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6ES7317-6FF04-0AB0

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Fail-safe automation tasks are executed by Siemens 6ES7317-6FF04-0AB0, a SIMATIC S7-300 CPU 317F-2 DP with 1.5 MB work memory, two RS-485 fieldbus interfaces, and S7 Distributed Safety engineering support.
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Technical specifications for 6ES7317-6FF04-0AB0

  • Manufacturer:
    Siemens
  • Part Number:
    6ES7317-6FF04-0AB0
  • Product Family:
    Siemens Simatic S7-300
  • Product Type:
    SIMATIC S7-300 CPU 317F-2 DP Fail-Safe Central Processing Unit
  • Stock:
    1
  • Supply Voltage:
    24 V DC
  • Permissible Supply Range:
    19.2-28.8 V DC
  • Rated Current Consumption:
    870 mA
  • Typical No-Load Current:
    120 mA
  • Typical Power Loss:
    4.5 W
  • Integrated Work Memory:
    1,536 KB
  • Retentive Data-Block Area:
    256 KB
  • Load Memory:
    Micro Memory Card required, up to 8 MB
  • Typical Bit Operation Time:
    0.025 µs
  • First Interface:
    Isolated RS-485 with MPI and PROFIBUS DP master/slave
  • Second Interface:
    Isolated RS-485 with PROFIBUS DP master/slave
  • Maximum DP Rate:
    12 Mbit/s
  • DP Slaves per Master Interface:
    Up to 124
  • DP Master Address Area:
    Up to 8 KB inputs and 8 KB outputs
  • Safety Engineering:
    S7 Distributed Safety V5.2 SP1 or later
  • Configuration Software:
    STEP 7 with the documented HSP and Distributed Safety
  • Operating Temperature:
    0 to 60 °C
  • Program Protection:
    Password protection and S7 block encryption
  • Weight:
    0.917 lbs (0.416 kg)
  • Estimated shipping dimensions:
    12.8x15.1x5.2cm
  • 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 Fail-Safe Project MPI and DP Services Load Storage Interface Coordination

Features:

  • The CPU executes a fail-safe S7-300 project engineered with STEP 7 and S7 Distributed Safety.
  • A mandatory Micro Memory Card provides load storage and maintenance-free program and data backup.
  • Two isolated RS-485 interfaces divide MPI/DP services from an additional PROFIBUS DP path.
Siemens 6ES7317-6FF04-0AB0 performs CPU 317F-2 DP control in a SIMATIC S7-300 station.

The first bus channel combines MPI with DP master/slave functions, while the second channel is dedicated to DP communication.

Safety engineering, the selected memory card, and both bus configurations are maintained in the validated controller project.

The Siemens 6ES7317-6FF04-0AB0 SIMATIC S7-300 CPU 317F-2 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 6ES7317-6FF04-0AB0 SIMATIC S7-300 CPU 317F-2 DP Fail-Safe Central Processing Unit 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.

Safety Engineering Relationship

  • CPU role: The 317F-2 DP executes the fail-safe and standard program areas assigned in the controller project.
  • Engineering option: S7 Distributed Safety supplies the documented safety-program configuration path.
  • STEP 7 baseline: The required software release and hardware support package identify this exact CPU version.
  • Project integrity: Safety logic, hardware parameters, and distributed-I/O addresses remain part of one validated configuration.

First RS-485 Interface

  • MPI services: The channel provides PG/OP communication, routing, global data, and S7 communication.
  • DP master: The same port can control a configured PROFIBUS DP network.
  • DP slave: The interface can alternatively participate as a DP slave.
  • Role selection: The STEP 7 hardware project determines which communication mode is active.

Micro Memory Card Dependency

  • Required medium: The CPU does not provide its documented load-memory function without a Micro Memory Card.
  • Capacity range: Supported MMC storage extends to the documented 8 MB maximum.
  • Backup function: Program and data backup is maintained through the MMC without a CPU battery.
  • Execution relation: Stored project content supplies the integrated work memory used while the CPU runs.

