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PRODUCT DESCRIPTION
One-megabyte program processing with two PROFIBUS-capable interfaces
Siemens 6ES7317-2AK14-0AB0 is a SIMATIC S7-300 CPU 317-2 DP with 1 MB of working memory. Its first RS 485 interface supports MPI or PROFIBUS DP, while the second provides PROFIBUS DP master or slave communication.
The processor requires a SIMATIC Micro Memory Card and provides battery-free program and data backup. Larger addressing resources, 32 communication connections and a five-hundred-entry diagnostic buffer support expanded control configurations, with separate limits governing retained data and the functions available on each interface.
The processor requires a SIMATIC Micro Memory Card and provides battery-free program and data backup. Larger addressing resources, 32 communication connections and a five-hundred-entry diagnostic buffer support expanded control configurations, with separate limits governing retained data and the functions available on each interface.
BEFORE YOU BUY
Confirm the complete installed configuration
ACTUAL APPLICATIONS
Where 6ES7317-2AK14-0AB0 Fits Across Industrial Sectors
Industrial uses span production, processing and utility operations, subject to compatible configuration and the applicable engineering requirements.
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01 · METALS PRODUCTION
Industrial Metal Rolling and Aluminum Material Production
Industrial metal processing and rolling for commercial material supply.Aluminum sheet manufacturing and finishing for downstream production needs. -
02 · WATER & WASTEWATER
Water Supply Services and Municipal Wastewater Treatment
Public drinking water production for municipal and commercial distribution.Wastewater treatment and processing for municipal and industrial services. -
03 · PLASTICS PROCESSING
Plastics Manufacturing for Packaging and Industrial Goods
Extrusion and molding of plastics for manufactured product supply.Processing plastic materials for commercial packaging and industrial goods.
Technical specifications for 6ES7317-2AK14-0AB0
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Product Model6ES7317-2AK14-0AB0
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Product ParametersDual Interface Central Processor
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ManufacturerSiemens
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Working memory1,024 KB integrated; not expandable
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Retentive data256 KB maximum total
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Load memoryRequired SIMATIC MMC; 8 MB maximum
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Memory backupMaintenance-free MMC backup without battery
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Bit-operation processing0.025 microsecond minimum
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S7 counters and timers512 counters and 512 timers
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I/O address area8,192 bytes inputs and 8,192 bytes outputs
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Process imageUp to 8,192 bytes per direction; 256 bytes default
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Rack configurationFour racks maximum; eight modules per rack
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First interfaceIsolated RS 485; MPI or DP master/slave; up to 12 Mbit/s
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Second interfaceIsolated RS 485 DP master/slave; up to 12 Mbit/s; no MPI
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Communication connections32 total
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Diagnostic buffer500 entries; last 100 retained across power failure
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Supply voltage24 V DC nominal; 19.2-28.8 V permitted
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Typical power loss4.5 W
View all additional
SYSTEM & REPLACEMENT CHECK
Information needed before ordering
Three direct checks to secure your system integration and minimize ordering risks.
Information
System integration
Replacement check
Manuals & support
SIMATIC S7-300 CPU 317-2 DP
Expanded processing with separately configured MPI and DP ports
The AK14 CPU combines a 1 MB work-memory resource with MMC load storage. Its 256 KB retained-data budget is a separate limit and should be checked against the project data that must survive a power interruption.
The first interface can serve MPI or PROFIBUS DP, while the second is dedicated to DP functionality. Interface-specific services, including the second port's isochronous master mode, must be assigned deliberately in the hardware configuration.
Compatible modules and distributed I/O use the documented address resources. Connection allocation and diagnostic-buffer retention remain defined limits even where the available program and network capacity exceeds smaller S7-300 CPUs.
Features:
- Separate MPI/DP and DP roles
- Expanded I/O address resources
- Defined retention and diagnostics
The Siemens 6ES7317-2AK14-0AB0 requires the documented hardware configuration, installation conditions and interface arrangement to be verified before system integration and commissioning.
