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        • Lifecycle status

          Discontinued / Obsolete by OEM
          Apter Power can provide 6ES7313-6BG04-0AB0 product selection, manuals, and quotation support.

        6ES7313-6BG04-0AB0

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        1001 reviews ｜ Need a Specific Revision?
        Built for local control and serial-device exchange, Siemens 6ES7313-6BG04-0AB0 is an S7-300 CPU 313C-2 PtP with integrated digital I/O and RS422/485 communication.
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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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        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.
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        Technical specifications for 6ES7313-6BG04-0AB0

        • Manufacturer:
          Siemens
        • Part Number:
          6ES7313-6BG04-0AB0
        • Product Family:
          Siemens Simatic S7-300
        • Product Type:
          SIMATIC S7-300 CPU 313C-2 PtP Compact CPU
        • Stock:
          1
        • Work Memory:
          128 KB
        • Load Memory:
          Micro Memory Card, up to 8 MB
        • Digital Inputs:
          16 integrated
        • Digital Outputs:
          16 integrated
        • High-Speed Counters:
          3, up to 30 kHz
        • Pulse Outputs:
          3, up to 2.5 kHz
        • Serial Interface:
          Isolated RS422/485
        • Serial Data Rate:
          38.4 kbit/s half-duplex; 19.2 kbit/s full-duplex
        • Serial Cable Length:
          Up to 1200 m
        • Serial Protocols:
          3964(R) and ASCII
        • MPI Interface:
          RS485, up to 187.5 kbit/s
        • Rated Supply:
          24 V DC
        • Supply Range:
          19.2 to 28.8 V DC
        • Required Connector:
          1 x 40-pole front connector
        • Diagnostic Buffer:
          500 entries; 100 retained
        • Programming:
          STEP 7 V5.5 SP1 or V5.3 SP2 with HSP 204
        • Program Backup:
          Battery-free via Micro Memory Card
        • Operating Temperature:
          0 to 60 °C
        • Weight:
          1.2 lbs (0.543 kg)
        • Estimated shipping dimensions:
          13.2x15.2x9cm
        • 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 Serial Link Duplex & Cable CPU Execution Time & Events

        Features:

        • An isolated RS422/485 channel exchanges point-to-point data through 3964(R) or ASCII communication.
        • Integrated digital I/O, counters, and pulse outputs connect local logic and technology signals directly to the CPU.
        • MPI communication and the serial channel remain separate, giving engineering and device exchange different interfaces.
        Serial settings determine duplex mode, data rate, and protocol framing before the connected device exchanges user data with the CPU program.

        Counter inputs and pulse outputs process time-critical signals while ordinary digital channels remain part of the cyclic process image.

        The Micro Memory Card retains the load image, and the diagnostic buffer preserves selected event history through a loss of power.

        The Siemens 6ES7313-6BG04-0AB0 SIMATIC S7-300 CPU 313C-2 PtP Compact CPU may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        Siemens 6ES7313-6BG04-0AB0 SIMATIC S7-300 CPU 313C-2 PtP Compact CPU 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.

        Point-to-Point Data Exchange

        • Physical interface: The isolated second interface supports RS422 and RS485 electrical signaling.
        • Protocol choice: The serial channel can be configured for 3964(R) framed exchange or ASCII data.
        • Duplex modes: Half-duplex and full-duplex operation use their documented maximum data rates.
        • Program control: The user program can control the interface and respond to a communication interrupt.

        Electrical and Timing Limits of the Serial Path

        • Half-duplex rate: The RS485 channel transfers framed serial data at rates through 38.4 kbit/s.
        • Full-duplex rate: RS422 operation supports simultaneous transmit and receive traffic through 19.2 kbit/s.
        • Cable boundary: The documented serial line may extend to 1200 m when the required electrical conditions are met.
        • Isolation: Electrical separation keeps the point-to-point interface isolated from the remaining CPU circuits.

