET IRT with a 2-port switch, PROFINET RT, and PROFIBUS, allowing versatile connectivity options. With a processing speed of 10 ns per bit operation, it delivers rapid and precise control. The CPU is engineered for reliability, equipped with reverse polarity protection and a power loss of only 7 W. It includes a range of I/O modules with a maximum of 8,192 modules, offering extensive scalability. The device also supports isochronous mode, enhancing synchronized operations within distributed systems. For engineering, the unit is configurable through STEP 7 TIA Portal from version V17 onwards. It is designed to withstand challenging environments, with operational temperature ranges between 0°C to 60°C and a maximum altitude of 5,000 meters above sea level. The unit weighs approximately 845 grams, and its compact dimensions (70 mm x 147 mm x 129 mm) make it suitable for space-constrained installations.
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| Manufacturer | Siemens |
| Brand | SIMATIC S7 |
| Part Number/Catalog No. | 6ES7516-3FN01-0AB0 |
| Series | S7-1500 |
| Module Type | Fail-safe CPU |
| Replaced by | 6ES7516-3FN02-0AB0 |
| Program Memory | 1.5 MB |
| Data Memory | 5 MB |
| Interfaces | PROFINET IRT, PROFINET RT, PROFIBUS |
| Memory | SIMATIC Memory card |