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- Yokogawa
- RB401
- RIO Bus Module
- Japan
- 100 × 25.4 × 20.3 mm
- 0.25 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
- 24-Hour Service
- COO
- 3
Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Yokogawa RB401 RIO Bus Module is a specialized communication module designed for Remote I/O (RIO) systems in distributed control systems (DCS). It provides a reliable interface for high-speed data exchange between control units and remote I/O devices, ensuring precise and synchronized system operation.
This module is ideal for industrial automation environments requiring robust, modular communication infrastructure.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Yokogawa |
| Model | RB401 |
| Product Type | RIO Bus Module |
| Dimensions | 100 × 25.4 × 20.3 mm |
| Function | Remote I/O bus communication |
| Installation | Rack-mounted / Modular connection |
| Application | Distributed control systems, industrial automation |
| Compatibility | Yokogawa RIO devices, CPU modules |
Core Functional Features
The RB401 RIO Bus Module provides:
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High-speed data communication between CPUs and remote I/O modules
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Modular integration into RIO bus systems
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Reliable signal transfer for real-time process monitoring
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Coordination with Yokogawa control units and I/O modules
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Scalability for expanding distributed automation networks
Typical Industrial Applications
The RB401 module is widely used in industries requiring remote I/O control and distributed automation:
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Power generation and grid management
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Oil and gas processing and refining
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Chemical and petrochemical plants
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Smart manufacturing and industrial automation
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Large-scale DCS networks with modular I/O requirements
Key Advantages
High-Speed Communication
Ensures fast and reliable data transfer across remote I/O devices.
Modular and Scalable
Supports system expansion without redesigning existing infrastructure.
Reliable Industrial Performance
Engineered for consistent operation in harsh industrial environments.
Seamless Integration
Compatible with Yokogawa CPU modules, bus modules, and I/O devices.
System Compatibility
The RB401 RIO Bus Module integrates with:
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Yokogawa CPU modules (NFCP / CP / SCP series)
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Analog and digital I/O modules
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Communication and bus interface modules (EC / EB series)
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Rack-mounted distributed control system architectures
This ensures a flexible and scalable automation system configuration.
Recommended Alternative Models
| Model | Product Type | Application |
|---|---|---|
| RB402 | RIO Bus Module | Extended RIO network support |
| EB501-50 | Bus Interface Module | CPU-to-I/O communication |
| EC402-51 | Bus Coupler Module | Bus expansion and connectivity |
| NFCP100-S01 | Autonomous Controller CPU Module | Mid-range distributed control |
| NFCP501-W06 | Autonomous Controller CPU Module | High-end distributed control |
Technical FAQs
What is the function of the RB401 RIO Bus Module?
It provides high-speed communication between CPU modules and remote I/O devices within distributed control systems.
Is it compatible with all Yokogawa CPU modules?
Yes, it integrates with NFCP, CP, and SCP series CPU modules.
Where is this module typically installed?
It is installed as part of a RIO bus system within a rack-mounted distributed control system.
Can the RB401 module support system expansion?
Yes, it is designed for modular and scalable integration in distributed automation networks.