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6ES7315-6FF01-0AB0

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Siemens 6ES7315-6FF01-0AB0 is a fail-safe SIMATIC S7-300 CPU that executes safety and standard programs with integrated MPI and PROFIBUS DP communication.
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Technical specifications for 6ES7315-6FF01-0AB0

  • Manufacturer:
    Siemens
  • Part Number:
    6ES7315-6FF01-0AB0
  • Product Family:
    Siemens Simatic S7-300
  • Product Type:
    CPU 315F-2 DP Central Processing Unit
  • Stock:
    1
  • CPU Version:
    CPU 315F-2 DP, edition 01
  • Minimum Hardware Release:
    01
  • Documented Firmware:
    V2.0.1 or later
  • Integrated Work Memory:
    192 KB
  • Usable Standard Data Memory:
    128 KB
  • Input Process Image:
    384 bytes
  • Output Process Image:
    384 bytes
  • Integrated Interfaces:
    MPI and PROFIBUS DP
  • Safety Engineering:
    S7 Distributed Safety
  • Program Modes:
    Fail-safe and standard applications
  • I-Slave Station-Failure Delay:
    Up to 20 ms additional user-program processing
  • Proof-Test Interval:
    10 years
  • Weight:
    0.772 lbs (0.35 kg)
  • Estimated shipping dimensions:
    15x13.2x5.1cm
  • 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 Safety Memory PROFIBUS Role Startup Checks Engineering Limits

Features:

  • Fail-safe and standard application code can run on the same S7-300F CPU.
  • Integrated work memory is 192 KB, with 384-byte input and output process images.
  • MPI and PROFIBUS DP interfaces support controller, engineering, and distributed I/O communication.
For personal and machine safety, burner controls, and standard automation tasks, Siemens 6ES7315-6FF01-0AB0 combines both program types in one CPU.

The 6ES7315-6FF01-0AB0 memory organization reserves defined resources for standard data while safety data blocks follow separate retentive behavior.

During commissioning, 6ES7315-6FF01-0AB0 engineering software, safety-package level, hardware release, and firmware must be checked as one supported combination.

The Siemens 6ES7315-6FF01-0AB0 CPU 315F-2 DP Central Processing Unit may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6ES7315-6FF01-0AB0 CPU 315F-2 DP 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.

Fail-Safe Memory Behavior

  • Work memory: The CPU provides 192 KB of integrated work memory.
  • Standard data: Up to 128 KB is usable as data memory for standard applications.
  • F-data blocks: Safety-program data blocks are not retained after power cycling or STOP-RUN restart.
  • Block restrictions: Defined SFC operations cannot create, delete, or target F-DBs.

Distributed Communication Role

  • DP interface: The integrated PROFIBUS DP port connects distributed stations and controllers.
  • I-slave mode: The CPU can operate as an intelligent slave in a DP network.
  • Station loss: DP-master failure can extend I-slave program processing by up to 20 ms.
  • MPI path: The MPI interface supports engineering and SIMATIC communication tasks.

Safety Program Startup Diagnostics

  • Consistency test: A supported safety project is checked for internal consistency during startup.
  • STOP response: Detection of an inconsistent safety program moves the F-CPU to STOP.
  • Diagnostic record: The event is written to the CPU diagnostic buffer for troubleshooting.
  • Initial values: F-DBs restore their defined load-memory initial values after restart.

Project Compatibility Requirements

  • Hardware scope: The product information applies from hardware release 01.
  • Firmware scope: The documented CPU baseline begins at firmware V2.0.1.
  • Safety package: S7 Distributed Safety is required for fail-safe application engineering.
  • Project validation: STEP 7, safety-package, firmware, and project versions must be checked together.
Description
Siemens 6ES7315-6FF01-0AB0 is a CPU 315F-2 DP central processing unit for the SIMATIC S7-300F system. It executes the standard control program and the configured fail-safe program while coordinating local process data and distributed PROFIBUS I/O.

Inside 6ES7315-6FF01-0AB0, integrated work memory holds the executing program and data, but standard data blocks and fail-safe data blocks follow different retention rules. Standard applications can use the documented data-memory portion, whereas F-DB values return to their load-memory initial values after power loss or a STOP-to-RUN restart.

The two communication paths of 6ES7315-6FF01-0AB0 serve different connections: MPI supports engineering and SIMATIC communication, while the PROFIBUS DP interface exchanges process data with distributed stations and can operate in I-slave mode.

During startup, 6ES7315-6FF01-0AB0 checks the safety project for internal consistency. A failed check is written to the diagnostic buffer and moves the F-CPU to STOP, so the hardware release, firmware, STEP 7 project, and S7 Distributed Safety version must form a matched engineering configuration.
Alternative Names
6ES73156FF010AB0 6ES7315 6FF01 0AB0 Siemens 6ES7315-6FF01-0AB0 SIMATIC CPU 315F-2 DP 6ES7315-6FF01-0AB0 fail-safe CPU S7-300F central processor 315F-2 DP Siemens F-CPU 6ES7315-6FF01-0AB0 CPU315F-2DP safety controller module
Technical notes
Safety and standard control are combined in Siemens 6ES7315-6FF01-0AB0, with 192 KB work memory and 384-byte input/output process images.
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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 6ES7315-6FF01-0AB0 enter STOP when a safety project is inconsistent?
The 6ES7315-6FF01-0AB0 detects the inconsistent safety program during startup, enters STOP, and records the event in its diagnostic buffer.
How much memory can standard data blocks use on 6ES7315-6FF01-0AB0?
The 6ES7315-6FF01-0AB0 provides 192 KB work memory, of which 128 KB is available as data memory for standard applications.
Are fail-safe data blocks retained after power loss on 6ES7315-6FF01-0AB0?
No, F-DB current values in 6ES7315-6FF01-0AB0 are non-retentive and return to their load-memory initial values after restart.
What must be matched before loading a safety project into 6ES7315-6FF01-0AB0?
For 6ES7315-6FF01-0AB0, verify the hardware release, firmware, STEP 7 version, S7 Distributed Safety level, and project configuration together.
Can 6ES7315-6FF01-0AB0 be used as a PROFIBUS DP I-slave?
Yes, 6ES7315-6FF01-0AB0 supports I-slave operation, but a DP-master station failure can add up to 20 ms of processing delay.
Why can some SFC operations not modify F-DBs in 6ES7315-6FF01-0AB0?
The safety architecture of 6ES7315-6FF01-0AB0 restricts creating, deleting, and targeting F-DBs so safety data handling remains controlled.

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