
SIMATIC S7-1500, 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 Siemens 6ES7517-3AP00-0AB0 Central Processing Unit (CPU) is a high-performance module designed for use in industrial automation systems. Part of the SIMATIC S7-1500 series, this CPU offers advanced computing power, extensive communication capabilities, and robust performance for handling complex control tasks. Ideal for demanding applications, it ensures reliability, efficiency, and seamless integration within automation environments.
Specifications
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Product Name: |
Siemens 6ES7517-3AP00-0AB0 |
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Series: |
SIMATIC S7-1500 |
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Processor: |
Advanced multi-core technology |
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Memory: |
8 MB program memory, 32 MB data memory |
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Communication: |
Integrated PROFINET interface with 2 ports |
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PROFIBUS DP interface |
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Support for OPC UA, Ethernet/IP, and Modbus TCP/IP |
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Cycle Time: |
< 1 ns per instruction |
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Operating Temperature: |
-25°C to +60°C |
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Power Supply: |
24 V DC |
Operating principle

The CPU contains the operating system and executes the user program. The user programis located on the SIMATIC memory card and is processed in the work memory of the CPU.The PROFINET interfaces on the CPU allow simultaneous communication with PROFINETdevices, PROFINET controllers, HMI devices, programming devices, other controllers andother systems. CPU 1517-3 PN/DP supports operation as an IO controller and I-device.Similarly to the PROFINET interface, the PROFIBUS interface available on the CPU allowscommunication with other devices. When you use the interface as PROFIBUS DP interface,the CPU on the PROFIBUS DP also assumes the role of a DP master.
IO controller
As an IO controller, CPU 1517-3 PN/DP sends and receives data and signals from theconnected IO devices within a PROFINET IO system. You can operate the CPU with amaximum of 512 IO devices, of which a maximum of 64 may be IRT (Isochronous Realtime)devices.
I-device
In the "I-device" (intelligent IO device) function, CPU 1517-3 PN/DP not only controls its owncentral modules, but also acts as an I-device, exchanging data with a higher-level IOcontroller. CPU 1517-3 PN/DP thus fulfills the role of an intelligent pre-processing unit forsub-processes.
DP master
When used as a DP master, CPU 1517-3 PN/DP exchanges data and signals viaPROFIBUS with the connected DP slaves (for example, the ET 200SP distributed I/Osystem).
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Frequently Asked Questions
Q1: Can this CPU handle multi-axis motion control?
Yes, the Siemens 6ES7517-3AP00-0AB0 supports advanced motion control features, making it suitable for applications like robotics and CNC machinery.
Q2: What software is compatible with this CPU?
The CPU is programmed using Siemens TIA Portal (Totally Integrated Automation Portal), ensuring a user-friendly and integrated development environment.
Q3: Is the 6ES7517-3AP00-0AB0 compatible with older Siemens systems?
Yes, it supports backward compatibility with legacy Siemens systems, enabling seamless upgrades.
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