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6DD1660-0BJ0

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Siemens 6DD1660-0BJ0 is the SIMATIC TDC CP53M0 communication and coupling module for rack links between SIMATIC TDC and SIMADYN D. It uses fiber-optic master and slave connections.
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Technical specifications for 6DD1660-0BJ0

  • Manufacturer:
    Siemens
  • Part Number:
    6DD1660-0BJ0
  • Product Family:
    Siemens Simadyn
  • Product Type:
    SIMATIC TDC CP53M0 Communication Module
  • Stock:
    1
  • Product designation:
    CP53M0
  • Communication memory:
    128 KB SRAM
  • Buffer memory:
    8 MB SDRAM
  • Optical links:
    2 master and 1 slave
  • Transmission rate:
    96 Mbps
  • Slots occupied:
    1
  • Fan required:
    No
  • Power loss:
    3.1 W
  • Weight:
    0.6 kg
  • Estimated shipping dimensions:
    34.5x23x4.2cm
  • Tariff Code:
    85176200
  • 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 Link Topology Optical Coupling Rack Integration Product Applications

Features:

  • Rack coupling: Connects SIMATIC TDC and SIMADYN D racks through optical links.
  • Link roles: Provides two master connections and one slave connection.
  • Data resources: Combines 128 KB communication SRAM with an 8 MB coupling buffer.
The link role and rack sequence are as important as the complete article number.

Fiber routing and project configuration preserve the intended inter-rack data path.

The exact article is recorded by Siemens under product cancellation.

Apter Power supports Siemens 6DD1660-0BJ0 SIMATIC TDC CP53M0 Communication Module sourcing with optical-link review, technical documents, and quotations.
Siemens 6DD1660-0BJ0 SIMATIC TDC CP53M0 Communication Module 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.
  • Master links: Two optical master paths support the documented coupling arrangement.
  • Slave link: One optical slave path completes the CP53M0 topology.
  • Rack order: Project drawings should identify where each linked rack sits in the chain.
  • Topology record: Keep each optical route and remote rack identity with the module position.
  • Fiber route: Connector photographs and cable routing help confirm the installed path.
  • Transmission: The documented optical link operates at 96 Mbps with 5B/6B coding.
  • Protection: Clean, correctly seated optical connections support stable communication.
  • Fault isolation: Check fiber direction, port assignment, and remote power before condemning the coupling module.
  • Memory path: Communication SRAM and SDRAM buffer the inter-rack data exchange.
  • Slot use: The module occupies one rack slot and does not require a fan.
  • Configuration: Master/slave parameters should remain consistent with the original project.
  • TDC expansion: Supports coupling between SIMATIC TDC racks and SIMADYN D systems.
  • Legacy modernization: Useful where established rack links must remain operational during staged upgrades.
  • Spare planning: Relevant for projects retaining the documented CP53M0 optical topology.
Description
Designed for rack coupling, 6DD1660-0BJ0 is the Siemens SIMATIC TDC CP53M0 communication module used between SIMATIC TDC and SIMADYN D systems. Its optical interfaces provide the physical path for high-speed inter-rack data exchange.

The documented architecture gives 6DD1660-0BJ0 two master optical links and one slave link, together with 128 KB of communication SRAM and an 8 MB buffer SDRAM. Master and slave roles, link order, and fiber routing should match the installed project.

Siemens classifies the article as product cancellation. Apter Power can support 6DD1660-0BJ0 sourcing with the complete nameplate, rack topology, fiber arrangement, and technical documentation, helping keep the quotation aligned with the original coupling design.
Alternative Names
6DD16600BJ0 6DD 1660-0BJ0 6DD1660 0BJ0 6DD166O-OBJO 6DD166OOBJO SIEMENS 6DD1660-0BJ0 CP53M0 6DD1660-0BJ0 CP53MO
Technical notes
For 6DD1660-0BJ0, retain the SIMATIC TDC and SIMADYN rack identities, fiber topology, master or slave link role, optical-port assignment, and communication configuration. These records define how CP53M0 couples the two systems. Apter Power can compare the installed evidence before coordinating technical documents and a quotation for the exact module.
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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.
A TDC-to-SIMADYN link remains down after installing 6DD1660-0BJ0. What should commissioning compare first?
Compare the configured master and slave roles, optical port assignment, fiber direction, and remote rack identity with the original topology. A role or route mismatch can leave valid hardware offline.
6DD1660-0BJ0 is recognised in the rack but transfers no process data. Which records help separate configuration from hardware failure?
Review the communication configuration, coupling-memory assignment, link topology, and remote-node status before replacement. Recognition of the board does not confirm the complete data path.
Only one optical route is used on the installed 6DD1660-0BJ0. May unused ports be reassigned during maintenance?
Only under an approved topology change. Preserve the original port and link-role record unless engineering has documented the new route and verified both connected racks.
A fiber cable was replaced near 6DD1660-0BJ0 and communication became intermittent. What should maintenance verify?
Check the correct transmit-to-receive direction, connector seating, fiber condition, bend radius, remote interface power, and error indications before replacing the module.
The cabinet plan proposes removing airflow because 6DD1660-0BJ0 is documented without a fan. Is that sufficient?
No single module decides cabinet cooling. Retain the rack-level thermal design and assess adjacent modules, enclosure losses, and ambient conditions before changing airflow provisions.
What should an RFQ for 6DD1660-0BJ0 include for an exact optical-coupling match?
Include complete labels, both rack types, installed slot, master or slave role, optical topology, quantity, condition, destination, and required technical documents.

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