High-tech companies rely on the precision and reliability of Rosenbergerβs high quality products. The Rosenberger group invests strategically in the development of new high-quality products, in the most advanced manufacturing and business processes, in resource conservation and environmental protection.
Rosenberger products stand for precision, durability and quality at the highest level. The company has considerable expertise in the automotive sector from two decades of designing and producing both customized solutions and standard products.
The future with 5G connections for fast, secure and efficient data exchange
The Rosenberger Group, as a development partner in the field of industrial measurement technology, designs and manufactures high-quality precision products for use in various measurement technology applications.
Rosenberger is an experienced connection solutions partner to customers in the Industrial sectors. With a global presence, the company provides a comprehensive portfolio of innovative, high quality connection products backed by extensive professional services.
Rosenbergerβs proven solutions competence ensures the delivery of reliable, innovative, high precision connectors for use in medical hardware and software components.
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Intelligent business processes in the industrial sector require professional end-to-end solutions. Rosenberger serves the entire process chain with sophisticated hardware and software while also providing associated services for the respective business environments.
The companyβs custom machining capability is highly impressive, providing maximum flexibility and resilience in terms of capacity utilization and logistics. In addition to extensive problem-solving, the Rosenberger Group offers production processes that are tailored to specific customer requirements.
As a renowned manufacturer, the name Rosenberger is associated with the most advanced technology, quality and creativity. The Rosenberger Group provides a wide range of standardized and customized connectivity solutions in high-frequency and fiber optic technologies.
Rosenberger designs and manufactures connectors that are engineered to reliably transmit data and power in numerous types of applications with various requirements.
Regardless of whether standard or custom assembly, Rosenberger develops and manufactures fit-for-purpose cable assemblies for signal-, data- and power transmission.
To fulfill the highest demands of R&D, test labs, or quality assurance departments, Rosenberger offers a comprehensive range of high-precision RF test & measurement products.
The demand for high-speed data transmission in global mobile networks continues to grow rapidly. The choice of connectivity products or solutions between the BBU/PSU, RRH and antenna is an essential key element to achieve the best network performance.
Rosenberger offers a wide range of specialist tools and accessories including those for crimping and handling crimp inserts, as well as torque wrenches and various extraction tools and accessories.
Rosenberger provides customized solutions β cost-optimized and timely β from the initial idea right through to volume production.
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Single Pair Ethernet (SPE) is an Ethernet technology that enables data transmission over a single twisted pair of wires. In combination with Power over Data Line (PoDL), data and power can be transmitted over the same pair. SPE provides seamless, IP-based communication from the sensor to the cloud.
In industrial applications, SPE enables Ethernet connectivity for sensors, actuators, and other field devices while helping reduce cabling complexity, space requirements, and weight.
Industrial networks increasingly need to integrate sensors, actuators, and other field devices directly into Ethernet-based systems. At the field level, limited installation space, long transmission distances, increasing device density, and growing cabling requirements can become critical factors in system design.
Single Pair Ethernet enables Ethernet communication over a single twisted pair all the way to the field level. This allows field devices to be seamlessly integrated into Ethernet-based networks and can eliminate the need for additional gateways between different communication technologies. Depending on the Ethernet physical layer used, SPE supports different data rates, transmission distances, and network architectures.
Combined with standardized connectors and Power over Data Line (PoDL), SPE can simplify device integration and reduce cabling requirements in industrial networks.
Since 2012, Rosenberger has been developing differential high-speed connector systems for Ethernet-based communication in automotive applications. Solutions such as MTD® and H-MTD® are designed for space-constrained installations as well as demanding mechanical and environmental conditions.
Rosenberger applies this expertise in differential high-speed data transmission and connector development specifically to industrial applications. The experience gained in the automotive sector contributes to the development of connectivity solutions for industrial Single Pair Ethernet applications and supports the implementation of high-performance SPE networksβfrom development through implementation.
IEC 63171-7 ED2 defines a standardized mating interface for Single Pair Ethernet connections in industrial applications. The standard provides a common foundation for the development and integration of industrial SPE devices and networks.
For users, device manufacturers, and system integrators, standardization offers key benefits:
Together with other members of PROFIBUS Nutzerorganisation (PNO), Rosenberger actively contributes its connectivity expertise to the standardization process.
Single Pair Ethernet (SPE) connectors reliably transmit both data and power (PoDL) over a single twisted pair.
This makes them ideal for industrial applications with high device density and limited installation space.
Thanks to international standards (IEC 63171), sensors, actuators, and other devices can be seamlessly integrated into Ethernet networks.
Power over Data Line (PoDL) enhances Single Pair Ethernet (SPE) by enabling data and power transmission over the same pair of wires. This allows compatible SPE end devices to receive power through the data line, eliminating the need for a separate power cable. As a result, PoDL enables compact, space-saving cabling concepts for industrial applications.
