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Product Overview
The Yokogawa RB401 RIO Bus Module is a high-performance communication interface designed to enable seamless data exchange between remote I/O modules and the central control system in Yokogawa distributed control systems (DCS). It serves as a critical component in large-scale automation applications where remote monitoring and control are essential. The RB401 facilitates reliable and high-speed communication across a distributed system, supporting multiple field devices in various industries such as power generation, chemical processing, and oil & gas.
Key Features
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Reliable Communication – Ensures stable and high-speed data transmission between I/O modules and control system.
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Remote I/O Capability – Supports distributed installations, reducing wiring complexity.
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Robust Design – Built to withstand industrial environments and provide long-term reliability.
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Easy Integration – Seamlessly integrates with Yokogawa’s CENTUM and other automation platforms.
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High Compatibility – Supports a wide range of field devices, including sensors, actuators, and other I/O systems.
Technical Specifications
| Item | Specification |
|---|---|
| Module Type | RIO Bus Module |
| Model | RB401 |
| Communication | High-speed data exchange over RIO bus |
| Input/Output | Remote I/O support |
| Power Supply | Powered via system backplane |
| Operating Temperature | 0°C to +55°C (32°F to 131°F) |
| Storage Temperature | -40°C to 70°C (-40°F to 158°F) |
| Humidity Range | 5% to 95%, non-condensing |
| Dimensions | 100 × 25.4 × 20.3 mm |
| Weight | 0.25 kg |
Industry Applications
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Power Generation – Remote monitoring and control of power plants and turbine systems.
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Oil & Gas – Data exchange between field devices in remote locations and the central control system.
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Chemical Processing – Integration with I/O modules for accurate process control in chemical plants.
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Water Treatment – Managing and monitoring remote water treatment facilities.
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Manufacturing – Distributed automation for large-scale manufacturing operations.
Advantages
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Flexibility in deploying remote I/O systems in large and distributed control systems.
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High-Speed Communication ensures fast data transfer and minimal latency in real-time control applications.
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Space-Efficient Design for easier installation and system upgrades.
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Reliability and Robustness in harsh industrial environments.
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Cost-effective solution for large-scale, distributed monitoring and control.
Frequently Asked Questions (FAQ)
Q1: What does the RB401 RIO Bus Module do?
It enables high-speed communication between remote I/O modules and the control system in distributed control applications.
Q2: Is the RB401 suitable for use in hazardous environments?
While the module itself is rugged, you must confirm specific safety requirements for your environment (e.g., Ex-certified enclosures).
Q3: What is the typical use case for the RB401?
It is typically used in large-scale industrial systems where remote I/O monitoring and control are required, such as power generation or chemical processing.
Q4: What is the power supply requirement for the RB401?
The module is powered through the system backplane.
Q5: Can the RB401 be integrated with other Yokogawa automation systems?
Yes, it is fully compatible with Yokogawa’s CENTUM and other DCS systems.
Q6: Does the module have diagnostic features?
Yes, the RB401 offers diagnostics for monitoring system health and performance.
Q7: What is the weight of the RB401 module?
It weighs approximately 0.25 kg.
Q8: What is the temperature range for operation?
It can operate in temperatures ranging from 0°C to +55°C.
Q9: Can the RB401 be used with third-party I/O modules?
Yes, it is compatible with a wide range of field devices, including third-party I/O modules.
Q10: Is the module scalable?
Yes, the RB401 is designed to scale easily with expanding systems and additional remote I/O modules.
Related Modules
| Model Number | Description |
|---|---|
| RB402 | RIO Bus Module (with additional features) |
| RB403 | RIO Bus Module (higher capacity) |
| AAI141-H53 | Analog Input Module |
| AAI143-H50 | Analog Input Module |
| AAI835-S00 S2 | Analog I/O Module |
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