        Program Structure and Processing

        • Bit operations: Boolean instructions execute with a documented minimum time of 0.07 microseconds.
        • Arithmetic: Word, fixed-point, and floating-point operations use separate processing-time classes.
        • Block structure: DB, FB, and FC resources share a maximum total of 1024 loaded blocks.
        • Engineering package: STEP 7 with HSP 204 supplies the hardware definition required for this PtP CPU.

        Clock, Interrupt, and Diagnostic Records

        • Real-time clock: The buffered hardware clock continues through a power interruption within its reserve period.
        • Interrupt blocks: Configured time, delay, cyclic, hardware, and error OBs separate event handling from the main scan.
        • Diagnostic history: The buffer stores 500 events and preserves its latest 100 entries after power loss.
        • Local indication: Status LEDs show controller and signal conditions beside the retained event record.
        Description
        Siemens 6ES7313-6BG04-0AB0 is a SIMATIC S7-300 CPU 313C-2 PtP compact controller that executes machine logic and exchanges data with a serial partner. Integrated digital I/O and high-speed technology channels bring local field signals directly into the same CPU.

        The isolated RS422/485 interface on 6ES7313-6BG04-0AB0 operates as the point-to-point channel for 3964(R) or ASCII communication. Half-duplex and full-duplex data rates have different limits, while the connected cable may extend to the documented 1200 m boundary.

        Three counters in 6ES7313-6BG04-0AB0 acquire pulses through dedicated technology inputs at rates to 30 kHz. Selected outputs generate pulse or PWM signals, allowing the CPU to connect measurement and command tasks without a separate counter module.

        Project storage for 6ES7313-6BG04-0AB0 uses a required Micro Memory Card, while the integrated 128 KB work memory holds executing code and live data. The card also provides maintenance-free program and data retention without a backup battery.

        The MPI port on 6ES7313-6BG04-0AB0 remains available for programming, operator, and S7 communication while the second interface handles serial exchange. Diagnostic-buffer entries and front status LEDs give engineering and local views of controller and signal conditions.
        Alternative Names
        6ES73136BG040AB0 6ES7313 6BG04 0AB0 6ES 7313 6BG04 0AB0 Siemens 6ES7313-6BG04-0AB0 6ES7313-6BG04-0AB0 CPU 313C-2 PtP 6ES7313-6BG04-0AB0 Compact CPU 6ES73I3-6BG04-0AB0 6ES7313-6BGO4-OABO
        Technical notes
        Siemens 6ES7313-6BG04-0AB0 integrates 128 KB work memory, 16 digital inputs, 16 outputs, three counters, MPI, and a point-to-point RS422/485 interface.
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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
        Which second-interface function identifies Siemens 6ES7313-6BG04-0AB0?
        Siemens 6ES7313-6BG04-0AB0 provides an isolated RS422/485 point-to-point interface rather than the PROFIBUS DP interface of the 6CG variant.
        How is serial framing selected on 6ES7313-6BG04-0AB0?
        The point-to-point channel of 6ES7313-6BG04-0AB0 is configured for either the 3964(R) driver or ASCII communication.
        Why does Siemens 6ES7313-6BG04-0AB0 still provide MPI alongside RS422/485?
        MPI on Siemens 6ES7313-6BG04-0AB0 serves programming and S7 communication while the isolated second port handles the serial partner.
        What determines the serial data-rate limit for 6ES7313-6BG04-0AB0?
        The configured duplex mode determines whether 6ES7313-6BG04-0AB0 uses the 38.4 kbit/s half-duplex or 19.2 kbit/s full-duplex limit.
        Can the user program react directly to a serial event from Siemens 6ES7313-6BG04-0AB0?
        Yes. Siemens 6ES7313-6BG04-0AB0 can trigger a program interrupt carrying the serial break identifier.
        Does 6ES7313-6BG04-0AB0 process counter pulses through the ordinary cyclic input image?
        No. Dedicated technology inputs feed the three high-speed counters of 6ES7313-6BG04-0AB0 independently of ordinary cyclic input handling.
        Where is the controller project retained when Siemens 6ES7313-6BG04-0AB0 loses power?
        The required Micro Memory Card provides battery-free project and data retention for Siemens 6ES7313-6BG04-0AB0.

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