• Please try to be as accurate as possible with your search.
  • We can quote you on 1000s of specialist parts, even if they are not listed on our website.
  • We can't find any results for “”.
    SEE MORE
      SEE PRODUCTS IN SEARCH PAGE ()
      sales1@apterpower.com
      +86 181 0690 9650
      Request a

      Fast Quote

      Manufacturers
      ALL MANUFACTURERS
      • Please try to be as accurate as possible with your search.
      • We can quote you on 1000s of specialist parts, even if they are not listed on our website.
      • We can't find any results for “”.
        Manufacturers
        sales1@apterpower.com +86 181 0690 9650
        Choose a manufacturer
        ALL MANUFACTURERS
        Ask our team:
        • Phone: +86 181 0690 9650
        • E-Mail sales1@apterpower.com

        6DD1611-0AG0

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        The 6DD1611-0AG0 (MM4) is a coupling memory module with 2 * 2 Mbytes RAM, L bus/C bus connection, and integrated bus termination for reliable CPU data exchange in multi‑CPU subracks.
        Get a quick price for 6DD1611-0AG0
        Quantity
        *E-mail
        Company
        *Mobile
        *Content
        Upload (gif, jpg, jpeg, png, bmp, doc, docx, xls, xlsx, ppt, pdf, csv)
        Get a Quote
        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.
        Shipping Mode
        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 6DD1611-0AG0

        • Manufacturer:
          Siemens
        • Part Number:
          6DD1611-0AG0
        • Product Family:
          Siemens Simadyn
        • Memory Size:
          2 * 2 Mbytes
        • Bus Connection:
          L bus & C bus
        • Bus Termination:
          Integrated (C bus & L bus)
        • Backup Battery:
          Not used (no battery buffering)
        • Slot Position:
          Any slot between 1st and 2nd CPU
        • Application:
          Multi‑CPU data transfer, CS7 serial interface access
        • Pain Point Solved:
          Eliminates external bus termination components and battery replacement maintenance while providing large memory for inter‑CPU communication in high‑density automation systems.
        • Weight:
          0.3 kg
        • Estimated shipping dimensions:
          2x26.1x26.1cm
        • Tariff Code:
          8517795000
        • 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 Specifications Application Communication Safety and Compliance

        Features:

        • Provides 4 Mbytes total RAM for high-volume data exchange between multiple CPU modules.
        • Eliminates external termination components and improves signal integrity in multi-CPU subracks.
        • No backup battery required for power failure buffering, reducing maintenance and eliminating battery replacement risks.
        The 6DD1611-0AG0 provides a total of 4 Mbytes of dedicated coupling memory, arranged as two independent 2 Mbyte banks. This large capacity allows multiple CPU modules within the same subrack to exchange extensive data blocks without bottlenecks. In applications such as real‑time process control or high‑speed automation, smaller memory modules often force designers to fragment data or reduce update rates.

        Unlike many coupling modules that require external termination resistors on the backplane, the 6DD1611-0AG0 integrates full bus termination for both the L bus and C bus directly on the module. This built‑in feature simplifies subrack assembly, reduces component count, and eliminates common wiring errors. More importantly, it guarantees proper signal integrity even in noisy industrial environments or when the subrack is not fully populated.

        The 6DD1611-0AG0 does not rely on a backup battery for data buffering during power loss. Instead, it uses the subrack's integrated power failure handling and its own robust bus termination circuitry. This battery‑free approach directly addresses a common maintenance headache: regular battery checks, replacements, and the risk of leakage or premature depletion. In remote or harsh industrial sites – such as wind turbines, offshore platforms, or outdoor substations – battery replacement cycles are costly and often neglected.

        The 6DD1611-0AG0 Siemens Memory Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).

        Siemens 6DD1611-0AG0 Memory Module Manuals, Datasheets, Drivers, 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.
        Siemens 6DD1611-0AG0 Memory Module Specs

