Building on the proven architecture of the original CRep S4, the new CRep S4/FD adds support for both Classic CAN and CAN FD, while continuing to provide flexible network topology support for industrial and embedded CAN applications.
Basic Function
Designed for Modern CAN and CAN FD Networks
The CRep S4/FD is a 4-channel DIN rail mount CAN repeater that transparently retransmits and amplifies CAN traffic without requiring protocol configuration or message filtering. Each channel behaves physically as a single CAN node, enabling flexible segmentation of CAN networks while maintaining protocol transparency.
The new design supports:
- Classic CAN and CAN FD operation
- Star and tree CAN network topologies
- Long stub lines and improved physical layer structure
- Signal conditioning over extended cable distances
- Automatic shutdown of erroneous or dominant-locked bus segments
- Low propagation delay operation
- DIN rail mounting for industrial environments
Why CAN Repeaters Matter
As CAN networks grow larger and more physically distributed, wiring topology and signal integrity become increasingly important. Repeaters can help improve robustness by segmenting networks into smaller physical domains, reducing loading effects, and simplifying complex layouts.
The CRep S4/FD is particularly well suited for:
- Industrial automation systems
- Test and measurement installations
- Machinery and mobile equipment
- Distributed control systems
- Retrofit CAN FD upgrades
- Star-structured CAN architectures
By allowing more flexible wiring layouts, CAN repeaters can often simplify installation and reduce cabling complexity compared with strictly linear bus structures.
Superseding the Original CRep S4
The original CRep S4 has been widely used in industrial CAN applications for many years. The new CRep S4/FD preserves the same core repeater concept while extending support to modern CAN FD networks and updated CAN physical layer requirements.
Existing users of the CRep S4 can now migrate to CAN FD-capable systems while retaining the same general repeater topology approach and DIN rail installation style.
Key Features
- 4-channel CAN repeater
- Supports CAN FD and Classic CAN
- Protocol transparent operation
- Low propagation delay
- Automatic isolation of faulty bus segments
- Optional 120 Ohm or high-impedance termination variants
- Rail mountable industrial form factor
- Supports star and tree network structures
Learn More
Additional product information, ordering details, and documentation are available on the official product page: