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          Apter Power supports 6ES7516-3AP03-0AB0 quotations, manuals, and CPU model matching.

        6ES7516-3AP03-0AB0

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        1001 reviews ｜ Need a Specific Revision?
        Siemens 6ES7516-3AP03-0AB0 is a SIMATIC S7-1500 CPU 1516-3 PN/DP that executes controller logic and coordinates PROFINET and PROFIBUS communication in an automation station.
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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
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        Technical specifications for 6ES7516-3AP03-0AB0

        • Manufacturer:
          Siemens
        • Part Number:
          6ES7516-3AP03-0AB0
        • Product Family:
          Siemens Simatic S7-1500
        • Product Type:
          SIMATIC S7-1500 CPU 1516-3 PN/DP Central Processing Unit
        • Stock:
          1
        • Program Work Memory:
          2 MB
        • Data Work Memory:
          7.5 MB
        • Bit Processing Time:
          6 ns
        • Rated Supply Voltage:
          24 V DC
        • Permissible Supply Range:
          19.2–28.8 V DC
        • X1 Interface:
          PROFINET IRT with integrated 2-port switch
        • X2 Interface:
          PROFINET RT
        • Memory Card:
          SIMATIC Memory Card required; up to 32 GB
        • Integrated IO Controllers:
          2
        • Integrated DP Masters:
          1
        • Web Server:
          Supported
        • Configuration Control:
          Via data set
        • Protection Class:
          IP20
        • Hardware Functional Status:
          FS04
        • Firmware Version:
          V4.1
        • Weight:
          1.16 lbs (0.524 kg)
        • Estimated shipping dimensions:
          15.8×15.5×8cm
        • 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 Interface Roles Memory Workflow Timing Control Diagnostic Access

        Features:

        • Separates 2 MB of program work memory from 7.5 MB of data work memory.
        • Links deterministic PROFINET IRT, PROFINET RT, and PROFIBUS through three integrated interfaces.
        • Executes bit operations in 6 ns while retaining a removable SIMATIC Memory Card as load memory.
        The first Ethernet interface combines PROFINET IRT services with a two-port switch for a line-oriented controller connection.

        A second PROFINET RT interface and the separate PROFIBUS port keep additional communication paths independent of the IRT network.

        Configuration control, I&M records, SysLog, and the integrated web server support controller identification and diagnostics.

        Apter Power assists with pricing and access to official Siemens documentation for Siemens 6ES7516-3AP03-0AB0 SIMATIC S7-1500 CPU 1516-3 PN/DP Central Processing Unit.
        Siemens 6ES7516-3AP03-0AB0 SIMATIC S7-1500 CPU 1516-3 PN/DP Central Processing Unit Manuals, Datasheets, Links 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.

        Separating Deterministic, Standard, and Fieldbus Traffic

        • Deterministic devices: X1 combines PROFINET IRT with a two-port switch, keeping isochronous I/O on the interface designed for timed exchange.
        • Independent Ethernet: X2 forms a separate PROFINET RT network so standard controller traffic does not have to share the IRT segment.
        • Legacy fieldbus: The PROFIBUS interface connects the DP segment directly to the CPU instead of converting it through either Ethernet path.
        • Shared process data: Although the links remain physically separate, their device data is processed by the same controller program.

        Moving a Project from Load Memory into Runtime

        • Project storage: The SIMATIC Memory Card holds the load-memory version of the project before the CPU transfers executable content into work memory.
        • Program execution: Controller instructions run from the program work area rather than directly from the removable card.
        • Data handling: Process values and data blocks occupy a separate work-memory area, preventing program size from being treated as available data capacity.
        • Service boundary: Card selection and project memory allocation must both be checked when transferring a project between CPUs.

