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        • Lifecycle status

          Discontinued / Obsolete by OEM
          Product manuals, quotations, selection guidance, and model matching for 6ES7314-6BG03-0AB0 are provided by Apter Power.

        6ES7314-6BG03-0AB0

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        1001 reviews ｜ Need a Specific Revision?
        Siemens 6ES7314-6BG03-0AB0 is a SIMATIC S7-300 CPU 314C-2 PTP with integrated mixed I/O, counters, MPI, and RS422/485 communication.
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        Ships by Wednesday, October 28
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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.
        Parts Availability
        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 6ES7314-6BG03-0AB0

        • Manufacturer:
          Siemens
        • Part Number:
          6ES7314-6BG03-0AB0
        • Product Family:
          Siemens Simatic S7-300
        • Product Type:
          SIMATIC S7-300 CPU 314C-2 PTP Compact CPU
        • Stock:
          1
        • Work Memory:
          96 KB
        • Firmware Version:
          V2.6
        • Rated Supply:
          24 V DC
        • Permitted Supply Range:
          20.4 to 28.8 V DC
        • Digital Inputs:
          24; 16 usable for technological functions
        • Digital Outputs:
          16; 4 high-speed outputs
        • Analog Inputs:
          4 voltage/current plus 1 Pt100
        • Analog Outputs:
          2 voltage/current
        • High-Speed Counters:
          4 at up to 60 kHz
        • Pulse Outputs:
          4 at up to 2.5 kHz
        • MPI Interface:
          RS485, up to 187.5 kbit/s
        • Point-to-Point Interface:
          Isolated RS422/485, up to 38.4 kbit/s
        • Serial Procedures:
          ASCII, 3964(R), and RK 512
        • Maximum MPI Cable Without Repeater:
          50 m
        • Maximum Point-to-Point Cable:
          1200 m
        • Maximum Expansion Units:
          3
        • Maximum Racks:
          4
        • Required Accessories:
          2 x 40-pole front connectors and Micro Memory Card
        • Weight:
          1.642 lbs (0.745 kg)
        • Estimated shipping dimensions:
          15.2x13.2x13.1cm
        • Tariff Code:
          8537101190
        • 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 Integrated I/O PTP Port Tech Channels Memory & Setup

        Features:

        • Integrated digital, analog, Pt100, counter, and pulse channels place local process handling inside the CPU.
        • MPI and an isolated RS422/485 point-to-point port serve different communication roles.
        • A Micro Memory Card and two forty-pole front connectors are required for the complete installation.
        Siemens 6ES7314-6BG03-0AB0 executes the S7 program and directly processes its compact local I/O.

        High-speed channels on 6ES7314-6BG03-0AB0 handle counting and pulse functions outside ordinary cyclic signal timing.

        The serial interface of 6ES7314-6BG03-0AB0 exchanges configured ASCII, 3964(R), or RK 512 telegrams.
        Siemens 6ES7314-6BG03-0AB0 SIMATIC S7-300 CPU 314C-2 PTP 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.

        Local Signal Relationships

        • Digital inputs: Standard and technological inputs bring discrete states and fast events into the CPU.
        • Digital outputs: Standard and high-speed outputs drive supported loads from program or technological functions.
        • Analog paths: Voltage, current, resistance, Pt100, and analog-output channels use their configured ranges.
        • Front connection: Two forty-pole connectors organize the integrated signal wiring at the CPU.

        RS422/485 Serial Communication

        • Electrical interface: The second interface provides isolated RS422/485 signaling.
        • Procedures: ASCII, 3964(R), and RK 512 define telegram framing and exchange behavior.
        • Program control: The user program controls the point-to-point service and receives break-identification interrupts.
        • Commissioning: Both serial partners must agree on wiring, baud rate, framing, procedure, and telegram handling.

