For over 30 years, SITOP power supplies from Siemens have stood for reliable DC power supply in industrial applications. They are considered the “heart of automation” – because without a stable power supply, every system comes to a standstill. These components play a central role in an increasingly digitalized and networked industry. Siemens is now going a decisive step further with the SITOP PDP6200.

“The new development from Vienna with the product name SITOP PDP6200 was created in response to the realization that growth was not feasible under the current market conditions,” explains Fatih Kececi, Product Owner at Siemens. This refers to challenges such as increasing complexity in the planning of control cabinets and our customers’ growing desire for simpler, scalable solutions.

“With the SITOP PDP6200, we have achieved an important innovation. It is the start of a new product category that we will continue to develop systematically – with the aim of changing industrial power supply in the long term.“

Fatih Kececi, Product Owner at Siemens

Another key finding was that until now there was no power supply in the extra-low voltage range with integrated STO (Safe Torque Off) functionality. Although conventional devices have electronically fused outputs, they do not enable safe disconnection – especially not the separation of load and logic outputs. The SITOP PDP6200 closes precisely this gap, making it a genuine pioneering product in its segment. “With this knowledge and the feedback from our customers, we finally brought the PDP6200 to life and set an important milestone in the industry and in the Siemens portfolio,” says Siemens project manager Jasmin Köhler.

“With our knowledge and the feedback from our customers, we have brought the new product to life and set an important milestone in the industry and in the Siemens portfolio.“

Jasmin Köhler, Siemens Project Manager

“PDP in the new SITOP product name stands for Power Device Protected – a solution that combines power supply, selectivity module and functional safety in an IP65 housing,” explains Factory Product Owner Mathias Jähnert from Siemens. This combination is a real novelty for SITOP. Previously, power supply, line protection and safety functions were distributed across several devices – usually housed in a control cabinet. The PDP6200 combines these three functions for the first time in a single, robust device and is marketed as a compact complete package.

Powerful power supply unit

Inside the SITOP PDP6200 is a powerful 3-phase power supply unit with 24 volts and up to 40 amps – based on the tried-and-tested SITOP PSU6200. It is supplemented by six monitored outputs: four of them for load consumers with 10 amps each (can also be connected in parallel to 2×20 A), two further outputs with a maximum of 100 watts comply with the US safety standard NEC Class 2 and are intended for control and logic circuits.

© Siemens

A key feature of the new SITOP PDP6200 is the aforementioned integrated safety function Safe Torque Off, which enables the load outputs to be switched off safely in an emergency.

A key feature is the aforementioned integrated safety function Safe Torque Off, which enables the load outputs to be switched off safely in an emergency. At the same time, control circuits remain active, which prevents restarts and data loss. This means that the PDP6200 not only replaces the power supply unit and line protection, but also an external safety relay – all in a compact IP65 housing. The dust- and splash-proof housing allows use directly on the machine, where, for example, the DC motors and control components can be supplied via shorter cables.

The PDP6200 is supplied with the highest safety level Performance Level D as standard, but can also be used flexibly in simpler applications with deactivated STO. The result is a versatile solution for modern automation environments – space-saving, decentralized, secure and efficient.

Sustainable and economical

In addition to its technical innovation, the SITOP PDP6200 also impresses with its sustainable and economical design. The elimination of a classic control cabinet and several individual components not only saves valuable space, but also significantly reduces material consumption. Fewer housing materials, less copper for cables and a smaller amount of packaging material help to conserve resources and minimize the environmental impact. The new concept also has logistical advantages: instead of ordering, storing and assembling several individual parts, customers receive a preconfigured complete appliance.

The response from the market has been very promising even before the official product launch. Customers appreciate the simple integration, the high level of functionality and the clear reduction in complexity. “With the SITOP PDP6200, we have achieved an important innovation. We see this as the start of a new product category that we will continue to develop consistently – with the aim of bringing further SITOP PDP innovations onto the market and changing industrial power supply in the long term,” says Fatih Kececi, looking confidently to the future.

Info box

Green Configuration: sustainability in the focus of product configuration

The Siemens Configuration Technologies research team in Vienna is further developing AI-supported configurators that use the SITOP PSU8600 power supply system as a model for a digital twin at product level. Products in Siemens configurators are already being optimized in terms of performance and price – and in future, sustainability aspects will also be taken into account.

Up to now, life cycle assessments (LCAs) have usually evaluated the environmental impact of a product at the level of entire product families or for exemplary product types. These assessments are often based on conservative assumptions such as continuous 24/7 full-load operation. Even minor changes in the configuration or in individual usage behavior can have a considerable ecological impact – an aspect that is becoming increasingly important.

This is precisely where the research topic “Green Configuration” comes in, which is being developed by Siemens as part of the PACE-DPP lead project (consortium lead: Virtual Vehicle Research GmbH, funded by FFG): Life cycle assessment is integrated directly into the configuration process.

© Siemens

The Siemens Configuration Technologies research team in Vienna is further developing AI-supported configurators that use the SITOP PSU8600 power supply system as a model for a digital twin at product level.

The aim is to make the environmental impact of configuration decisions transparent. During configuration, users not only receive information on system components and price, but also on the ecological impact over the entire life cycle – taking into account the planned specific use in the target application. In future, products can be optimized not only according to performance and cost, but also according to sustainability criteria such as the CO₂ equivalent. The connection of the configurator to the future DPP (Digital Product Passport) ecosystem is being prepared for automated data integration along the entire supply chain. “Together, we are shaping sustainable industrial solutions and a green future. The future of product configuration is green,” says project manager Sophie Rogenhofer from the Siemens research group, summing up the vision.

“Green Configuration” enables scalable, automated life cycle assessments as well as precise product and application-specific environmental product declarations (EPDs). The concept is being developed as a prototype based on the SITOP PSU8600 power supply system and prepared for industrial use.