New Original Siemens 6ES7318-3FL01-0AB0 S7-300 CPU Central Processing Unit

The Siemens 6ES7318-3FL01-0AB0 is a SIMATIC S7-300 CPU 319F-3 PN/DP central processing unit, the most powerful CPU in the S7-300 family. It combines standard control and fail-safe (F) functionality in a single device, certified up to SIL 3 (IEC 61508) and PL e (ISO 13849-1).

  • Item No :

    6ES7318-3FL01-0AB0
  • Order(MOQ) :

    1 Piece
  • Payment :

    EXW
  • Product Origin :

    Germany
  • Shipping Port :

    Wuhan
  • Lead Time :

    3~5 days
  • Weight :

    3kg
  • Product Details

     
     
    Specification Description
    Manufacturer Siemens
    Model 6ES7318-3FL01-0AB0
    Product Family SIMATIC S7-300F
    Product Type CPU 319F-3 PN/DP Central Processing Unit
    Work Memory 2 MB (1 MB program + 1 MB data)
    Load Memory SIMATIC Micro Memory Card (MMC), max. 8 MB (required)
    Processing Times Bit: 0.01 µs; Word: 0.03 µs; Fixed-point: 0.06 µs; Floating-point: 0.24 µs
    Interface 1 MPI/PROFIBUS DP, 12 Mbit/s
    Interface 2 PROFIBUS DP
    Interface 3 PROFINET (2 x RJ45, integrated switch)
    Safety Certification SIL 3 (IEC 61508), PL e (ISO 13849-1), Category 4
    Safety Protocol PROFIsafe
    Max. DP Devices 125
    Max. I/O Address Area 8 KB inputs / 8 KB outputs
    S7 Counters 2,048
    S7 Timers 2,048
    Data Blocks (DB) Max. 4,095; max. 64 KB each
    Function Blocks (FB) Max. 5,000
    Supply Voltage 24 V DC (19.2 – 28.8 V)
    Current Consumption Typ. 1.1 A
    Power Loss Typ. 5.5 W
    Backup Battery Yes, all data buffered
    Dimensions (W x H x D) 80 mm x 125 mm x 130 mm
    Weight Approx. 0.58 kg
    Engineering Software STEP 7 V5.5 + Distributed Safety V5.4
    Country of Origin Germany
    Lifecycle Status Discontinued / Spare Part Only

    Related Product Model Recommendations

     
     
    Model Description Typical Application
    6ES7318-3FL01-0AB0 (this model) CPU 319F-3 PN/DP, 2 MB, fail-safe, SIL3 Highest-end safety applications in S7-300
    6ES7317-2FK14-0AB0 CPU 317F-2 PN/DP, 1.5 MB, fail-safe Mid-range safety applications
    6ES7315-2FJ14-0AB0 CPU 315F-2 PN/DP, 512 KB, fail-safe Entry-level safety applications
    6ES7318-3EL01-0AB0 CPU 319-3 PN/DP, 2 MB, standard (non-F) High-performance standard automation
    6ES7416-3FS07-0AB0 CPU 416F-3 PN/DP, 16 MB, fail-safe, SIL3 S7-400 safety applications (higher performance)
    6ES7953-8LJxx-0AA0 SIMATIC Micro Memory Card (MMC) Required for CPU operation

    Payment & Delivery

    FAQs

    Q1: What is the primary function of the 6ES7318-3FL01-0AB0?

    It is the most powerful fail-safe CPU in the SIMATIC S7-300 family, designed for both standard control and safety-related control (emergency stop, safety door monitoring, etc.) in a single device. It is certified up to SIL 3 / PL e, making it suitable for demanding safety applications in manufacturing and process industries.

    Q2: Does this CPU require an MMC card to operate?

    Yes. The CPU 319F-3 PN/DP requires a SIMATIC Micro Memory Card (MMC) for operation. The MMC serves as the load memory and is essential for program storage and data retention. Maximum supported capacity is 8 MB.

    Q3: What is the difference between CPU 319F-3 and CPU 317F-2?

    The CPU 319F-3 (this model) has 2 MB work memory and PROFINET interface (2-port switch). The CPU 317F-2 has 1.5 MB work memory and also includes PROFINET. The 319F-3 is the highest-performance fail-safe CPU in the S7-300 family, with faster processing times (0.01 µs bit operations vs. 0.06 µs for 317F).

    Q4: What software is required to program this fail-safe CPU?

    The CPU requires STEP 7 V5.5 combined with the Distributed Safety V5.4 option package. The safety program is compiled separately and generates the F-shared DB required for PROFIsafe communication. It is not configurable in TIA Portal.

    Q5: Can this CPU be used in redundant (H) systems?

    No. The 6ES7318-3FL01-0AB0 is a standalone fail-safe CPU, not a redundant CPU. For redundant high-availability fail-safe applications, the S7-400FH system with CPU 417-5H (e.g., 6ES7417-5HT06-0AB0) is required. The 319F-3 can be used as a fail-safe CPU in non-redundant configurations.

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