Description
The Siemens 6ES7317-2EK14-0AB0 is a high-performance central processing unit designed for the SIMATIC S7-300 PLC platform. Featuring a large 1 MB work memory and dual integrated communication interfaces—one combined MPI/Profibus DP port and one dual-port PROFINET interface—this controller handles plants with extensive program structures and demanding distributed I/O requirements.
Commercial Availability and Global Shipping Options
- Condition: New Original (Factory Sealed) / Refurbished (Tested)
- Warranty: 12-month complete depot warranty
- Availability: In stock at global distribution centers
- Lead Time: Dispatches within 1 to 2 business days
Pricing Note: The listed price serves as an initial market reference point. Actual procurement costs vary based on component availability, order volume, and active market conditions. Reach out to our sales team to request a formal binding quote.
| Parameter | Value |
| Work Memory | 1 MB (integrated, non-volatile) |
| Load Memory | Up to 8 MB via Micro Memory Card (MMC) |
| Bit Execution Time | 0.025 µs |
| Interface 1 | MPI / Profibus DP (up to 12 Mbps) |
| Interface 2 | PROFINET with 2-port switch (RJ45) |
| Supported Protocols | Profinet IO, Profibus DP, TCP/IP, Open IE |
| Slot Requirement | 40 mm width |
Field Application and Architecture
Where do automation teams typically deploy this controller? On a recent automotive assembly line project, we utilized the 6ES7317-2EK14-0AB0 to coordinate over 40 distributed Profinet IO devices while simultaneously communicating with an older Profibus DP motor control center. The processing speed is exceptionally fast, resolving 1,000 bit instructions in 25 microseconds—though you must size your MMC memory card properly to store comprehensive symbol tables and block comments.
[ STEP 7 Engineering Workplace ]
|
( PROFINET / Ethernet )
|
+-------------------------V-------------------------+
| 6ES7317-2EK14-0AB0 CPU |
+---------------------------------------------------+
| |
( Profibus DP ) ( PROFINET IO )
| |
[ ET 200M Slave Nodes ] [ Remote I/O & VFDs ] Don’t underestimate the layout of the dual-port PROFINET interface on the bottom face. It functions as an embedded switch, letting you daisy-chain lines without adding external network hardware. Well, technically it supports up to 128 Profinet IO devices, but only if you balance your communication cycle load inside the CPU configuration parameters. If you experience unexpected cyclic bus timeouts, verify your network update time settings—the default 2 ms setting can choke when cascading through numerous managed switches.
International Trade and Customs Compliance
Moving advanced automation controllers across international borders requires rigorous compliance with export regimes. The export control classification number (ECCN) for this module is 5A991, which permits shipment to most global manufacturing centers without a specific Department of Commerce export license, provided standard denied-party screening is clear.
Our logistics infrastructure operates routinely under EXW (Ex Works), FCA (Free Carrier), and CPT (Carriage Paid To) Incoterms. For urgent plant shutdown situations, express air routing via DHL, FedEx, or UPS ensures the controller reaches your facility within 48 to 72 hours. We supply comprehensive export documentation—including a clean commercial invoice, detailed packing lists with precise metric weights, and the correct global harmonized tariff classification code (HS Code: 85371091) to guarantee smooth import customs clearance. For international procurement contracts, we accept verified Letters of Credit (L/C) or secure wire transfers (T/T).
Frequently Asked Questions
Can I run this CPU without a Siemens Micro Memory Card (MMC)?
No. The 6ES7317-2EK14-0AB0 strictly requires a valid Siemens MMC (such as the 6ES7953 series) to hold the operating system program and project configuration. The CPU will not transition out of STOP mode without it.
What is the maximum firmware version supported by this specific hardware block?
This V3.3 hardware platform supports up to firmware version 3.2.x. If your project mandates specific firmware functionalities introduced in newer generation S7-1500 systems, a complete hardware migration is required.
