Industrial DCS Communication Solution – YOKOGAWA RB301 S2 | CENTUM Series
Where This Product Is Used
The YOKOGAWA RB301 S2 RIO Bus Interface Master Card is deployed in mission-critical distributed control system (DCS) environments across the following industries:
- Oil & Gas Refining – Acts as the RIO bus master in CENTUM-based process control cabinets, managing remote I/O communication across large-scale refinery units.
- Chemical & Petrochemical Plants – Coordinates real-time data exchange between field instruments and the CENTUM VP/CS 3000 controller, ensuring precise batch and continuous process control.
- Power Generation – Integrated into boiler management and turbine control systems where deterministic I/O bus timing is critical for safety and efficiency.
- Pulp & Paper Manufacturing – Manages distributed I/O nodes across large plant floors, reducing wiring complexity while maintaining high-speed data throughput.
- Water & Wastewater Treatment – Provides reliable bus master functionality in SCADA-integrated DCS architectures for continuous monitoring and control.
Technical Specifications
| Attribute | Value |
|---|---|
| Manufacturer | YOKOGAWA Electric Corporation |
| Part Number / SKU | RB301 S2 |
| Series | CENTUM (RIO Series) |
| Module Type | RIO Bus Interface Master Card |
| Function | Remote I/O Bus Master Communication Interface |
| Compatible Systems | YOKOGAWA CENTUM VP, CENTUM CS 3000, CENTUM CS |
| Bus Protocol | YOKOGAWA Proprietary RIO Bus |
| Form Factor | PCB Card Module (Rack-Mounted) |
| Weight | 1,540 g (approx.) |
| Condition | New / Refurbished Available – Contact for details |
| Origin | Japan |
Why Engineers Specify This Model
- Proven RIO Bus Mastery – The RB301 S2 serves as the authoritative bus master on the YOKOGAWA RIO network, ensuring deterministic scan cycles and zero-collision I/O arbitration across all connected remote nodes.
- CENTUM Ecosystem Compatibility – Designed exclusively for YOKOGAWA CENTUM architecture, guaranteeing seamless integration without custom configuration or third-party middleware.
- High Reliability in Harsh Environments – Engineered to IEC industrial standards, the card maintains stable operation under wide temperature ranges, vibration, and EMI conditions typical of process plants.
- Reduced Wiring Overhead – By centralizing remote I/O bus management, the RB301 S2 significantly reduces field wiring costs and simplifies cabinet layouts.
- Long Product Lifecycle Support – YOKOGAWA’s CENTUM platform is supported for decades; sourcing genuine RB301 S2 cards ensures continued system availability and spare parts compliance.
Complete System Bill of Materials
The RB301 S2 is typically specified alongside the following YOKOGAWA CENTUM components:
- YOKOGAWA RB401 – RIO Bus Interface Slave Card
- YOKOGAWA RB501 – Remote I/O Node Unit
- YOKOGAWA ACM11 / ACM12 – Communication Module
- YOKOGAWA AIP588 – I/O Power Supply Module
- YOKOGAWA AIP578 – Redundant Power Supply Unit
- YOKOGAWA CENTUM VP Engineering Station (EWS)
- YOKOGAWA FCS (Field Control Station) Chassis
Contact our team for bundle pricing and system-level sourcing support.
Compliance & Industry Standards
- Designed and manufactured in compliance with IEC 61511 (Functional Safety – Process Industry)
- Meets IEC 61131 programmable controller standards for industrial automation
- Compatible with ISA-5.1 instrumentation and control system documentation standards
- YOKOGAWA CENTUM platform holds TÜV SIL 2/3 certification for safety-critical applications
- RoHS-compliant manufacturing processes (verify specific revision with Konmask team)
Quality Assurance & Sourcing
At Konmask.com, every YOKOGAWA module undergoes a structured verification process before shipment:
- Visual Inspection – PCB, connectors, and labeling checked against OEM specifications
- Functional Verification – Where applicable, modules are bench-tested for communication integrity
- Authentic Traceability – We source directly from authorized distributors and verified industrial surplus channels
- Secure Packaging – Anti-static ESD packaging with foam cushioning for international freight
- Documentation – Datasheet, test report, and certificate of conformance available on request
How to Source This Part
- Click Add to Cart or Contact Us for a formal quotation (RFQ).
- Provide your project timeline, required quantity, and destination country.
- Our team will confirm stock availability, lead time, and shipping options within 24 hours.
- Payment via T/T bank transfer, PayPal, or trade assurance accepted.
- Worldwide shipping via DHL, FedEx, or UPS with full tracking and export documentation.
Application-Specific FAQ
Q: Is the RB301 S2 compatible with CENTUM VP R6?
A: The RB301 S2 is designed for CENTUM CS 3000 and earlier CENTUM generations. Compatibility with CENTUM VP R6 depends on your FCS hardware revision. Contact us with your system configuration for confirmation.
Q: Can this card be used in a redundant RIO bus configuration?
A: Yes. YOKOGAWA supports dual RIO bus master configurations for high-availability systems. The RB301 S2 can be paired in a primary/secondary arrangement with appropriate FCS chassis support.
Q: What is the lead time for the RB301 S2?
A: In-stock units ship within 1–3 business days. For out-of-stock scenarios, typical lead time is 2–6 weeks depending on sourcing channel. Contact us for real-time availability.
Q: Do you provide a warranty?
A: Yes. Konmask.com offers a 90-day functional warranty on all verified modules. Extended warranty options are available for project-based procurement.
Q: Can you supply multiple units for a plant-wide spare parts program?
A: Absolutely. We specialize in bulk and project-based sourcing for industrial automation spare parts. Request a formal BOM quotation via [email protected].
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Original Source: https://Konmask.com
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