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6ES7317-2FK14-0AB0

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Built for SIMATIC S7-300 safety automation, Siemens 6ES7317-2FK14-0AB0 is a CPU 317F-2 PN/DP that executes standard and fail-safe control while coordinating PROFIBUS and PROFINET I/O.
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Technical specifications for 6ES7317-2FK14-0AB0

  • Manufacturer:
    Siemens
  • Part Number:
    6ES7317-2FK14-0AB0
  • Product Family:
    Siemens Simatic S7-300
  • Product Type:
    CPU 317F-2 PN/DP Fail-Safe Central Processing Unit
  • Stock:
    1
  • Supply Voltage:
    24 V DC (20.4-28.8 V)
  • Rated Current Consumption:
    750 mA
  • Typical Power Loss:
    4.65 W
  • Integrated Work Memory:
    1,536 KB
  • Retentive Data Block Memory:
    256 KB
  • Load Memory:
    Micro Memory Card required, up to 8 MB
  • Bit Processing Time:
    25 ns
  • X1 Interface:
    Isolated RS-485 for MPI / PROFIBUS DP
  • X1 Transfer Rate:
    Up to 12 Mbit/s
  • DP Slaves as Master:
    Up to 124
  • X2 Interface:
    PROFINET, 2 switched RJ45 ports
  • X2 Ethernet Rate:
    10/100 Mbit/s
  • PROFINET Roles:
    IO Controller and IO Device
  • Diagnostic Buffer:
    500 entries; 100 power-fail-proof
  • Operating Temperature:
    0 to 60 °C
  • Weight:
    0.849 lbs (0.385 kg)
  • Estimated shipping dimensions:
    13.1x14.9x5.3cm
  • Tariff Code:
    85371091
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Bus Roles Memory Flow Diagnostics Engineering

Features:

  • Executes standard and fail-safe programs in one SIMATIC S7-300 CPU.
  • Separates MPI/PROFIBUS DP traffic from switched PROFINET communication.
  • Uses a Micro Memory Card for battery-free program and data retention.
The isolated X1 port can be assigned to MPI or PROFIBUS DP master/slave operation.

Two X2 Ethernet ports form the integrated PROFINET switch and support IO controller and device functions.

Diagnostic messages and retained buffer entries support commissioning across the controller and its connected networks.

The Siemens 6ES7317-2FK14-0AB0 CPU 317F-2 PN/DP Fail-Safe Central Processing Unit may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6ES7317-2FK14-0AB0 CPU 317F-2 PN/DP Manuals,Datasheets,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. All prices are shown in USD.

How the two network paths divide control traffic

  • MPI mode: X1 carries programming, operator-panel, global-data, and S7 communication on the RS-485 path.
  • DP master mode: The same X1 interface controls assigned PROFIBUS slaves and supports synchronized bus operation.
  • DP slave mode: X1 can instead present the CPU as an active or passive PROFIBUS station with transfer-memory areas.
  • PROFINET path: X2 keeps Ethernet services and PROFINET IO on two switched ports independent of the selected X1 role.

Where the project and runtime data are held

  • Work area: Integrated work memory supplies the execution space used by program blocks and runtime data.
  • Load area: The removable MMC carries the load memory rather than relying on an internal battery-backed device.
  • Retention: Selected data blocks remain available in the dedicated retentive portion of work memory.
  • Project transfer: Programming stores the project on the MMC before the CPU uses it for execution.

Commissioning evidence available inside the CPU

  • Event history: The diagnostic buffer records controller events, with a retained portion preserved through power loss.
  • Process messages: Diagnostic message handling reports configured process conditions to connected engineering or operator systems.
  • Program inspection: Block status and breakpoints expose execution behavior during commissioning.
  • Variable checks: Status, control, and forcing functions address configured inputs, outputs, memory bits, timers, counters, and data blocks.

Software boundaries for the controller project

  • STEP 7: The CPU is configured with STEP 7 V5.5 or a later supported release.
  • Safety project: Distributed Safety V5.4 SP4 provides the documented engineering level for the fail-safe program.
  • Languages: LAD, FBD, STL, SCL, CFC, GRAPH, and HiGraph are listed for supported program creation.
  • Program protection: Password protection and S7 block privacy limit access to protected user blocks.
Description
Siemens 6ES7317-2FK14-0AB0 is a CPU 317F-2 PN/DP fail-safe central processing unit for the SIMATIC S7-300 system. It executes the controller program, processes safety-related logic with Distributed Safety, and coordinates local or distributed I/O through its integrated bus interfaces.

At X1, 6ES7317-2FK14-0AB0 uses an isolated RS-485 interface that can operate as MPI, a PROFIBUS DP master, or a PROFIBUS DP slave. X2 follows a different path: its two switched RJ45 ports carry PROFINET IO and open Industrial Ethernet communication, allowing the controller and device roles to operate at the same time.

Program execution uses 1.5 MB of integrated work memory, while the required Micro Memory Card supplies load memory and maintains the program and data without a battery. The MMC path also retains the project after programming, so work memory and removable load memory perform separate parts of the storage process in 6ES7317-2FK14-0AB0.

Commissioning functions on 6ES7317-2FK14-0AB0 include a diagnostic buffer, process diagnostic messages, block status, breakpoints, variable control, and forcing. These functions expose controller and field communication conditions without changing the distinct roles assigned to the MPI/DP and PROFINET interfaces.
Alternative Names
6ES73172FK140AB0 6ES7 317-2FK14-0AB0 6ES7317 2FK14 0AB0 6ES7-317-2FK14-0AB0 Siemens 6ES73172FK140AB0 6ES7317-2FK14-0ABO 6ES73I7-2FK14-0AB0 6ES7317-2FK14-0AB0 CPU 317F-2 PN/DP
Technical notes
Siemens 6ES7317-2FK14-0AB0 combines an isolated MPI/PROFIBUS DP port with a switched PROFINET interface and requires a Micro Memory Card.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Why does Siemens 6ES7317-2FK14-0AB0 require a Micro Memory Card?
Siemens 6ES7317-2FK14-0AB0 uses the Micro Memory Card as removable load memory and for battery-free retention of the program and data; the CPU does not provide an alternative integrated load-memory path.
Can the X1 and X2 connections on Siemens 6ES7317-2FK14-0AB0 be assigned the same network role?
No. On Siemens 6ES7317-2FK14-0AB0, X1 is the isolated RS-485 interface for MPI or PROFIBUS DP, while X2 is the switched Ethernet interface for PROFINET and open IE communication.
Which engineering software must a project use with Siemens 6ES7317-2FK14-0AB0?
A Siemens 6ES7317-2FK14-0AB0 project requires STEP 7 V5.5 or later, and fail-safe engineering uses Distributed Safety V5.4 SP4 as the documented minimum.
Does Siemens 6ES7317-2FK14-0AB0 support PROFINET controller and device operation together?
Yes. Siemens 6ES7317-2FK14-0AB0 can run PROFINET IO controller and IO device functionality simultaneously through X2, subject to the configured connection and I/O limits.
What should be matched before loading an existing S7-300 safety project into Siemens 6ES7317-2FK14-0AB0?
Before loading Siemens 6ES7317-2FK14-0AB0, confirm the complete order number, MMC capacity, STEP 7 and Distributed Safety levels, X1 bus role, and X2 PROFINET configuration against the existing project.

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