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CPU 1517-3 PN/DP, Central processing unit with work memory
2 MB for Program and 8 MB for data, 1st interface: PROFINET IRT with 2-port
switch, 2nd interface: PROFINET RT, 3rd interface: PROFIBUS, 2 ns bit
performance, SIMATIC Memory Card required
The 6ES7517-3AP00-0AB0 is a CPU 1517-3 PN/DP Central Processing Unit within the SIMATIC S7-1500 Advanced Controller series. Built for large-scale industrial automation applications, this controller provides 2 ns bit processing speeds along with 2 MB of program memory, 8 MB of data memory, and multiple communication interfaces for machine builders and system integrators.
A PROFINET IRT (Isochronous Real-Time) interface equipped with an integrated 2-port switch
A built-in PROFIBUS DP interface, providing backward compatibility to integrate legacy field devices, actuators, or third-party drives
An independent PROFINET RT interface with one Ethernet port, used for plant-level integration, cross-network communication, or connections with SCADA, HMI, and IT systems
The CPU 1517-3 PN/DP is equipped with a hardware processor that achieves a bit execution speed of 2 ns (nanoseconds), ensuring microsecond-level, deterministic control system cycles even when handling tens of thousands of complex logic interlocks. To accommodate large volumes of code and massive data exchange, the CPU utilizes a high-capacity, dual-channel isolated memory architecture, featuring 2 MB of program work memory and 8 MB of data work memory.
This independent memory allocation mechanism eliminates mutual interference between program execution and dynamic data exchange, accelerating the execution efficiency of PID closed-loop control algorithms and complex mathematical calculations. An integrated high-resolution color LCD screen on the front of the CPU allows for direct viewing of system diagnostic information and the diagnostic buffer, configuration or modification of IP addresses, and verification of the current CPU firmware and operating status right at the control cabinet, without needing a connection to a programming PC.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Siemens 6ES7517-3AP00-0AB0 Central processing unit Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Large Metallurgy & Steel
Managing multi-stand dynamic hydraulic screw-down systems and synchronous roller speeds using the 2 ns bit performance to ensure uniform steel thickness.
Petrochemical Processing
Processing thousands of continuous PID analog loops for temperature and pressure, isolating field networks from plant SCADA systems using the separate PROFINET interfaces.
Thermal Power
Running massive logic interlocks for coal handling, ash handling, and water treatment, communicating with centralized DCS frameworks via native OPC UA.
Pulp & Paper Production
Synchronizing tension controls and section drive speeds across multiple drying and pressing rollers to prevent paper snapping at ultra-high speeds.
Air Separation Utilities
Managing complex thermal exchange logic, gas purity monitoring analyzers, and continuous valve sequences over multi-layer PROFIBUS and PROFINET networks.
Semiconductor Fabrication
Directing large fleets of Overhead Hoist Transports (OHT) in real-time through microsecond-level PROFINET IRT synchronization.
When operating the 6ES7517-3AP00-0AB0, it is strictly forbidden to remove the SIMATIC Memory Card (SMC) while powered on, and a card with a capacity of 24 MB or higher must be paired to accommodate its large 10 MB work memory. You must strictly isolate the 1st interface from the 2nd interface physically to prevent cross-interference between field I/O and plant network traffic, and the IRT network wiring must precisely match the physical topology configured in the TIA Portal.
Furthermore, when utilizing the 3rd PROFIBUS interface, ensure the terminating resistors at both ends of the bus segment are switched to "ON", and maintain adequate cabinet clearance for heat dissipation as multi-axis motion control and high-frequency OPC UA communication generate substantial heat. Before commissioning, be sure to activate the built-in Security Integrated features and properly manage security certificates.
The module executes bit instructions at 2 ns with a 10 MB work memory split into 2 MB for program and 8 MB for data. It routes networks through three independent interfaces—PROFINET IRT, PROFINET RT, and PROFIBUS DP—while supporting multi-axis motion control, a front diagnostic screen, and native OPC UA connectivity.
It is a high-end central processing unit (CPU 1517-3 PN/DP) from the Siemens SIMATIC S7-1500 series.
What is the memory capacity of the 6ES7517-3AP00-0AB0?
It features a total of 10 MB integrated work memory, with 2 MB strictly allocated for the user program (code) and 8 MB independently allocated for global and instance data.
Which physical communication interfaces does the 6ES7517-3AP00-0AB0 feature?
It integrates 3 independent communication interfaces: the 1st is PROFINET IRT with a 2-port switch, the 2nd is an independent PROFINET RT interface, and the 3rd is a standard PROFIBUS DP interface.
Does the 6ES7517-3AP00-0AB0 require a memory card to operate?
Yes, it strictly requires a dedicated Siemens SIMATIC Memory Card (SMC) to boot and operate, as the project program and configuration data are stored entirely on this card.
How do you correctly install and deploy the 6ES7517-3AP00-0AB0 hardware?
The module must be snapped onto a dedicated S7-1500 DIN rail, hooked up to the adjacent I/O modules via the included U-shaped backplane connector, and connected to an appropriate power module (such as a PM or PS module) on its left.
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Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.
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