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        • Lifecycle status

          Active / Available from OEM
          Quotations, manuals, and S7-300 model matching for 6ES7318-3FL01-0AB0 are available from Apter Power.

        6ES7318-3FL01-0AB0

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        1001 reviews ｜ Need a Specific Revision?
        Siemens 6ES7318-3FL01-0AB0 is a SIMATIC S7-300 CPU 319F-3 PN/DP failsafe PLC processor for standard and safety-related control over PROFIBUS DP and PROFINET.
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
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        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for 6ES7318-3FL01-0AB0

        • Manufacturer:
          Siemens
        • Part Number:
          6ES7318-3FL01-0AB0
        • Product Family:
          Siemens Simatic S7-300
        • Product Type:
          CPU 319F-3 PN/DP Failsafe PLC CPU
        • Stock:
          1
        • Work Memory:
          2.5 MB integrated
        • Load Memory:
          Micro Memory Card; 8 MB maximum
        • Supply Voltage:
          24 V DC; 19.2–28.8 V DC
        • Rated Current:
          1.25 A
        • Power Loss:
          14 W typical
        • Bit Processing:
          0.004 µs typical
        • Floating-Point Processing:
          0.04 µs typical
        • MPI/DP Interface:
          RS 485; 12 Mbit/s maximum
        • Second DP Interface:
          RS 485 master/slave; 12 Mbit/s maximum
        • PROFINET Interface:
          2-port switch; 10/100 Mbit/s
        • PROFINET IO Devices:
          256 maximum
        • PROFIBUS DP Devices:
          124 maximum per DP master interface
        • PROFIsafe:
          Supported
        • Isochronous Mode:
          Via second PROFIBUS DP or PROFINET
        • Engineering Software:
          STEP 7 V5.5+; Distributed Safety V5.4 SP4
        • Operating Temperature:
          0 to 60 °C horizontal; 0 to 40 °C vertical
        • Weight:
          3.09 lbs (1.4 kg)
        • Estimated shipping dimensions:
          18.1×16.7×15.5cm
        • 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 Memory Roles Interface Duties I/O Scaling Safety Project

        Features:

        • The failsafe S7-300 CPU provides 2.5 MB of integrated work memory for standard and safety-related logic.
        • Three communication interfaces separate MPI/DP, a second DP channel, and switched PROFINET traffic.
        • A Micro Memory Card supplies the removable load-memory path required for the user program.
        The CPU coordinates central racks and distributed field stations from one S7-300 control program.

        Its PROFINET interface can operate as both IO Controller and I-Device while retaining ordinary Ethernet communication services.

        Safety engineering is performed in STEP 7 with Distributed Safety, keeping the failsafe program within the CPU's documented configuration environment.

        The Siemens 6ES7318-3FL01-0AB0 CPU 319F-3 PN/DP may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        Siemens 6ES7318-3FL01-0AB0 CPU 319F-3 PN/DP 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.

        Program and runtime areas

        • Work memory: Integrated memory holds the executable code and active data used by the CPU cycle.
        • Load memory: The removable Micro Memory Card stores the project transferred from STEP 7.
        • Retentive area: Selected flags, data blocks, timers, and counters can preserve their values across the relevant restart condition.
        • Process image: Input and output images provide the cyclic data boundary between the program and configured I/O.

        Three independent communication roles

        • MPI/DP port: The first RS 485 channel supports programming access, operator communication, and PROFIBUS DP.
        • Dedicated DP: The second RS 485 channel can control or join a separate PROFIBUS DP network.
        • PROFINET switch: Two RJ45 ports place distributed Ethernet devices on the integrated PROFINET interface.
        • Routing: The CPU passes supported engineering and S7 communication between configured networks.

        Expansion boundaries

        • Rack structure: Up to four racks with eight modules per rack define the central hardware arrangement.
        • DP stations: Each integrated DP master path addresses as many as 124 PROFIBUS devices.
        • PN stations: The PROFINET controller accepts up to 256 IO devices within the detailed RT and IRT limits.
        • Address mapping: Distributed input and output data occupy the CPU's configured I/O address space and process images.