        Coordinating Cyclic Logic with Isochronous I/O

        • IRT cycle: The X1 interface provides the timed network path used when I/O updates must align with an isochronous organization block.
        • Central and distributed timing: The documented cycle limits differ between centrally connected resources and distributed isochronous devices.
        • Interrupt scheduling: Cyclic-interrupt organization blocks run on their configured schedule independently of the normal scan sequence.
        • Project check: The selected OB cycle must respect the minimum value associated with the chosen I/O arrangement.

        Tracing Identity, Events, and Configuration State

        • Device identity: I&M records expose the controller identity and maintenance information used to confirm the installed CPU.
        • Event history: SysLog provides an event trail that can be examined separately from the user-program blocks.
        • Browser view: The integrated web server presents operating and diagnostic information through an Ethernet connection.
        • Station variants: Data-set-based configuration control identifies which defined station variant is active without replacing the CPU.
        Description
        Siemens 6ES7516-3AP03-0AB0 is a SIMATIC S7-1500 CPU 1516-3 PN/DP central processing unit. It runs the user program, maintains the controller data set, and coordinates distributed I/O through the CPU's integrated industrial-network interfaces.

        Communication around 6ES7516-3AP03-0AB0 is divided across three physical paths. X1 combines PROFINET IRT with a two-port switch, X2 provides a separate PROFINET RT connection, and the third interface handles PROFIBUS DP; this arrangement keeps time-critical PROFINET traffic distinct from the additional Ethernet and fieldbus links.

        Program execution and data retention occupy different memory areas in 6ES7516-3AP03-0AB0. The CPU provides 2 MB for program work memory and 7.5 MB for data, while a required SIMATIC Memory Card supplies the removable load-memory layer used by the station.

        Beyond cyclic control, 6ES7516-3AP03-0AB0 supports configuration control by data set, I&M records, SysLog, and an integrated web server. These functions expose identity, configuration, and diagnostic information without changing the three-interface control architecture.
        Alternative Names
        6ES7516 3AP03 0AB0 6ES75163AP030AB0 6ES7 516-3AP03-0AB0 6ES7-516-3AP03-0AB0 Siemens 6ES7516-3AP03-0AB0 CPU 1516-3 PN/DP 6ES7516-3AP03-0AB0 6ES7516-3APO3-0ABO 6ES7516-3AP03-OABO
        Technical notes
        Siemens 6ES7516-3AP03-0AB0 requires a SIMATIC Memory Card and assigns X1 to PROFINET IRT, X2 to PROFINET RT, and its third integrated interface to PROFIBUS.
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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
        How should X1 and X2 be assigned when 6ES7516-3AP03-0AB0 must separate deterministic I/O from standard Ethernet traffic?
        Use X1 of 6ES7516-3AP03-0AB0 for PROFINET IRT or isochronous devices and reserve X2 for the separate PROFINET RT network.
        What must be installed before a project can be loaded into 6ES7516-3AP03-0AB0?
        A SIMATIC Memory Card is required as load memory for 6ES7516-3AP03-0AB0, so the card must be present before project loading and startup.
        When an existing station uses PROFIBUS DP, does 6ES7516-3AP03-0AB0 need an external DP master?
        No external DP master is required for the documented controller role because 6ES7516-3AP03-0AB0 includes an integrated PROFIBUS DP master interface.
        Why should program and data requirements be checked separately for 6ES7516-3AP03-0AB0?
        The work memory of 6ES7516-3AP03-0AB0 is divided into separate program and data areas, so a project must fit each limit rather than only a combined total.
        Why can a device connected to X2 of 6ES7516-3AP03-0AB0 not be assigned to an IRT domain?
        X2 on 6ES7516-3AP03-0AB0 is the PROFINET RT interface; IRT and isochronous operation belong to the X1 interface.
        Which built-in paths help identify configuration or event problems on 6ES7516-3AP03-0AB0?
        I&M records, SysLog, and the integrated web server of 6ES7516-3AP03-0AB0 provide identification, event, and diagnostic visibility without changing the user program.

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