Siemens 6ES7516-3AN02-0AB0 is a SIMATIC S7-1500 CPU 1516-3 PN/DP designed for demanding standard automation systems that combine PROFINET and PROFIBUS communication. It provides 1 MB of program work memory, 5 MB of data memory, two PROFINET interfaces, and a PROFIBUS interface. The first PROFINET interface supports IRT and includes an integrated two-port switch, while the second provides PROFINET RT connectivity. This model suits controller replacement, network consolidation, and phased modernization projects. Confirm firmware, TIA Portal integration, memory card, interface assignments, addressing, PROFIBUS configuration, and available cabinet space before procurement.
| Manufacturer | Siemens |
|---|---|
| Complete Part Number | 6ES7516-3AN02-0AB0 |
| Product Type | CPU 1516-3 PN/DP Central Processing Unit |
| Series | SIMATIC S7-1500 |
| Model Configuration | PROFINET IRT two-port interface, separate PROFINET RT interface, and PROFIBUS interface |
| Product Condition | NEW |
| Hardware Revision | FS01 |
| Firmware / Software Version | V2.9 |
| Engineering Software | TIA Portal V17 for firmware V2.9; earlier engineering depends on firmware |
| Country of Origin | GERMANY |
| Compatibility | Confirm the complete suffix, project configuration, firmware, memory card and network topology. |
| Warranty | With 1 year warranty |
| Shipping | Worldwide shipping options subject to written quotation. |
This CPU is intended for engineered automation projects in which processing capacity, communication architecture and software compatibility are confirmed from the installed system. Selection should be based on the complete order number rather than the CPU family name alone.
Siemens identifies 6ES7516-3AN02-0AB0 as a spare-part article. Confirm the current lifecycle status, migration path, and supply conditions before committing to a replacement strategy.
Procurement control: Request clear photos of the product label and compare the full suffix with the existing hardware record.
Map both PROFINET networks and the PROFIBUS segment.
Confirm TIA Portal, firmware and memory card requirements.
Check addressing, device names, baud rate and bus termination.
Load and validate the hardware configuration offline.
Commission one communication domain at a time and record diagnostics.
Confirm the complete order number and suffix, both PROFINET interfaces, PROFIBUS requirements where applicable, supply voltage, installed hardware revision, firmware, TIA Portal release, SIMATIC Memory Card, mounting space, network load, original label photos and project backup. For fail-safe CPUs, also verify the safety project, signatures, password handling and validation procedure.
Availability and supply condition vary. Send the complete part number and quantity for confirmation.
Use the exact interface arrangement shown above and verify the installed project before ordering.
Yes. Siemens specifies a SIMATIC Memory Card for this CPU family; confirm the required card and project handling.
Compare the complete suffix, hardware, firmware, engineering software, memory card, network settings and cabinet conditions.
Any lifecycle successor or migration route requires engineering review, project conversion and functional validation.
Yes. Shipping options and documentation are confirmed in the written quotation.
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Each entry is an independent product listing and is not presented as a direct replacement. Confirm the manufacturer, complete part number, revision and compatibility before ordering.
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