Official Siemens SIMADYN D documentation identifies this exact order code as the ITDC converter control expansion module.
Siemens 6DD1601-0AH0 is the SIMADYN D ITDC converter control expansion module documented for controlling line-commutated converters. The module combines a command stage, current controller and firing control for six-pulse converters, with output frequency up to 400 Hz. Siemens identifies it as especially suitable for SITOR power sections and specifies mounting on a PM5 or PM6 processor module. Its signal set includes SITOR, analog, binary and incremental-encoder connections. For a replacement, verify the exact processor, extension-module arrangement, encoder signal level, connector wiring and engineering project before installation; similar SIMADYN D modules should not be assumed interchangeable.
| Commercial Item | Status |
|---|---|
| Product Condition | Original new |
| Availability | In stock |
| Warranty | With 1 year warranty |
| Shipping | Worldwide shipping options available |
Condition, availability and warranty are Stockoems commercial information, not manufacturer commitments.
| Item | Officially Confirmed Information |
|---|---|
| Manufacturer | Siemens |
| Complete Part Number | 6DD1601-0AH0 |
| Product Type | ITDC converter control expansion module |
| Predecessor | PG16 |
| Controlled Converter | Line-commutated, six-pulse converter |
| Firing-Control Output Frequency | Up to 400 Hz |
| Processor Mounting | PM5 or PM6 processor module |
| Power-Section Family | Especially suitable for SITOR power sections |
| SITOR Interface | 1 |
| Analog Outputs | 2 |
| Binary Outputs | 4 |
| Binary Inputs | 4 |
| Incremental Encoder Input | 1 with zero pulse; differential signals; 15 V HTL or 5 V; up to 1 MHz; not galvanically isolated |
| Country of Origin | GERMANY |



| Confirmed Application | Procurement Consideration |
|---|---|
| Line-commutated converter control | Confirm the connected converter topology and six-pulse firing arrangement. |
| SITOR power-section applications | Match the power section, signal cable and existing firing-control design. |
| Legacy drive modernization | Review the PM5 or PM6 processor and the complete SIMADYN D rack before replacement. |
| Encoder-based current and speed functions | Verify encoder voltage level, differential wiring, zero pulse and maximum frequency. |
The reviewed Siemens SIMADYN D hardware manual confirms the exact order code and hardware function but does not state a current Product Lifecycle Management classification. This page therefore does not label 6DD1601-0AH0 Active, Classic, Obsolete or Discontinued.
It is the SIMADYN D ITDC expansion module for controlling line-commutated six-pulse converters.
The official hardware manual specifies mounting on PM5 or PM6 processor modules.
The module includes one SITOR interface together with analog, binary and incremental-encoder signals.
No. The reviewed Siemens manual states that operation of two ITDC modules on one processor is not supported.
The reviewed official manual does not provide a current lifecycle classification, so no discontinuation claim is made.
Verify the complete code, processor type, extension arrangement, encoder level, signal wiring and engineering project.
Send us the complete part number, required quantity, destination country and product label photos. Our team will check availability, condition, compatibility requirements and shipping options.
Documented checks for the submitted Siemens 6DD1601-0AH0 order code, product condition, compatibility evidence and international shipment coordination.
Model and suffix verification compares the purchase request with readable product-label evidence. The complete 6DD1601-0AH0 code, module label, suffix and processor relationship are compared before supply.
Condition confirmation and product and label photo confirmation document the visible housing, connectors, markings, packaging and included items where available.
The review considers PM5 or PM6 mounting, extension-module arrangement, SITOR connection, analog and binary signals, encoder level and the existing SIMADYN D project.
Appropriate anti-static protection, cushioning and external packaging are selected for the confirmed product configuration and shipment route.
Worldwide shipping options, shipment tracking and customs documentation are coordinated after destination and order details are confirmed. No unverified delivery date or stock quantity is promised.
Written warranty terms, the return authorization process and after-sales response channels are included in the commercial documentation.
Require exact order-code verification, readable label photographs, clear condition evidence, technical compatibility review, documented packaging and written commercial terms.
Request front, connector, nameplate and packaging photographs together with hardware revision, firmware, accessories, shipment tracking and customs-documentation details.
Mismatched prefixes, unclear labels, missing revision information, assumed interchangeability, vague return terms and unsupported delivery promises require further review.
Send the complete model, quantity, destination country and available label photos for verification, packaging and shipping review.
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Send the exact part number, quantity, destination and available label photos for condition, compatibility and shipping review.
Email: sales6@apterpower.com | WhatsApp: +86 18159889985