        General

        • Manufacturer Siemens
        • Model 6DD1611-0AG0
        • Condition New Original ready stock
        • Product Family 6DD1611-0AD0,6DD1611-0AF0
        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.
        • Metalworking and Rolling: In large cold/hot rolling mill control systems, coordinating multiple CPUs for real-time tension and speed calculations.
        • Large-scale Electric Drive Systems: Used for high-speed signal processing in high-voltage direct current (HVDC) transmission, excitation systems, or static var compensators (SVCs).
        • Paper and Textile Machinery: Used to control complex transmission synchronization and take-up processes.
        • High-Precision Test Stands: Such as variable frequency drive test systems, requiring multi-processor collaborative calculations to simulate complex loads.
        • Dual Bus Support: Simultaneously supports 32-bit L bus (Local Bus) and C bus (Communication Bus), providing flexible internal connectivity.
        • High-Capacity Buffer: Equipped with 2 x 2 MB RAM (Mailbox Memory), providing independent data exchange channels for multiple processor modules.
        • Error Signal Output: Features a dedicated system fault signal relay output, which can directly trigger hardware-level alarms or interlock protection.
        • External Integration: Although primarily used for internal communication, it is often used in conjunction with CP modules to forward processed data to HMI or host computer via PROFIBUS DP or Ethernet.
        • Industrial Compliance: Designed to meet the high reliability standards of the Siemens SIMADYN D series, suitable for harsh industrial environments requiring 24/7 uninterrupted operation.
        • Discontinuation Status Note: The manufacturer officially discontinued this model on January 10, 2017. Currently, most available parts are refurbished or from existing stock. When purchasing, confirm the supplier's warranty terms (usually 1-2 years).
        • Software Licensing: As a hardware component, its operation relies on the D7-SYS firmware and STEP 7 configuration. When replacing or upgrading, ensure compliance with the original manufacturer's End User License Agreement (EULA).
        Description
        The 6DD1611-0AG0 coupling memory module provides a large 2 * 2 Mbytes data memory for transferring data between multiple CPU modules within the same subrack. It is essential when more than one CPU module needs to exchange data via configured connections or when several CPUs access a CS7 serial interface. 

        Unlike smaller models MM11 and MM3, the 6DD1611-0AG0 features integrated bus termination for the C bus and L bus. This eliminates the need for external termination components and enhances signal integrity. 

        Data retention during power failure is handled differently on the 6DD1611-0AG0 – it relies on integrated bus termination rather than a backup battery. This design reduces maintenance overhead because there is no battery to replace.

        For applications requiring high‑speed, large‑capacity coupling between CPUs, the 6DD1611-0AG0 is the most capable option in the series. Its 2 * 2 Mbytes memory far exceeds the 2 * 64 Kbytes of the MM11 and MM3, making it suitable for data‑intensive automation tasks where reliable, high‑throughput inter‑CPU communication is critical.
        Alternative Names
        6DD1611-0AD0 6DD1611-0AF0
        Technical notes
        The 6DD1611-0AG0 integrates C bus and L bus termination directly on the module, eliminating external termination resistors and improving signal integrity in multi‑CPU subracks.With 2 * 2 Mbytes of RAM, 6DD1611-0AG0 provides 32 times more coupling memory than MM11/MM3, enabling high‑throughput data exchange between up to two CPU modules without bottlenecks.
        Exceptional Service

        Our Mission

        • 100% Satisfaction

          We believe expertise is priceless. With over 20 years of experience, and top engineers on staff, we can help you solve or avoid problems that threaten your business.

        • Trust Guaranteed

          Not only do we have a vast inventory, our team makes sure every piece of equipment is in working condition. Your purchases are also backed by our Warranty.

        • Expertise

          Time is money, especially when your equipment is down. We work quickly to get your equipment on its way so you can get it back up and running.

        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
        Can 6DD1611-0AG0 be placed in any subrack slot?
        Yes, the 6DD1611-0AG0 can be inserted in any slot between the first and second CPU module. It works with L bus and C bus systems. Ensure your subrack does not rely on battery‑backed buffering, as this module uses integrated bus termination instead.
        How much data memory does 6DD1611-0AG0 provide compared to MM11?
        The 6DD1611-0AG0 offers 2 * 2 Mbytes (total 4 Mbytes), while MM11 provides only 2 * 64 Kbytes. This 32x increase allows handling much larger data exchanges between CPUs without bottleneck.
        Does 6DD1611-0AG0 require a backup battery for data retention?
        No. Unlike MM11/MM3, the 6DD1611-0AG0 uses integrated bus termination for the C and L buses. Data buffering against power failure is achieved without a battery, reducing maintenance and eliminating battery replacement risks.
        When must I use 6DD1611-0AG0 instead of a standard module?
        Use 6DD1611-0AG0 when your subrack has more than one CPU module and they need to transfer data via configured connections or share a CS7 serial interface. Its large 2*2 Mbyte memory is essential for data‑intensive multi‑CPU coordination.

        You May Also Like

        Product Browsing History