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Siemens 6ES7315-6FF04-0AB0 S7-300 CPU 315F-2 PN/DP

Siemens 6ES7315-6FF04-0AB0 S7-300 CPU 315F-2 PN/DP

Item NO.: 3746403
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Detail

  • Product NameSiemens 6ES7315-6FF04-0AB0 S7-300 CPU 315F-2 PN/DP
  • Item NO.3746403
  • Weight1.0000 kg = 2.2046 lb = 35.2740 oz
  • CategoryPLC
  • BrandSiemens
  • Creation Time2026-08-25
  • S7-300 CPU 315F-2 PN/DP
6ES7315-6FF04-0AB0 | S7-300 CPU 315F-2 PN/DP · Official Technical Data

6ES7315-6FF04-0AB0

S7-300 CPU 315F-2 PN/DP · Fail-Safe CPU
Lifecycle Status: Phase-out (Active for spare parts)
Overview

6ES7315-6FF04-0AB0 is a Siemens S7-300 Fail-Safe CPU 315F-2 PN/DP with integrated PROFINET (2-port switch) and PROFIBUS DP interfaces. It is designed for safety-related automation applications up to SIL 3 (IEC 61508) and PL e (ISO 13849-1), featuring 384 KB work memory, high processing speed, and comprehensive safety communication capabilities.

Firmware V3.2 · Order number 6ES7315-6FF04-0AB0 · Requires MMC

Technical Specifications

  • Work memory: 384 KB (integrated, not expandable)
  • Load memory: MMC up to 8 MB
  • Bit operation performance: 0.05 µs
  • Word operation performance: 0.09 µs
  • Floating point arithmetic: 0.45 µs
  • Interfaces: PROFINET (2x RJ45 switch) + PROFIBUS DP (RS485)
  • Communication: PG/OP, S7 communication, open IE (TCP/IP, UDP, ISO-on-TCP)
  • Safety communication: PROFIsafe via PROFINET or PROFIBUS DP
  • Safety integrity level: SIL 3 (IEC 61508), PL e (ISO 13849-1)
  • I/O address area (max): 1024 digital inputs / 1024 digital outputs (central)
  • Expansion: max. 4 racks, up to 8 modules per rack
  • Protection class: IP20, ambient temperature 0°C ~ 60°C
  • Power loss: 4.65 W typical
IEC 61131-3 compliant · Integrated isochronous mode support · Fail-safe user program with F-runtime license

Features

  • Integrated PROFINET IO controller with 2-port switch, supports RT/IRT
  • PROFIBUS DP master/slave for distributed I/O
  • PROFIsafe communication for safety-related data exchange
  • Up to 1024 blocks (DBs, FCs, FBs) with max. 64 KB each
  • Supports SIMATIC memory card (MMC) for program/data backup
  • Web server, data logs, time synchronization
  • Online download/debug via PROFINET during operation
  • Diagnostic alarms, process alarms, interrupt handling
  • Software redundancy support (with two CPUs and CP342-5)
  • Compatible with STEP 7 V5.5 or higher, requires F-license for safety programming

Applications

  • Safety-related machine control (packaging, filling, textile)
  • Process automation with safety requirements
  • Distributed safety solutions (PROFINET + PROFIBUS)
  • Emergency stop systems, light curtains, safety door monitoring
  • Software redundancy applications with safety functions
  • Replacement for older S7-300 F-CPUs (e.g., 315F-2DP, 315F-2PN/DP earlier versions)

Lifecycle

Lifecycle status: Phase-out product. SIMATIC S7-300 system families generally available until 2023, with spare parts support for approximately ten years thereafter.

Active for spare parts: Expected to remain available through at least 2035+.

Compatible successor (drop-in replacement): 6ES7315-6FF03-0AB0 (previous version). When replacing with 6ES7315-6FF04-0AB0, the STEP 7 project does not need to be changed. Use the previous type's order number in hardware configuration.

Long-term migration path (S7-1500F): 6ES7515-2FM02-0AB0 (discontinued) → 6ES7515-2FN03-0AB0 (current S7-1500F replacement)

Migration requirements: Program must be ported to TIA Portal; hardware modules replaced with S7-1500 compatible components; safety program must be re-validated; not a plug-and-play replacement across platform boundaries. Full hardware and software re-engineering is required for S7-1500F migration.

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Frequently Asked Questions
Is 6ES7315-6FF04-0AB0 discontinued? What is its availability?
The SIMATIC S7-300 system family was generally available until 2023. Following the phase-out declaration, products are available as spare parts for approximately ten more years. This CPU is expected to remain available through at least 2035+ as a spare part.
What is the compatible drop-in replacement for this CPU?
The previous version is 6ES7315-6FF03-0AB0. When replacing with 6ES7315-6FF04-0AB0, the STEP 7 project does not need to be changed. You can configure the previous type's order number in hardware configuration.
What is the long-term migration path to S7-1500F?
The recommended S7-1500F replacement path is: 6ES7515-2FM02-0AB0 (discontinued) → 6ES7515-2FN03-0AB0 (current). This is not a plug-and-play replacement; full hardware and software re-engineering is required, including program porting to TIA Portal and new hardware installation. Safety programs must be re-validated.
Which programming software is supported? Do I need special licenses?
Requires STEP 7 V5.5 or higher, plus the Distributed Safety or F-Configuration Pack for safety programming. The F-runtime license is required on the CPU. With appropriate HSP files, earlier versions down to V5.4 SP4 may work.
What safety standards does this CPU support?
The CPU supports safety functions up to SIL 3 (IEC 61508) and PL e (ISO 13849-1). It communicates via PROFIsafe over PROFINET or PROFIBUS DP with safety-rated I/O modules.

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