Technical Characteristics of PoDL
*Available power levels and transmission distances depend on the selected PoDL class and the specific system design.
The corresponding power classes are defined in IEEE 802.3, allowing the power supply for SPE end devices to be designed according to the requirements of the specific application.
Modern Manufacturing Requirements
Seamless communication from the sensor to the cloud is an important prerequisite for using process data efficiently and increasing transparency across production processes. At the same time, a growing number of field devices must be integrated into existing IT and OT infrastructures.
Different Communication Levels
In factory automation, different communication technologies and interfaces are used at the field, control, and IT levels. Additional transitions between these levels increase the complexity of the network infrastructure and make seamless data exchange more challenging.
Ethernet Communication Down to the Field Level
Single Pair Ethernet (SPE) extends Ethernet-based communication down to the field level, enabling the connection of sensors, actuators, and other field devices.
SPE therefore supports seamless communication between field-level, control-level, and higher-level systems while simplifying the integration of field devices into Ethernet-based networks.
Requirements for Modern Robotics
In robotics, fast and reliable data transmission is essential for precise control, short response times, and complex motion sequences. At the same time, limited installation space, low weight, and highly dynamic motion place specific demands on cabling.
Mechanical Requirements for Cabling
Cable diameter, weight, bend radius, and mechanical stress influence the design of cabling for robotic applications with moving components. Compact cabling solutions optimized for motion are particularly important in applications with limited installation space and repetitive motion sequences.
Compact Data Transmission for Moving Applications
Single Pair Ethernet (SPE) enables Ethernet-based data transmission over a single twisted pair. Compared with multi-pair Ethernet cabling, SPE can enable more compact and lightweight cabling solutions.
This makes SPE particularly relevant for moving and space-constrained applications where cable diameter, weight, and installation space are important factors in the mechanical design.
Requirements of Increasing Device Diversity
As automation continues to advance, the number of connected sensors and actuators is increasing. Different requirements for data rates, transmission distances, and network topologies must be considered alongside compact designs and limited installation space.
Connectivity Down to the Sensor and Actuator Level
Integrating a growing number of field devices places increasing demands on network infrastructure. In particular, longer transmission distances and varying communication requirements may require additional components and cabling.
Ethernet Connectivity for Field Devices
Single Pair Ethernet (SPE) enables Ethernet-based communication over a single pair of wires down to the sensor and actuator level. Depending on the physical layer used, SPE supports different data rates, transmission distances, and network topologiesβwith certain variants supporting distances of up to 1,000 meters.
This allows sensors and actuators to be integrated into Ethernet-based networks according to their specific communication requirements. When required, Power over Data Line (PoDL) also enables data and power to be transmitted over the same pair of wires.
The Single Pair Ethernet System Alliance e.V. and the SPE Industrial Partner Network e.V. have merged to form the Single Pair Ethernet Association. The new organization brings together the activities of both networks with the goal of strengthening international collaboration and supporting the continued adoption of Single Pair Ethernet in industrial applications.
Rosenberger is a founding member of the former Single Pair Ethernet System Alliance and has been committed to the standardization of industrial SPE interfaces for many years. IEC 63171-7 Ed. 2 provides a standardized mating interface that supports interoperability between components from different manufacturers.
The consolidation of the two organizations and the harmonization of the interface provide a clearer framework for device manufacturers, system integrators, and users when developing and implementing standardized SPE infrastructures.
SPE transmits both data and power (Power over Data Line β PoDL) via a single twisted pair instead of four pairs used in traditional Ethernet. This enables simpler, lighter, and more cost-efficient network infrastructures - from the field level to the cloud.
Yes, SPE is compatible with classic Ethernet architectures. By using media converters or switches with SPE ports, it can be integrated into existing networks. Standardized SPE connectors ensure interoperable and seamless communication.
The right connector depends on the application environment. For consistent and future-proof communication, standardized SPE connectors should be used.
Non-standard versions can be suitable for specialized use cases, but standardized SPE connectors according to IEC 63171-7 ED2 ensure long-term compatibility, interoperability and investment security.
Yes. Power over Data Line (PoDL) allows simultaneous transmission of data and power over the same pair of wires.
This eliminates the need for separate power supplies and simplifies network design.
On the hardware side, compatible PHYs, connectors, and cables are required. On the software side, no changes are necessary, as the Ethernet protocol remains the same.
SPE provides advantages in numerous industries, including:
The SPE ecosystem is growing: the first sensors, actuators, and controllers with SPE interfaces are already available. An increasing number of manufacturers are integrating SPE ports, particularly into industrial and IoT devices.
Product Manager Industries
Thomas Keller
Rosenberger Hochfrequenztechnik GmbH & Co. KG
HauptstraΓe 1
83413 Fridolfing
Germany
Phone: +49 8684 18-1952
