Product Overview
The Siemens 6DD1606-2AC0, also known as the PT20G Processor Module, is a high-performance processor unit engineered for the SIMADYN D modular automation system. This module is specifically designed to execute complex technological open- and closed-loop control tasks, arithmetic operations, and drive-related functions, including torque control and line-commutated converter management . As a cornerstone of the SIMADYN D platform, the Siemens 6DD1606-2AC0 delivers the computational power necessary for demanding industrial applications such as large-scale drive control and process automation.
At the heart of the Siemens 6DD1606-2AC0 lies a 16-bit 80C186 microprocessor operating at 20 MHz, coupled with dedicated logic for generating converter impulses . The module is constructed as a unified unit comprising a base PT20 board and a TG1 sub-module. It utilizes plug-in program memory modules (MS4x) via slot X50, which store both the user application program and the system firmware, including the real-time SIMADYN D operating system . The Siemens 6DD1606-2AC0 is a key enabler of the freely configurable, modular SIMADYN D control philosophy, allowing engineers to build powerful control solutions for a wide range of applications.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 6DD1606-2AC0 |
| Manufacturer | Siemens |
| Product Type | Processor Module (PT20G) |
| Platform | SIMADYN D |
| Processor | 16-bit 80C186, 20 MHz |
| Memory Configuration | 1MB Flash, 2MB RAM, 32KB EEPROM |
| Digital Inputs/Outputs | 16 BI, 16 BO |
| Analog Inputs/Outputs | 4 AI, 4 AO |
| Encoder Inputs | 4 channels |
| Communication Interfaces | RS485, PROFINET, Ethernet support |
| Power Supply | 24V DC |
| Operating Temperature | -25°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Weight | Approx. 0.468 kg |
| Dimensions (W x H x D) | 235 x 284 x 55 mm |
Main Features and Advantages
High-performance computing for demanding tasks: The Siemens 6DD1606-2AC0 is specifically designed to handle the intensive computational demands of drive control and process automation. Its dedicated 20 MHz processor and specialized hardware logic allow the Siemens 6DD1606-2AC0 to execute complex control algorithms with precision, making it ideal for applications like vector control in AC/DC drives . The module’s ability to process technological open- and closed-loop control tasks ensures tight regulation of critical process variables .
Versatile I/O and connectivity: The Siemens 6DD1606-2AC0 offers a rich set of integrated I/O channels, including 16 digital inputs, 16 digital outputs, 4 analog inputs, 4 analog outputs, and 4 encoder inputs . This on-board I/O capability reduces the need for additional modules in many applications. Furthermore, its support for multiple communication interfaces, such as RS485, PROFINET, and Ethernet, allows the Siemens 6DD1606-2AC0 to seamlessly integrate with a wide variety of field devices and higher-level control systems .
Modular and flexible design: The Siemens 6DD1606-2AC0 is a testament to the flexible, modular nature of the SIMADYN D system . It uses plug-in memory modules (MS4x) for program and firmware storage, simplifying software updates and application changes . This design, combined with support for graphical programming via STRUC G software, enables engineers to freely configure the Siemens 6DD1606-2AC0 to meet the specific needs of their application, from high-speed multi-axis control to complex process sequencing .
Application Field
The primary application domain for the Siemens 6DD1606-2AC0 is in heavy industrial drive control and process automation, where the SIMADYN D platform is traditionally deployed . The Siemens 6DD1606-2AC0 is extensively used in the metals industry for controlling high-performance rolling mill drives, continuous casters, and coil handling systems. Its ability to handle complex torque and speed control loops makes it indispensable for synchronizing multiple drive axes with high precision and fast response times.
Beyond metals, the Siemens 6DD1606-2AC0 plays a critical role in other demanding sectors. In the paper and pulp industry, it is used for sectional drive control on paper machines, ensuring consistent web tension and product quality. In the mining and cement sectors, the Siemens 6DD1606-2AC0 manages the drives for large conveyors, crushers, and mills. The module is also found in test stand applications for engines and turbines, and in the oil and gas industry for pipeline compressor control . As a component of a legacy system, the Siemens 6DD1606-2AC0 is primarily procured today as a spare part to maintain the operation of these critical, long-lifecycle assets .
