Contact systems

Our maintenance-free slip ring assemblies offer the highest levels of precision and reliability. They offer excellent transmission quality and durability, guaranteeing loss-free signal and power transmission even under extreme conditions.
Advanced technologies, such as our gold/gold technology, which is specially designed to transmit the finest currents and signals, ensure that your systems always operate at maximum efficiency.
The basis for this quality is perfect adaptation to your specific requirements, which we guarantee through intensive consultation and many years of experience.
Slip ring assembly as a closed system
The SRK series from Rie-Tech consists of closed components with their own bearings, which have IP 64 protection as standard.
These slip ring assemblies are robust and offer reliable protection against external influences, making them ideal for demanding industrial applications. The SRK components are versatile and can be customized to suit different requirements, including different shaft and flange designs.
Due to their enclosed design, they offer excellent stability and durability, even in harsh environments. This type series enables easy mounting on your system and is therefore a flexible solution for different application scenarios. The components are customized according to the customer’s specific requirements in terms of the number of poles, current load and type of signals to be transmitted.
A particular strength of the SRK series is the option of integrating media transmitters for air, water or hydraulic oil, which makes this series particularly versatile.

Slip ring assembly with through hole
The SRW series is specially designed for applications where a through-hole is required so that they can be mounted on a shaft.
These slip ring assemblies are also closed components with their own bearings and have IP 64 protection as standard. They offer the same robust features as the SRK range, but with the added flexibility of the through-hole for easy integration into existing systems.
This type series is ideal for applications that require a higher load capacity and flexibility. The SRW slip ring assemblies can be customized to the customer’s specific requirements, including pole count, current load and signal transmission.
The through-bore makes the size of these slip ring assemblies larger, which makes them a slightly more expensive solution. However, they are an excellent choice when the SRK type series is not suitable due to space or installation requirements.

Planar or pancake slip ring assembly as a Closed or Open System
The SRP Series is the ideal choice for applications where a short overall length is required and only space is available in the diameter. The SRP includes both possibilities, closed and open systems designed to meet specific requirements.
SRP slip ring assemblies are characterized by the radial arrangement of the slip rings, which allows a compact design in terms of length.
SRP slip ring assemblies are designed to meet specific customer requirements and offer adaptability in terms of number of poles, current load and signal transmission.
The use of gold/gold transfer technology also ensures high contact quality and reliability.

Open system for special applications
Rie-Tech’s SRO series are slip ring assemblies supplied without a housing. These components are intended for applications where the user is responsible for protection and assembly.
The SRO Series has been specifically designed for demanding installation spaces and can be designed in a variety of transmission technologies such as gold/gold, high speed or conventional carbon brush technology.
This flexibility makes the SRO Series the preferred choice for projects that require a customized solution.
projects that require a bespoke solution.
This type is ideal when enclosed components cannot be used and customization is a priority.


BC-Pi Plus
The BC-Pi Plus extends the Prime model with interfaces such as RS232/RS485 and a native CAN interface and is therefore ideally suited for IPC CAN applications. USB 3.0, Gibabit Ethernet, WLAN and Bluetooth (optional) make the Raspberry Pi-based box PC the automation solution for the future.
Features:
- Up to 8 GB RAM / 32 GB Flash
- 2x Host USB 3.0, 1x Host USB 2.0
- 1x CAN bus
- 1x RS232 / RS485
- 1x uSD (SDXC)
- Compatible with Berghof’s entire standard portfolio
- Integrated EtherCAT communication system
- Industrial temperature ranges
- Raspberry Pi OS
- CODESYS standard
- WLAN & Bluetooth optional
- Compute Module 4
- Certificates for international use are available

BC-Pi Plus
The BC-Pi Plus extends the Prime model with interfaces such as RS232/RS485 and a native CAN interface and is therefore ideally suited for IPC CAN applications. USB 3.0, Gibabit Ethernet, WLAN and Bluetooth (optional) make the Raspberry Pi-based box PC the automation solution for the future.
Features:
- Up to 8 GB RAM / 32 GB Flash
- 2x Host USB 3.0, 1x Host USB 2.0
- 1x CAN bus
- 1x RS232 / RS485
- 1x uSD (SDXC)
- Compatible with Berghof’s entire standard portfolio
- Integrated EtherCAT communication system
- Industrial temperature ranges
- Raspberry Pi OS
- CODESYS standard
- WLAN & Bluetooth optional
- Compute Module 4
- Certificates for international use are available

BC-Pi Plus
The BC-Pi Plus extends the Prime model with interfaces such as RS232/RS485 and a native CAN interface and is therefore ideally suited for IPC CAN applications. USB 3.0, Gibabit Ethernet, WLAN and Bluetooth (optional) make the Raspberry Pi-based box PC the automation solution for the future.
Features:
- Up to 8 GB RAM / 32 GB Flash
- 2x Host USB 3.0, 1x Host USB 2.0
- 1x CAN bus
- 1x RS232 / RS485
- 1x uSD (SDXC)
- Compatible with Berghof’s entire standard portfolio
- Integrated EtherCAT communication system
- Industrial temperature ranges
- Raspberry Pi OS
- CODESYS standard
- WLAN & Bluetooth optional
- Compute Module 4
- Certificates for international use are available

BC-Pi Plus
The BC-Pi Plus extends the Prime model with interfaces such as RS232/RS485 and a native CAN interface and is therefore ideally suited for IPC CAN applications. USB 3.0, Gibabit Ethernet, WLAN and Bluetooth (optional) make the Raspberry Pi-based box PC the automation solution for the future.
Features:
- Up to 8 GB RAM / 32 GB Flash
- 2x Host USB 3.0, 1x Host USB 2.0
- 1x CAN bus
- 1x RS232 / RS485
- 1x uSD (SDXC)
- Compatible with Berghof’s entire standard portfolio
- Integrated EtherCAT communication system
- Industrial temperature ranges
- Raspberry Pi OS
- CODESYS standard
- WLAN & Bluetooth optional
- Compute Module 4
- Certificates for international use are available
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