SIEMENS 6ES7516-3AN00-0AB0

Siemens SIMATIC S7-1500 PLC CPU 1516-3PN/DP

Description

The Siemens SIMATIC S7-1500 CPU 1516-3PN/DP, part number 6ES7516-3AN00-0AB0, is a high-performance central processing unit for demanding automation tasks. It is part of the advanced S7-1500 controller series, known for its performance, efficiency, and integrated diagnostic capabilities. This CPU is ideal for applications requiring fast signal processing, large program and data memory, and versatile communication options. Although this specific model is obsolete, it remains a valuable component for maintaining or expanding existing systems.

Specifications

• Manufacturer: Siemens
• Product Series: SIMATIC S7-1500
• Type: Central Processing Unit (CPU)
• Model: CPU 1516-3PN/DP
• Part Number (MLFB): 6ES7516-3AN00-0AB0
• Work Memory: 1 MB for program, 5 MB for data
• Interfaces: 1x PROFINET IRT with 2-port switch, 1x PROFINET RT, 1x PROFIBUS
• Bit-processing time: 10 ns
• Requires: SIMATIC Memory Card (not included)

Label Info

• S/N: C-C2UX9640
• HW-Stand: 01
• MAC Address: 00-18-18-1D-4B-05

Application

This CPU is designed for use in a wide range of industrial automation applications, including factory automation, process control, motion control, and complex machinery. Its robust communication capabilities make it suitable for integration into networked production environments.

Country of Origin

Made in Germany.

CO2 Impact

Opting for this pre-owned module instead of a new one prevents the emission of approximately 36 kg of CO2, which is equivalent to the savings from driving a standard car for 180 kilometers.

Availability

This is an obsolete item but available from our stock. Ideal for spare parts or replacements to avoid costly system upgrades. Order now from spareparts2day for expert support and fast delivery.

FAQ

What firmware version is installed on this CPU 1516-3PN/DP, and can it be upgraded?

The firmware version can vary. It can be checked via TIA Portal or the built-in display. Firmware updates are generally possible and can be downloaded from the Siemens Industry Online Support (SIOS) website, provided you have a compatible SIMATIC Memory Card.

Does this CPU require a specific Siemens SIMATIC Memory Card to operate, and is one included?

Yes, all S7-1500 CPUs require a SIMATIC Memory Card (SMC) to operate, as they do not have an internal load memory. The card stores the program, data, and configuration. A memory card is not included with this unit and must be purchased separately.

Is this CPU 6ES7516-3AN00-0AB0 a direct replacement for other S7-1500 CPUs, and what are the key considerations?

This CPU is a direct replacement for the same part number. When replacing a different CPU model, you must check the resource requirements (memory, I/O, communication) of your project in TIA Portal to ensure compatibility. A project migration may be necessary.

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Last Update: Friday, March 13, 2026