INTERCHANGEABILITY
Verify the complete replacement identity before commissioning
Verify the full AK14 part number and the unit's hardware and firmware before comparing replacements. CPU317-2 DP and PN/DP models do not have interchangeable interface descriptions merely because their processor family is similar.
Back up the STEP 7 project and MMC, then compare the configured port functions, DP partners, addresses, retained data and connection use. Check that the engineering installation includes the required support for the intended CPU.
Verify the removable DC plug, correct polarity and applicable installation checks before controlled recommissioning. The historical reference proves the documented AK14 characteristics, not current inventory or automatic successor compatibility.
Features:
- Exact AK14 suffix review
- Network and project comparison
- Controlled MMC recommissioning
The Siemens 6ES7317-2AK14-0AB0 requires replacement verification based on its complete order number, installed hardware, signal configuration and project documentation.
DOCUMENTATION STATUS
Browse the Manuals, Datasheets, Official Documents, Links
Important Notice: Official documents are provided through manufacturer links. Accessories, manuals, cables, calibration data, software, certificates, and other items are not included with this equipment unless listed in the stock item description.Features:
- Exact-model manufacturer data and relevant original manual pages
- Original power-connection drawing with MMC handling and initial-start precautions
- Accessories and supplied documentation follow the written quotation
Documentation for the Siemens 6ES7317-2AK14-0AB0 includes an independent technical summary and selected original manufacturer pages; check the applicable document edition against the delivered product and approved installation documentation.
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Important notice
Manuals, software, firmware, cables, calibration data and accessories are included only when listed in the quotation. AMIKON is an independent supplier and is not affiliated with or authorised by the manufacturer.
This content has been produced using multiple sources. Takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
BUYER INFORMATION
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Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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Shipping & delivery
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DispatchEligible stock: same / next day
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CarriersDHL, FedEx or UPS
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Ship fromXiamen, China
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Packed sizeConfirm final packed dimensions
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Shipping weightConfirm final packed weight
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Payment & customs
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PaymentBank transfer (T/T)
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CurrenciesUSD · EUR · GBP · RMB
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Credit cardsNot accepted
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HS reference8537101190
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OriginConfirm supplied-unit origin
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Warranty & returns
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Warranty12 months from AMIKON
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InspectionLabel, condition and packing checks
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ReturnsPrior RMA authorisation required
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CompatibilityConfirm before order
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OEM warrantyDoes not apply
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Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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Part checked
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Condition checked
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Dedicated account manager · 15+ years
FREQUENTLY ASKED QUESTIONS
Questions buyers ask about 6ES7317-2AK14-0AB0
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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Do both interfaces support MPI?
No. The first isolated RS 485 interface supports MPI or PROFIBUS DP. The second is a PROFIBUS DP master/slave interface and does not provide MPI functionality. -
Which interface supports isochronous DP master operation?
The second DP interface is documented with isochronous mode using OB61. The first interface's DP master section marks isochronous mode as unavailable, so the two ports must not be treated as functionally identical. -
Does the entire 1 MB remain retentive?
No. The CPU has 1,024 KB of working memory, but the data sheet specifies a total retentive-data ceiling of 256 KB. Check retained-data usage separately from total program and data size. -
Is the full diagnostic buffer retained after power failure?
No. The diagnostic buffer contains up to 500 entries, with only the last 100 retained across power failure. RUN readout limits are a separate configurable resource. -
Which STEP 7 support is listed for AK14?
The exact data sheet lists STEP7 V5.5 SP1 or STEP7 V5.2 SP1 and higher with HSP202. Confirm that the engineering station supports the actual CPU firmware before project transfer. -
Can the MMC be removed while the CPU is running?
Siemens says not to remove the MMC in RUN mode. Use the documented STOP or power-off procedure and ensure no programming-device write operation is active, because removal during writing can corrupt card data.
READY TO VERIFY YOUR PART?
Get a 6ES7317-2AK14-0AB0 quote with price, lead time and revision check.
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