Siemens SIMATIC S7-300 6ES7317-2FK14-0AB0 CPU 317F-2 PN/DP

Overview

SIEMENS SIMATIC S7-300 · FAIL-SAFE CPU

SIMATIC S7-300 6ES7317-2FK14-0AB0 CPU 317F-2 PN/DP

Official Siemens memory, supply, engineering and communication data for the CPU 317F-2 PN/DP.

At a Glance

Manufacturer	Siemens
Article Number	6ES7317-2FK14-0AB0
Product Type	CPU 317F-2 PN/DP Fail-Safe Controller
Core Function	Executes standard and fail-safe control logic with PROFIBUS DP and PROFINET communication.
Application / Compatible Series	SIMATIC S7-300 safety automation using Distributed Safety and PROFINET/PROFIBUS.

Exact IdentificationMatch the complete 6ES7317-2FK14-0AB0 article number and installed hardware.

Engineering FitSIMATIC S7-300 safety automation using Distributed Safety and PROFINET/PROFIBUS.

Configuration CheckVerify the installed interfaces, accessories and project settings before replacement.

Product Overview

Siemens 6ES7317-2FK14-0AB0 is a SIMATIC S7-300 CPU 317F-2 PN/DP for standard and fail-safe automation. It provides 1.5 MB of work memory, an MPI/DP interface and an Ethernet PROFINET interface with an integrated two-port switch.

The controller requires a SIMATIC Micro Memory Card and is engineered with STEP 7 and Distributed Safety. Replacement and recommissioning must preserve both the standard program and the validated safety configuration.

Ordering focus: Confirm the complete article number, installed hardware revision and system configuration before purchase or installation.

Key Functions

Fail-Safe Program Execution

Runs safety and standard control logic in one S7-300 CPU.

Dual-Network Integration

Connects field systems through MPI/PROFIBUS DP and Ethernet PROFINET.

Isochronous Automation

Supports isochronous operation through the PROFIBUS DP or PROFINET interface.

Official Specifications

Hardware Functional Status	01
Firmware Version	V3.2
Engineering Software	STEP 7 V5.5 or higher; Distributed Safety V5.4 SP4
Work Memory	1.5 MB
Supply Voltage	24 V DC
Permissible Supply Range	20.4 to 28.8 V DC
Rated Current Consumption	750 mA
Typical No-Load Current	150 mA
Typical Inrush Current	4 A
Mains Buffering Time	5 ms
Primary Interface	MPI/DP, 12 Mbit/s
Secondary Interface	Ethernet PROFINET with integrated 2-port switch
Memory Card Requirement	SIMATIC Micro Memory Card required
Isochronous Mode	Via PROFIBUS DP or PROFINET

Official source: Siemens CPU 317F-2 PN/DP technical data sheet. Commercial stock, condition and warranty are seller terms.

Frequently Asked Questions

Which engineering tools are required for 6ES7317-2FK14-0AB0?

Use STEP 7 V5.5 or higher together with Distributed Safety V5.4 SP4 or a compatible validated environment.

Does 6ES7317-2FK14-0AB0 require a memory card?

Yes. A SIMATIC Micro Memory Card is required for operation and project storage.

How should the safety program be handled when replacing 6ES7317-2FK14-0AB0?

Restore the validated safety project, verify signatures and complete the required functional safety tests.

Which networks can connect to 6ES7317-2FK14-0AB0?

Use the MPI/DP interface for MPI or PROFIBUS DP and the two-port Ethernet interface for PROFINET.

What supply range is permitted for 6ES7317-2FK14-0AB0?

Provide 24 V DC within the specified 20.4 to 28.8 V range.

Can 6ES7317-2FK14-0AB0 support synchronized I/O operation?

Yes. Isochronous operation is supported through PROFIBUS DP or PROFINET.

What commissioning evidence should be retained for 6ES7317-2FK14-0AB0?

Retain the hardware configuration, safety validation records, diagnostic buffer and final network test results.

Compatibility & Ordering Notes

Before ordering 6ES7317-2FK14-0AB0: compare the complete article number, hardware version, connected accessories and engineering configuration.

Fail-Safe CPU Replacement Checklist for 6ES7317-2FK14-0AB0

• Back up the standard and fail-safe STEP 7 project.
• Confirm Distributed Safety and firmware compatibility.
• Move the correct Micro Memory Card and revalidate safety functions.

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