Email: sales@runshengdcs.com
WhatsApp / Wechat：+86 15383419322
Phone：+86 15383419322Description
The ABB 07CR41 is a high-performance CAN Bus Communication Interface Module for ABB’s AC 800M distributed control system, enabling robust field-level device integration in industrial automation networks. Designed for deterministic data exchange, this module establishes Controller Area Network (CAN) connectivity between DCS controllers and intelligent field instruments, drives, and remote I/O. The 07CR41 operates at speeds up to 1 Mbps with galvanic isolation (1500V AC), ensuring reliable communication in electrically noisy environments like steel mills and power substations. Its dual-channel architecture supports both CAN 2.0A and 2.0B protocols simultaneously, allowing seamless integration of legacy and modern CAN devices while maintaining ≤5ms cycle times for critical control signals.
Featuring ruggedized industrial design, the ABB 07CR41 operates across -25°C to +70°C with conformal-coated PCBs resisting humidity and chemical exposure. The module implements advanced error detection with automatic retransmission, achieving >99.999% data integrity in high-interference scenarios. Compatible with ABB’s Control Builder engineering environment, it simplifies configuration of node addressing, baud rates, and message prioritization – essential for real-time applications like drive synchronization and safety interlock monitoring.
07CR41 ABB
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | 07CR41 |
| Manufacturer | ABB |
| Product Type | CAN Bus Communication Module |
| System Platform | AC 800M DCS |
| CAN Standards | ISO 11898-2 (CAN 2.0A/B) |
| Channels | 2 independent CAN ports |
| Data Rate | 10 kbps – 1 Mbps (software-configurable) |
| Isolation | 1500V AC (channel-to-backplane) |
| Error Detection | CRC-15, Frame Check, ACK Verification |
| Max Nodes | 110 per channel (with termination) |
| Message Handling | 2000 frames/second (aggregate) |
| Port Connection | 9-pin D-Sub with screw locking |
| Power Consumption | 1.8W @ 5V DC (backplane) |
| Operating Temperature | -25°C to +70°C (-13°F to 158°F) |
| EMC Immunity | 30V/m @ 80-2000MHz (IEC 61000-4-3) |
| Certifications | UL 508, CE, DNV-GL |
| Dimensions | 128mm × 55mm × 117mm |
Main Features and Advantages
Deterministic Performance: Hardware-based message filtering prioritizes critical frames (e.g., emergency stops) over routine data. The ABB 07CR41‘s dual FIFO buffers prevent frame loss during traffic bursts, while its bit timing synchronization maintains ±0.15% clock accuracy across extended networks. Automatic bus-off recovery restores communication within 128ms after severe disturbances.
Robust Connectivity: Integrated transient voltage suppressors protect against ±40V surges on CAN lines. The module’s “Listen-Only Mode” enables non-intrusive network diagnostics without disrupting operational traffic. Gold-plated connectors prevent fretting corrosion in high-vibration environments. Configurable acceptance filters reduce controller loading by 75% compared to software filtering solutions.
Application Field
The ABB 07CR41 enables real-time integration in:
Drives & Motors: Synchronizing multiple AC drives on production lines
Mobile Machinery: CAN-based control of hydraulic systems in construction equipment
Power Generation: Excitation control and governor monitoring
Marine: Engine control room communications (DNV-GL compliant)
Process Safety: Emergency shutdown system diagnostics
Material Handling: Conveyor network coordination
In paper mills, the module synchronizes section drives within 2ms for web tension control, while offshore installations leverage its corrosion resistance for drilling pipe handling systems.
07CR41 ABB
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