Description
ABB RFO810 is a redundant optical communication repeater module built for the Symphony Plus and Harmony series distributed control system (DCS) architectures. This device transparently extends the HN800 local I/O bus and the CW800 controller peer-to-peer network up to 3 km for remote site applications. Bottom line — it overcomes electrical distance limitations without modifying control logic.
Commercial Inventory Status
- Condition: Factory Sealed (New Original)
- Availability: In Stock
- Lead Time: Ready for global air freight dispatch within 2 business days
- Warranty: 12-Month Supplier Warranty
Pricing Reference: The listed price serves as a general market reference point. Actual procurement costs fluctuate based on international component availability and supply chain factors. We encourage procurement managers to request a formal quote for volume-based pricing or contract negotiations.
Technical Specifications
| Parameter | Value |
| Manufacturer | ABB |
| Control System Platform | Symphony Plus / Harmony (SD Series & HR Series) |
| Communication Protocols | HN800 Bus, CW800 Bus |
| Transmission Medium | Multimode Fiber Optic Cable (62.5/125 μm) |
| Maximum Optical Link Distance | 3 km |
| Data Transfer Rate | 4 Mbps |
| Optical Wavelength | 840 nm |
| Connection Port Type | ST style connectors |
| Operational Power Input | 24 V DC (nominal), 100 mA maximum |
Field Deployment & Global Logistics Insights
On a recent project involving a multi-bay petrochemical processing facility, setting up a star architecture deployment configuration verified that a single local HN800 bus accommodates up to four RFO810 optical links. Well, technically this unit supports hot-swappable module redundancy, but only if you utilize the matching RMU810 or RMU811 baseplates — though your mileage may vary depending on existing chassis layouts. Check the fiber attenuation ratings during field installation to verify total signal drop does not exceed -3.5 dB/km, ensuring steady optical transmission.
Transporting critical networking infrastructure modules globally means addressing specific regional communication import guidelines. Because the RFO810 contains precise optoelectronic transmission components used in infrastructure control systems, your customs broker must verify dual-use or restricted equipment classifications before sending it across borders. We execute transit using Incoterms 2020 definitions, mainly relying on FCA or CPT models, to hand buyers predictable visibility over import handling fees and domestic terminal processing. Global trade done right creates competitive advantage.
Procurement FAQ
Can the RFO810 be mixed with older Symphony fieldbus repeaters on the same bus?
Yes, it provides transparent translation; however, ensure your network termination revision matches the instructions outlined in the ABB SD Series engineering documentation.
Does the module require separate software provisioning during replacement?
No, the device acts as a hardware-level repeater. Once configured on its structural mounting base, it matches the electrical parameters of the existing field network automatically.
What precautions are taken for transit protection?
Each repeater module is enclosed in custom anti-static packaging before placement into thick export-grade cartons designed to minimize external physical impacts during international transit.
