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6DD1660-0AE0

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Siemens 6DD1660-0AE0 is a SIMADYN D CS21 communication module for slave-side parallel coupling between control-system racks.
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Technical specifications for 6DD1660-0AE0

  • Manufacturer:
    Siemens
  • Part Number:
    6DD1660-0AE0
  • Product Family:
    Siemens Simadyn
  • Product Type:
    SIMADYN D CS21 Communication Module
  • Stock:
    1
  • Module designation:
    CS21
  • Function:
    Parallel rack coupling, slave
  • Product lifecycle:
    End Product Lifecycle
  • Product class:
    Customer-/order-specific engineered product that cannot automatically be reused
  • Catalog ID:
    ST9.DA99T
  • RoHS:
    Product is not RoHS-compliant
  • Product Group:
    4315
  • Group Code:
    R111
  • Weight:
    0.48 kg
  • 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 Rack Coupling Configuration Compliance Application
  • SIMADYN D CS21 communication module for parallel rack coupling
  • Dedicated slave-side role in the configured inter-rack connection
  • Order-specific Siemens product requiring exact project compatibility

6DD1660-0AE0 is a Siemens CS21 communication module designed for the SIMADYN D control platform.

It forms the slave side of a parallel rack-coupling path so configured CPUs and interfaces can exchange data between SIMADYN D subracks.

Before installation or replacement, verify the complete order number, rack and slot, master/slave pairing, connector arrangement, project routing, and installed-system documentation.

Availability, condition, price, and shipping time for 6DD1660-0AE0 are confirmed during quotation.

Siemens 6DD1660-0AE0 SIMADYN D CS21 Communication Module Manuals, Product Family, 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.

  • The CS21 occupies the slave side of the SIMADYN D parallel rack connection.
  • The coupled system requires the project-defined master-side interface in the partner rack.
  • Master/slave assignment and interface routing are established in the SIMADYN D project.
  • Rack, slot, CPU association, and interface names must match the saved control project.
  • Configured data paths route information between CPUs and communication interfaces across subracks.
  • Connector and cable identity must be preserved when replacing the slave-side module.
  • Siemens lists Germany as the country of origin for 6DD1660-0AE0.
  • SiePortal states that the product is not RoHS-compliant.
  • Siemens classifies the article as a customer-/order-specific engineered product.
  • Slave-side parallel coupling between two SIMADYN D subracks
  • Multi-rack SIMADYN D control architectures with configured CPU data exchange
  • Inter-rack routing between SIMADYN D processors and communication interfaces
Description
6DD1660-0AE0 is a Siemens SIMADYN D CS21 communication module for parallel rack coupling.

The module provides the slave-side interface in a configured inter-rack data path, allowing SIMADYN D processors and communication interfaces to exchange data across coupled subracks.

Before installation or replacement, confirm the complete catalog number, master/slave assignment, SIMADYN D rack and slot, mating connection, project configuration, and retained system documentation.
Alternative Names
6DD1660-0AE0 6DD16600AE0 6DD 1660-0AE0 Siemens 6DD1660-0AE0 SIMADYN D 6DD1660-0AE0 CS21 6DD1660-0AE0
Technical notes
Siemens 6DD1660-0AE0 is the CS21 slave-side module; pair it only with the documented parallel rack-coupling architecture and verify backplane, slot, connector, and project configuration before replacement.
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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.
What exact coupling role must be confirmed before ordering Siemens 6DD1660-0AE0?
Siemens identifies 6DD1660-0AE0 as the CS21 communication module for parallel rack coupling on the slave side. Confirm that the installed position is the slave side documented in the original SIMADYN D project and that the complete order number matches before ordering.
What must be present on the other rack when Siemens 6DD1660-0AE0 is used?
The coupled architecture needs the corresponding master-side interface and the project-defined inter-rack connection. Confirm the partner module, rack identifiers, connectors, and configured data path from the original drawings.
Can Siemens 6DD1660-0AE0 be ordered as a standard catalog replacement without checking the original project?
No. Siemens classifies 6DD1660-0AE0 as a customer- or order-specific engineered product. Verify the original SIMADYN D project, slave-side rack-coupling role and complete order identity before ordering a replacement.
Can a spare Siemens 6DD1660-0AE0 be functionally tested outside its original paired-rack system?
Only limited hardware checks are possible independently. A meaningful communication test requires the matching master-side interface, compatible SIMADYN D racks, correct cabling, and the original project-defined data path.
Why might rack-to-rack communication remain unavailable after replacing Siemens 6DD1660-0AE0?
The fault may be on the master side, connection hardware, rack backplane, processor association, or project configuration. Confirm both racks and the complete communication path before rejecting the replacement module.
Why can Siemens 6DD1660-0AE0 establish communication while some inter-rack data remains missing?
A working physical link does not prove every data route is configured correctly. Compare interface names, CPU associations, target settings, communication function blocks, and routed-data definitions with the original SIMADYN D project.
Which project records are most important before replacing Siemens 6DD1660-0AE0?
Retain the rack and slot assignment, master/slave pairing, connector and cable identification, interface names, routed data relationships, CPU associations, and the matching SIMADYN D project backup.