Description
Bachmann SFS236C Servo Controller Module
Product Dimensions:
The Bachmann SFS236C is a high-performance safety fiber-optic module designed for Bachmann’s M1 Automation System, providing safe, deterministic communication over long distances with immunity to electromagnetic interference.
Detailed Description
The Bachmann SFS236C serves as a specialized safety communication module designed to bridge controller networks over optical fibers. Part of the Bachmann M1 safety system portfolio, it enables secure, fail-safe communication protocols across distributed automation architectures. By utilizing optical transmission, it effectively eliminates ground loops and handles long-distance data exchange across complex industrial environments.
Product Specifications
| Parameter | Value / Feature |
| Model | SFS236C |
| Manufacturer | Bachmann Electronic GmbH |
| System Compatibility | M1 Automation System |
| Interface Type | Fiber-Optic (Optical Communication) |
| Channels / Ports | 2 Transceiver Pairs |
| Fiber Type | Multimode (typically 62.5/125 µm or 50/125 µm) |
| Wavelength | 850 nm nominal |
| Max Distance | Up to 2,000 meters (depending on fiber quality) |
| Safety Standard | SIL 3 (IEC 61508) / PL e (ISO 13849-1), subject to system context |
| Operating Temperature | -30°C to +60°C |
| Power Supply | Backplane bus supplied via M1 backplane |
Key Advantages
- Electromagnetic Immunity: Optical communication renders data transmissions immune to heavy electrical noise, lightning surges, and ground potential differences.
- Extended Range: Transmits reliable safety data over distances up to 2 kilometers without requiring repeaters.
- Fail-Safe Integrity: Integrates directly into Bachmann’s safety architecture to support high safety integrity levels (SIL 3 / PL e).
- Seamless M1 Integration: Fits into standard M1 backplanes and configures directly through SolutionCenter.
Important Precautions & Handling
- Fiber Bending Radius: Respect the minimum bend radius of the fiber-optic cable to avoid signal attenuation or glass fracture.
- Cleanliness: Fiber optic connectors must be kept clean and covered with dust caps when uncoupled; contamination is the leading cause of communication drops.
- Laser Safety: Avoid looking directly into active optical ports or cable ends.
- ESD Standards: Handle the module in ESD-protected areas to prevent damage to sensitive backplane circuitry.
Primary Applications
- Wind Energy Systems: Connecting remote safety controllers in wind turbine nacelles to tower bases or offshore sub-stations.
- Maritime & Offshore: Safe communication across ship hulls and oil rigs where ground isolation is critical.
- Process Automation: Distributing safe I/O nodes across vast industrial facilities with high ambient electrical noise.
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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