YOKOGAWA NFTR8S-00 – Foundation Fieldbus Communication Module | CENTUM VP / CS 3000 Platform
Engineering Background
The NFTR8S-00 is a dedicated Foundation Fieldbus (FF H1) communication interface module developed by Yokogawa Electric Corporation for integration within its flagship CENTUM VP and CS 3000 Distributed Control System (DCS) platforms. Designed to bridge field instrumentation and the process control network, this module enables deterministic, high-integrity digital communication across complex industrial environments — replacing legacy 4–20 mA analog loops with a fully digital, multi-drop fieldbus architecture.
Product Positioning
Targeted at procurement engineers and automation system integrators managing brownfield upgrades or greenfield DCS deployments, the NFTR8S-00 delivers plug-and-play compatibility within Yokogawa’s I/O subsystem. It is the preferred choice for facilities requiring IEC 61158-compliant fieldbus communication with native DCS integration, eliminating the need for third-party gateways or protocol converters.
Complete Technical Specifications
| Part Number / SKU | NFTR8S-00 |
| Manufacturer | Yokogawa Electric Corporation |
| Module Type | Foundation Fieldbus H1 Communication Module |
| Compatible Platform | CENTUM VP, CENTUM CS 3000 |
| Communication Protocol | Foundation Fieldbus H1 (IEC 61158 / IEC 61784) |
| Fieldbus Segments | Up to 8 independent H1 segments per module |
| Devices per Segment | Up to 16 field devices (topology dependent) |
| Transmission Speed | 31.25 kbit/s (H1 standard) |
| Power Supply | Supplied via DCS backplane (no external PSU required) |
| Isolation | Galvanic isolation per segment |
| Redundancy Support | Compatible with Yokogawa dual-redundant controller configurations |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -25°C to +70°C |
| Humidity | 5% to 95% RH (non-condensing) |
| Dimensions (W×H×D) | Standard CENTUM VP I/O module form factor |
| Weight | Approx. 700 g |
| Certifications | CE, UL, cUL; compliant with IEC 61158, IEC 61784 |
| Country of Origin | Japan |
| RoHS Compliance | Yes |
Proven Application Environments
- Oil & Gas: Upstream wellhead automation, downstream refinery DCS integration with FF-enabled transmitters and control valves
- Petrochemical & Chemical: Multi-loop process control with HART-to-FF migration projects; reactor and distillation column instrumentation
- Power Generation: Boiler management systems and turbine control networks requiring deterministic fieldbus communication
- Pulp & Paper / Water Treatment: Distributed I/O architectures with long cable runs benefiting from FF H1 multi-drop topology
- Pharmaceutical: FDA 21 CFR Part 11-compatible DCS environments with full audit trail via FF device diagnostics
Engineering Advantages
- Native DCS Integration: Seamlessly slots into CENTUM VP / CS 3000 I/O node — no external fieldbus coupler or gateway required
- 8-Segment Architecture: Maximizes I/O density; a single NFTR8S-00 can interface up to 128 field devices across 8 independent segments
- Galvanic Isolation: Per-segment isolation protects the DCS backplane from field-side transients and ground loops
- Deterministic Communication: FF H1 Link Active Scheduler (LAS) ensures time-critical process data is delivered with guaranteed latency
- Advanced Device Diagnostics: Supports FF Device Description (DD) and Field Device Tool (FDT/DTM) for predictive maintenance and remote configuration
- Redundancy Ready: Supports Yokogawa’s dual-redundant controller pairing for SIL-rated and high-availability process loops
System Architecture & Signal Flow
The NFTR8S-00 installs directly into the CENTUM VP or CS 3000 I/O node slot. Each of its 8 H1 fieldbus segments connects to a dedicated terminal block or junction box in the field. Field devices (transmitters, positioners, analyzers) communicate digitally over the two-wire FF H1 bus. The module’s onboard Link Active Scheduler manages token passing and cyclic data exchange, forwarding process values and device status to the DCS controller via the high-speed V-net/IP or ESB bus. Configuration and diagnostics are performed through Yokogawa’s Plant Resource Manager (PRM) or FieldMate software.
Sourcing & Quality Verification
- All units sourced from authorized Yokogawa distributors or verified OEM surplus channels
- Each module undergoes incoming inspection: visual check, label/firmware version verification, and functional power-on test
- Original Yokogawa packaging, documentation, and firmware revision labels preserved where available
- Traceability records maintained for every unit — batch number, source, and inspection date available on request
- 30-day return window for DOA (Dead on Arrival) units; warranty terms available upon inquiry
Procurement Process
- Confirm Compatibility: Verify your CENTUM VP or CS 3000 system revision and I/O node slot availability before ordering
- Request a Quote: Contact us at support@konmask.com for volume pricing, lead time, and availability confirmation
- Order Placement: Purchase order accepted via email or through this storefront; proforma invoice issued within 1 business day
- Shipping: DHL / FedEx / UPS express international shipping from China; typical transit 3–7 business days; EXW/CIF/DDP Incoterms available
- Documentation: Commercial invoice, packing list, and certificate of origin provided; CITES/export license available if required
Technical FAQ
Q: Is the NFTR8S-00 compatible with CENTUM VP R6.x?
A: Yes. The module is compatible with CENTUM VP R4.x through R6.x. Please confirm your system’s I/O node generation (AFV10/AFV30) when ordering.
Q: Can this module be used with third-party DCS platforms?
A: No. The NFTR8S-00 is a proprietary Yokogawa module designed exclusively for CENTUM VP and CS 3000 backplane architectures.
Q: Does the module support PROFIBUS DP in addition to Foundation Fieldbus?
A: No. The NFTR8S-00 is dedicated to Foundation Fieldbus H1 only. For PROFIBUS DP integration, refer to Yokogawa’s NFTP series modules.
Q: What is the maximum cable length per H1 segment?
A: Per IEC 61158, the maximum trunk cable length for FF H1 is 1,900 m (Type A cable). Spur lengths vary by topology; consult Yokogawa’s fieldbus engineering guidelines.
Q: Is firmware upgrade possible in the field?
A: Firmware updates are managed through Yokogawa’s system engineering tools. Contact Yokogawa service or our technical team for firmware revision compatibility guidance.
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