Process Automation Communication Solution – Yokogawa NFSB100-S01 | S1 Bus Repeat Module
Where This Product Is Used
The Yokogawa NFSB100-S01 S1 Bus Repeat Module is deployed in large-scale distributed control system (DCS) architectures where the S1 bus must span extended distances or support additional node connections beyond the standard segment limit. Typical installation environments include:
- Oil & Gas Refineries – Extending S1 bus segments across remote field junction boxes and marshalling cabinets in upstream/downstream processing units.
- Chemical & Petrochemical Plants – Maintaining signal integrity across multi-cabinet DCS rooms in continuous process environments.
- Power Generation Facilities – Connecting distributed I/O nodes in turbine control and boiler management systems built on Yokogawa CENTUM VP or CS 3000 platforms.
- Pulp & Paper Mills – Supporting long-distance bus runs between control rooms and remote process areas.
- Pharmaceutical Manufacturing – Ensuring deterministic communication in validated GMP automation environments.
- Water & Wastewater Treatment – Linking geographically dispersed field control stations within a unified CENTUM DCS network.
Technical Specifications
| Attribute | Value |
|---|---|
| Part Number | NFSB100-S01 |
| Series / Platform | Yokogawa CENTUM VP / CS 3000 |
| Module Function | S1 Bus Repeater / Signal Extender |
| Bus Type | S1 Bus (Yokogawa proprietary DCS fieldbus) |
| Form Factor | DIN-rail / rack-mount module |
| Weight | 1,380 g |
| Manufacturer | Yokogawa Electric Corporation |
| Country of Origin | Japan |
| Compatibility | CENTUM VP, CENTUM CS 3000, CENTUM CS 1000 |
Why Engineers Specify This Model
- Native S1 Bus Compatibility – Designed exclusively for Yokogawa’s proprietary S1 bus protocol, ensuring zero interoperability risk versus generic repeaters.
- Signal Regeneration – Fully regenerates bus signals rather than simply amplifying them, eliminating cumulative noise accumulation over extended cable runs.
- Transparent Operation – Operates invisibly to the CENTUM VP/CS 3000 engineering station; no additional configuration or licensing required.
- High MTBF – Industrial-grade components rated for continuous 24/7 operation in harsh plant environments.
- Compact Footprint – Minimizes cabinet space consumption in dense DCS panel installations.
- Proven Field Record – Widely deployed across Yokogawa’s global installed base in tier-1 process industries since the CS 3000 era.
Complete System Bill of Materials
The NFSB100-S01 is typically specified alongside the following Yokogawa components in a complete S1 bus extension solution:
- Yokogawa NFSB100-S01 – S1 Bus Repeat Module (this item)
- Yokogawa NFBU100 – Field Control Unit (FCU) or equivalent node controller
- Yokogawa KFCS / LFCS – Field Control Station chassis
- Shielded twisted-pair S1 bus cable (Yokogawa-specified type)
- Bus termination resistors (per Yokogawa wiring guidelines)
- 24 VDC DIN-rail power supply (Yokogawa or equivalent)
Compliance & Industry Standards
- Designed and manufactured under Yokogawa’s ISO 9001-certified quality management system.
- Compliant with IEC 61511 functional safety requirements when integrated within a certified CENTUM VP SIS architecture.
- CE marked for European market deployment.
- RoHS compliant.
- Suitable for use in SIL-rated loops when applied per Yokogawa’s functional safety manual.
Quality Assurance & Sourcing
Every NFSB100-S01 unit offered through Konmask.com undergoes a structured verification process:
- Visual Inspection – Enclosure, connector pins, and label integrity checked against OEM reference standards.
- Functional Verification – Where applicable, modules are bench-tested for bus communication continuity prior to dispatch.
- Traceability – Serial numbers and firmware revisions are logged for full supply-chain traceability.
- Packaging – Anti-static ESD packaging with desiccant; double-boxed for international freight.
- Warranty – 12-month replacement warranty against manufacturing defects.
How to Source This Part
To place an order or request a formal quotation for the Yokogawa NFSB100-S01:
- Online: Add to cart directly on this page for standard stock orders.
- Email RFQ: Send your BOM or PO to support@konmask.com for volume pricing and lead-time confirmation.
- Phone / WhatsApp: +0086 19859288691 (Mon–Fri, 09:00–18:00 CST)
- Lead Time: In-stock units ship within 1–3 business days; ex-stock orders subject to availability confirmation.
- Export: We ship globally with full export documentation (commercial invoice, packing list, COO) for customs clearance.
Application-Specific FAQ
Q: Can the NFSB100-S01 be used with Yokogawa CENTUM VP R6.x?
A: Yes. The NFSB100-S01 is backward and forward compatible across CENTUM CS 3000 and CENTUM VP platforms, including R6.x releases.
Q: How many NFSB100-S01 modules can be cascaded on a single S1 bus segment?
A: Refer to Yokogawa’s CENTUM VP Engineering Guide (IM 33S01B30-01E) for the maximum repeater cascade count per bus topology. Typically, up to 2 repeaters are supported per segment.
Q: Is this module hot-swappable?
A: Hot-swap capability depends on the specific FCU/FCS chassis configuration. Consult Yokogawa’s hardware manual for your specific station type before performing live replacement.
Q: What cable type is required for the S1 bus connection?
A: Yokogawa specifies shielded twisted-pair cable per the CENTUM wiring specification. Contact us for the exact cable part number applicable to your installation.
Q: Do you provide a Certificate of Conformance (CoC)?
A: Yes. A CoC is available upon request for all units. Please specify this requirement at the time of order.
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Contact: support@konmask.com | +0086 19859288691