Two PROFIBUS-Capable Channels

  • Separated networks: The two isolated RS-485 interfaces can be assigned to different DP segments.
  • Master capacity: Each configured master path controls the documented distributed-station set.
  • Slave restriction: The CPU cannot operate as a DP slave on both interfaces at the same time.
  • Diagnostic flow: Routing and process-diagnostic information follow the active interface roles in the STEP 7 project.
Description
For fail-safe control within a SIMATIC S7-300 station, Siemens 6ES7317-6FF04-0AB0 operates as the CPU 317F-2 DP central processing unit. It executes the standard and safety-related program areas defined by the STEP 7 and S7 Distributed Safety project while coordinating distributed PROFIBUS I/O.

Integrated work memory in 6ES7317-6FF04-0AB0 provides 1,536 KB for program execution, including a documented retentive data-block area. A Micro Memory Card is mandatory for load memory, supports capacities up to 8 MB, and provides maintenance-free backup of program and data without a CPU battery.

The first isolated RS-485 interface of 6ES7317-6FF04-0AB0 combines MPI services with PROFIBUS DP master or slave operation. Its second isolated RS-485 interface is dedicated to PROFIBUS DP master/slave communication; the CPU cannot operate as a DP slave on both interfaces at the same time.

A 24 V DC supply within 19.2 to 28.8 V DC powers 6ES7317-6FF04-0AB0. The CPU supports DPV1 master functions, routing, process diagnostics, password protection, and block encryption, and its operating range extends from 0 to 60 °C.

Engineering for 6ES7317-6FF04-0AB0 uses the documented STEP 7 release together with the required hardware support package and S7 Distributed Safety option. The selected Micro Memory Card, both bus configurations, and the safety program must therefore belong to the same validated hardware project.
Alternative Names
6ES73176FF040AB0 6ES7317 6FF04 0AB0 Siemens 6ES7317-6FF04-0AB0 Siemens CPU 317F-2 DP 6ES7317-6FF04-0AB0 S7-300 CPU317F-2DP 6ES73176FF040AB0 6ES7317-6FF04-OABO 6ES7317 6FF04 OAB0 SIMATIC S7-300 CPU 317F-2 DP
Technical notes
Siemens 6ES7317-6FF04-0AB0 is the fail-safe CPU 317F-2 DP configuration for STEP 7 with S7 Distributed Safety. Its Micro Memory Card is mandatory and its two RS-485 interfaces cannot both operate as DP slaves simultaneously.
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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.
What engineering stack identifies the fail-safe project for Siemens 6ES7317-6FF04-0AB0?
Siemens 6ES7317-6FF04-0AB0 uses the documented STEP 7 release and hardware support package together with S7 Distributed Safety for the fail-safe project.
What explains a load-memory error on Siemens 6ES7317-6FF04-0AB0 when no MMC is fitted?
A Micro Memory Card is mandatory load memory for Siemens 6ES7317-6FF04-0AB0; the CPU supports cards up to 8 MB and uses the MMC for maintenance-free program and data backup.
A configuration needs two DP-slave identities; does Siemens 6ES7317-6FF04-0AB0 permit that arrangement?
No. Siemens 6ES7317-6FF04-0AB0 supports DP-slave operation on either RS-485 interface, but not simultaneously on both interfaces.
Which port of Siemens 6ES7317-6FF04-0AB0 carries MPI engineering services?
The first RS-485 interface of Siemens 6ES7317-6FF04-0AB0 provides MPI services including PG/OP communication and routing, while the second interface can remain dedicated to its PROFIBUS DP role.
What should be checked when a PROFIBUS segment on Siemens 6ES7317-6FF04-0AB0 remains offline?
For Siemens 6ES7317-6FF04-0AB0, verify the assigned interface role, station address, bus rate, termination, and whether the project expects master or slave operation on that specific RS-485 channel.
How is retained controller data preserved on Siemens 6ES7317-6FF04-0AB0?
Siemens 6ES7317-6FF04-0AB0 uses its Micro Memory Card for battery-free backup of program and data, while the configured retentive data-block area remains within the documented CPU memory organization.

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