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

The Siemens SIMATIC S7-300 CPU 317F-2 PN/DP (6ES7317-2FK14-0AB0) is a fail-safe programmable logic controller designed for industrial automation systems that require standard control and safety-related functions. It combines high-performance CPU processing with PROFINET and PROFIBUS DP communication for integration into compatible industrial networks.

With 1.5 MB of integrated work memory, this CPU supports demanding control programs and distributed automation applications. Its first interface supports MPI and PROFIBUS DP communication at up to 12 Mbps, while its second interface provides PROFINET Ethernet connectivity with an integrated two-port switch.

When engineered with compatible Siemens safety software and fail-safe I/O, the CPU can support standard and safety-related control tasks in manufacturing and industrial automation environments.

Technical Specifications

• Brand: Siemens

• Product Family: SIMATIC S7-300

• Product Type: CPU 317F-2 PN/DP Fail-Safe CPU

• Part Number: 6ES7317-2FK14-0AB0

• Integrated Work Memory: 1.5 MB (1,536 KB)

• First Communication Interface: MPI/PROFIBUS DP, up to 12 Mbps

• Second Communication Interface: PROFINET Ethernet

• Ethernet Feature: Integrated two-port switch

• Rated Supply Voltage: 24 V DC

• Permissible Supply Voltage: 20.4–28.8 V DC

• Rated Current Consumption: 750 mA

• Typical No-Load Current: 150 mA

• Firmware Version: V3.2

• Hardware Functional Status: 01

• Memory Card: Siemens Micro Memory Card (MMC) required

• Maximum MMC Capacity: 8 MB

• Engineering Software: STEP 7 V5.5 or later and Distributed Safety V5.4 SP4

• Dimensions: Approximately 40 × 125 × 130 mm

• Product Status: Listed by Siemens as a spare part; confirm current availability

Key Features

• Fail-safe CPU for compatible industrial safety applications.

• 1.5 MB of integrated work memory.

• MPI and PROFIBUS DP communication through the first interface.

• PROFINET Ethernet connectivity with an integrated two-port switch.

• Support for distributed automation architectures.

• Designed for use with compatible Siemens safety engineering software and fail-safe I/O.

• 24 V DC power supply.

• Suitable for maintenance and replacement of existing SIMATIC S7-300 safety systems.

Typical Applications

• Industrial machine safety and control

• Manufacturing and production lines

• Conveyor and material-handling systems

• Distributed I/O using PROFIBUS DP or PROFINET

• Safety-related industrial automation

• Integration with compatible Siemens automation equipment

• Maintenance and replacement of existing SIMATIC S7-300 installations

Compatibility and Installation

Before purchasing, verify the existing CPU configuration, safety program, STEP 7 and Distributed Safety software versions, network interfaces, fail-safe I/O modules, and required Micro Memory Card. Safety functions must be engineered, validated, and maintained according to applicable standards and Siemens documentation.

Availability Notice

Siemens identifies this item as a spare part. Confirm current stock, product condition, warranty, and replacement compatibility with the supplier before ordering.