        High-Speed Technology Functions

        • Counter channels: Four integrated inputs capture events at frequencies above normal process-image timing.
        • Frequency measurement: Configured channels convert pulse timing into frequency results.
        • Pulse outputs: Four outputs can generate pulse-width-modulated signals up to the documented limit.
        • Program access: The hardware configuration and technological functions define addresses, gates, and control behavior.

        Project and Startup Requirements

        • Work memory: The CPU executes the active program in its integrated work memory.
        • Micro Memory Card: The required card stores the loadable project and supports startup.
        • Hardware project: I/O ranges, serial parameters, technological functions, and module addresses must match the installed CPU.
        • Replacement: Restore the correct MMC, connector wiring, network settings, and STEP 7 project before startup.
        Description
        Siemens 6ES7314-6BG03-0AB0 is a SIMATIC S7-300 CPU 314C-2 PTP compact controller that combines the processor with local digital, analog, Pt100, and high-speed counter channels. The user program links these integrated signals with internal data and communication services without separate I/O modules for the listed channels.

        The twenty-four digital inputs and sixteen digital outputs of 6ES7314-6BG03-0AB0 share the compact CPU assembly, while four input channels can handle high-speed counting and four outputs can generate pulse-width-modulated signals. A separate group of analog inputs, one Pt100 path, and two analog outputs connects continuous process values to the same controller.

        Two communication roles are built into 6ES7314-6BG03-0AB0. The MPI interface serves programming, operator, and S7 communication, while the isolated RS422/485 point-to-point interface runs ASCII, 3964(R), or RK 512 telegram exchange under the user program.

        A Micro Memory Card and two forty-pole front connectors are required to commission 6ES7314-6BG03-0AB0. The card holds the loadable project, and the front connectors carry the integrated I/O, so replacement requires the stored hardware configuration and the complete field-terminal assignment.
        Alternative Names
        6ES73146BG030AB0 6ES7314 6BG03 0AB0 6ES 7314 6BG03 0AB0 Siemens 6ES7314-6BG03-0AB0 6ES7314-6BG03-0AB0 CPU 314C-2 PTP 6ES7314-6BG03-0AB0 Compact CPU 6ES7314-6BGO3-0ABO 6ES73I4-6BG03-0AB0
        Technical notes
        The Micro Memory Card, both forty-pole front connectors, integrated-I/O parameters, and serial project must be preserved with 6ES7314-6BG03-0AB0.
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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 will 6ES7314-6BG03-0AB0 not start after hardware replacement?
        Check the 6ES7314-6BG03-0AB0 Micro Memory Card, STEP 7 hardware version, project contents, supply voltage, front connectors, and diagnostic buffer.
        Why does the point-to-point port on 6ES7314-6BG03-0AB0 receive no reply?
        Compare the 6ES7314-6BG03-0AB0 RS422/485 wiring, termination, baud rate, framing, selected ASCII or 3964(R) or RK 512 procedure, and partner settings.
        Why can a high-speed counter on 6ES7314-6BG03-0AB0 miss pulses?
        Review the 6ES7314-6BG03-0AB0 input level, pulse frequency, shielding, cable length, counter mode, gate signal, edge selection, and technological-channel parameters.
        What must be preserved before replacing 6ES7314-6BG03-0AB0?
        Back up the 6ES7314-6BG03-0AB0 MMC and STEP 7 project, then record integrated-I/O wiring, serial parameters, MPI address, counter settings, and connector assignments.
        Why does one analog channel on 6ES7314-6BG03-0AB0 remain invalid?
        Verify the 6ES7314-6BG03-0AB0 measurement type, range, common reference, sensor supply, Pt100 or current wiring, channel address, and online diagnostics.
        How should MPI and point-to-point faults be separated on 6ES7314-6BG03-0AB0?
        Check the 6ES7314-6BG03-0AB0 MPI and RS422/485 interfaces independently, using their separate LEDs, addresses, cable paths, protocol parameters, and diagnostic records.

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