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siemens 6ES7317-2AJ10-0AB0 CPU 317-2DP Central processing unit

Siemens 6ES73172AJ100AB0 S7-300 High-Performance CPU 317-2 PN/DP Controller is designed

for complex, medium to large-scale automation tasks. It solves the pain points of traditional PLCs,

such as in sufficient processing power, limited communication interfaces, and difficulties in coor-

dinating multiple devices and handling large data volumes. With integrated PROFINET and

PROFIBUS-DP interfaces, it is the core engine for enabling factory digitization and building effi-

cient, centralized control systems.

A.Primary Application Fields:

1. Automotive Manufacturing: For logic control and data acquisition in welding, assembly,

painting production lines.

2. Packaging Machinery : Controlling precise synchronization and coordination of high-speed

filling, labeling, and palletizing equipment.

3. Chemical Process Control : Processing analog signals for PID regulation and safety interlocks

of temperature, pressure, and flow.

4. Material Handling Systems : Coordinating efficient operation and scheduling among multiple

conveyors, stacker cranes, and AGVs.

5. Water Treatment Plants : Acting as the master station, connecting remote I/O stations via

PROFIBUS-DP to control pumps/valves and monitor plant-wide equipment status.

B.Comparison & Advantages

Performance Positioning Comparison

CPU 315-2 PN/DP 6ES7315-2EH14-0AB0 (Economical & Practical): Focused on medium-scale projects, it provides basic PROFINET functionality and 512 KB of memory, making it a cost-effective choice for controlling single machines or small production lines.

CPU 317-2 PN/DP (This Product – The Balanced Performance Core): Positioned for medium-to-large, complex projects, it achieves the optimal balance between performance and cost with its 2 MB of large memory and enhanced PROFINET interface. It is the ideal core for applications such as multi-line monitoring and multi-axis motion control.

CPU 319-3 PN/DP 6ES7318-3EL01-0AB0 (Top-Tier High-Performance): Designed for ultra-large, high-performance projects, it offers 4 MB of memory and dual PROFINET interfaces, specifically engineered for the most demanding tasks like plant-wide automation and redundant systems.

You have below choice:

a: Choose CPU 315-2 PN/DP if your needs involve controlling a single device or a small production line and budget is a primary concern.

b: Choose CPU 317-2 PN/DP (This Product) if your project involves multiple production lines, requires handling large volumes of data or multi-axis coordinated control, and you seek the best return on performance investment.

c: Choose CPU 319-3 PN/DP if you are building large-scale production lines, plant-wide automation systems, or require redundant configurations, and have the most stringent demands for processing performance.

C. How to Identify a Reliable, High-Quality Siemens PLC Supplier

Actual Product Photos: We provide high-resolution, multi-angle photos of the actual product, including detailed shots of the module and its label (clearly showing order number and serial number), not just official renderings.

Transparent Stock Information: The page clearly indicates "In Stock" and specifies warehouse location, ensuring fast delivery.

Clear Service Commitment: We explicitly state 100% genuine/original products and provide a 12-month warranty ).

D. Is this CPU 317-2 PN/DP brand new and original? Is it in stock?

We guarantee that all Siemens PLC products we sell are 100% brand new and original. This model is a common stock item and is currently available for immediate shipment.

E. Why choose the 317-2 over the 315-2? What are its main advantages?

Its main advantages lie in its larger memory (2MB) and stronger processing power. If your project requires handling more I/O points (digital/analog), running more complex control programs (e.g., structured text, heavy data processing), or connecting more drives and intelligent devices, the CPU 317-2 ensures smoother system operation, faster response times, and provides ample room for future expansion.

F. Which programming software does this CPU support? Do user need to buy an additional communication card?

It is programmed and configured using Siemens standard STEP 7 Professional (TIA Portal or classic STEP 7). Its integrated PROFINET interface supports Ethernet programming; you only need a standard Ethernet cable to connect your PC for downloading and monitoring, eliminating the need for an additional MPI/DP communication card, which greatly facilitates commissioning and maintenance.

G. How can I verify the product I receive is genuine?

1.  Visual Inspection: Genuine modules feature excellent craftsmanship, clear printing, uniform coloring, and tight-fitting connectors.

2.  Label Verification: Check that the order number (6ES7317-2AJ10-0AB0) and serial number (S/N) on the module label are clear and unique.

3.  Functional Test: Connect using official Siemens software; it should correctly read the module type, serial number, and firmware information.

4.  Official Channels: If in doubt, consult Siemens  directly using your purchase proof and product serial number.

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