Yokogawa RB301 RIO Bus Interface Master Communication Module for CENTUM Control Systems
Yokogawa RB301 RIO Bus Interface Master Communication Module for CENTUM Control Systems
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Brand:Yokogawa Electric Item No.:Yokogawa RB301 Product Origin:Japan Product Dimensions:25 × 279 × 254 mm Product Weight:0.4 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Yokogawa RB301 Communication Module is a specialized RIO Bus Interface Master Card developed for Yokogawa distributed control architectures such as CENTUM CS and CENTUM VP. Designed for high-speed data exchange, this module acts as the central communication controller between field control stations and remote I/O networks, ensuring consistent signal transmission across complex industrial automation systems.
In large process plants, reliable communication between controllers and distributed I/O devices is critical for operational stability. The RB301 module manages the RIO bus network, coordinating data flow between up to dozens of connected devices while maintaining high transmission integrity and minimal latency.
Built for industrial reliability, the RB301 supports both electrical and optical transceivers and integrates easily into Yokogawa control racks. Its rugged design, compact installation size, and efficient communication architecture make it an essential component for mission-critical applications such as energy production, petrochemical processing, and advanced manufacturing.
Technical Specifications
Parameter
Specification
Manufacturer
Yokogawa
Model
RB301
Module Type
RIO Bus Interface Master Communication Module
Communication Bus
RIO Bus
Data Transfer Rate
Up to 10 Mbps
Supported Devices
Up to 31 devices per RIO bus segment
Connector Type
DB-37
Power Consumption
Approx. 5 W
Operating Temperature
-20°C to +60°C
Storage Temperature
-40°C to +85°C
Mounting
Rack / Control System Slot
Dimensions (L×W×H)
25 × 279 × 254 mm
Weight
0.4 kg
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Applications
The RB301 communication module is widely deployed in large-scale automation infrastructures where stable network communication between control systems and field devices is required.
Typical industrial applications include:
Distributed Control Systems (DCS)
Process automation plants
Oil and gas production facilities
Chemical processing plants
Power generation stations
Industrial manufacturing automation
Environmental monitoring systems
Large-scale control networks
Advantages
High-Speed Communication
Supports RIO bus communication with data transfer rates up to 10 Mbps, enabling rapid system response.
Reliable Network Control
Acts as the master interface for remote I/O networks, ensuring synchronized data exchange between controllers and field devices.
Industrial-Grade Design
Engineered to withstand harsh operating conditions such as temperature fluctuations, vibration, and electrical noise.
Flexible System Integration
Compatible with a wide range of Yokogawa RIO modules and automation components.
Compact Rack Installation
Space-efficient module design simplifies integration into industrial control cabinets.
Optimized for Mission-Critical Systems
Ensures stable communication in process industries where operational continuity is essential.
Technical FAQs
1. What is the primary function of the RB301 module?
It serves as a master communication interface for the RIO bus network in Yokogawa control systems.
2. Which systems support the RB301 module?
It is designed for Yokogawa CENTUM CS and CENTUM VP distributed control systems.
3. What communication protocol does it use?
The module operates on the RIO (Remote I/O) bus architecture.
4. How many devices can connect to one RIO bus segment?
A single RB301 module can support up to 31 connected devices on a bus segment.
5. What type of connectors does the module use?
The module typically uses a DB-37 RIO bus connector.
6. What is the typical power consumption?
The module consumes approximately 5 watts during operation.
7. Is the RB301 suitable for harsh industrial environments?
Yes, it is designed to operate in temperatures from −20°C to +60°C.
8. Does the module support optical communication?
Yes, depending on configuration, it can support electrical or optical transceivers.
9. What are the physical dimensions of the RB301?
The module dimensions are 25 × 279 × 254 mm.
10. What is the approximate weight of the RB301?
The module weighs about 0.4 kg.
