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The Siemens 6DD1606-2AC0, also identified by the spare model designation PT20G, is a high-performance processor module designed for use within the Simadyn D industrial automation platform. As a core component for complex control tasks, this 16-bit module provides reliable computational capabilities for demanding industrial environments.
This processor module is primarily utilized in large-scale drive control and process automation systems where the Simadyn D platform is deployed. It serves as a critical processing unit for managing high-speed control loops and complex signal processing tasks in heavy industrial sectors, including metal rolling mills, paper processing, and large-scale power generation infrastructure.
| Model | 6DD1606-2AC0 |
| Spare Part Designation | PT20G |
| Architecture | 16-bit |
| Clock Frequency | 20 MHz |
| Manufacturer | Siemens |
| Product Status | Discontinued by Manufacturer |
Is this module still being manufactured by Siemens?
No, the 6DD1606-2AC0 is currently discontinued by the manufacturer. We provide this unit as a reliable spare part for legacy system maintenance.
What is the primary function of the PT20G module?
The PT20G is a 16-bit processor module used to execute control logic and data processing within the Simadyn D automation environment.

Quick dispatch from our global inventory to reduce downtime and ensure uninterrupted operations.
All parts are sourced from reputable manufacturers and undergo thorough quality checks.
Extensive stock of industrial automation and discontinued parts, ready for immediate shipment.
Every product — including obsolete items — is covered by a 12-month warranty and 30-day return guarantee.
All product names, trademarks, brands, and logos mentioned on this website are the property of their respective owners.These names and trademarks are used for identification and reference purposes only.We are an independent supplier of industrial automation spare parts.We are not an authorized distributor, dealer, or representative of any manufacturer.Products supplied may include surplus inventory or unused items.We do not claim any affiliation with or endorsement by the original manufacturers.