        Failsafe engineering boundary

        • Tool chain: STEP 7 V5.5 or higher and Distributed Safety V5.4 SP4 form the documented configuration environment.
        • PROFIsafe path: Safety telegrams can travel through configured PROFIBUS or PROFINET distributed I/O.
        • Clocked I/O: Isochronous operation is assigned to either the second DP interface or PROFINET, not both simultaneously.
        • Memory medium: The Micro Memory Card must be present when the configured standard and failsafe program is loaded.
        Description
        The Siemens 6ES7318-3FL01-0AB0 is a SIMATIC S7-300 CPU 319F-3 PN/DP central processing unit for standard and failsafe automation programs. It executes the control logic, maintains the process image, and coordinates central or distributed I/O through its integrated communication interfaces.

        Distributed stations can be organized from 6ES7318-3FL01-0AB0 over two separate PROFIBUS-capable RS 485 interfaces and one PROFINET interface with a two-port switch. The PROFINET side can act as an IO Controller and I-Device, while the second DP channel supports isochronous operation; DP and PROFINET isochronous mode are not used simultaneously.

        Program execution in 6ES7318-3FL01-0AB0 is supported by 2.5 MB of integrated work memory and an external Micro Memory Card of up to 8 MB for load memory. Typical processing times are 0.004 µs for bit operations and 0.04 µs for floating-point operations, with retentive data configurable within the documented memory areas.

        A 24 V DC supply powers 6ES7318-3FL01-0AB0 across the 19.2–28.8 V range, and the CPU draws 1.25 A at rated load with 14 W typical power loss. Engineering requires STEP 7 V5.5 or higher together with Distributed Safety V5.4 SP4 for the failsafe program environment.
        Alternative Names
        6ES73183FL010AB0 6ES7 318-3FL01-0AB0 6ES7318 3FL01 0AB0 Siemens CPU 319F-3 PN DP SIMATIC S7-300F CPU 319F CPU319F 3 PN DP Siemens 6ES7318 3FL01 0AB0 6ES73I8-3FL01-0AB0
        Technical notes
        Siemens 6ES7318-3FL01-0AB0 separates MPI/DP, a second DP master/slave channel, and two-port PROFINET communication across three integrated interfaces.
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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.
        VIEW ALL FAQS
        Why is a Micro Memory Card required for 6ES7318-3FL01-0AB0?
        Siemens 6ES7318-3FL01-0AB0 uses a plug-in Micro Memory Card as load memory, so the CPU cannot hold the user program solely in its 2.5 MB work memory.
        How should the three interfaces on 6ES7318-3FL01-0AB0 be assigned?
        The first interface of 6ES7318-3FL01-0AB0 supports MPI/DP, the second supports DP master or slave operation, and the third provides switched PROFINET.
        Can 6ES7318-3FL01-0AB0 run isochronous I/O on both DP and PROFINET at once?
        No. 6ES7318-3FL01-0AB0 supports isochronous operation through the second PROFIBUS DP interface or PROFINET, but not on both simultaneously.
        Which engineering tools are needed for the failsafe program in 6ES7318-3FL01-0AB0?
        The failsafe configuration of 6ES7318-3FL01-0AB0 requires STEP 7 V5.5 or higher and Distributed Safety V5.4 SP4.
        What supply check should be made before powering 6ES7318-3FL01-0AB0?
        The 24 V DC feed for 6ES7318-3FL01-0AB0 must remain within 19.2–28.8 V, and Siemens recommends at least 2 A external protection for the supply line.
        Which device-count limit matters when expanding PROFINET from 6ES7318-3FL01-0AB0?
        As a PROFINET IO Controller, 6ES7318-3FL01-0AB0 supports up to 256 connected IO devices, with separate limits applying to IRT and line arrangements.

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