Product Overview
The Yokogawa EB402-10 is a high-reliability ESB Bus Coupler Module used in CENTUM VP and CENTUM CS 3000 distributed control systems (DCS). It serves as a communication interface between the Field Control ユニット (FCU) and remote I/O nodes, supporting high-speed, optical-based transmission for robust field data communication in both safe and hazardous industrial environments.
Technical Specifications
| Parameter | 説明 |
|---|---|
| モデル | EB402-10 |
| Type | ESB Bus Coupler Module |
| Function | Optical repeater / interface for ESB bus |
| Application System | CENTUM VP, CENTUM CS 3000 |
| Transmission Mode | Duplex, Optical |
| Interface Type | Fiber Optic |
| Power Supply | Supplied from control 台 base |
| Mounting | Mounted on node 台 baseplate |
| Operating Temperature | 0°C to 50°C |
| Storage Temperature | -20°C to 70°C |
| Relative Humidity | 5% to 95% (non-condensing) |
| Dimensions (W x H x D) | 144.65 x 130 x 32.8 mm |
| 重量 | 0.3 kg |
| Explosion Protection | Compliant with IECEx, ATEX (via system design) |
| Certification | Conforms to FM/CSA standards (when applied in system) |
Applications
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Petrochemical Plants: Interface for remote I/O control in classified hazardous areas.
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Power Generation Facilities: Communication backbone for control loops between main and auxiliary systems.
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Pharmaceutical Industry: Ensures safe, reliable I/O signal transmission in cleanroom environments.
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Water and Wastewater Treatment: Robust module performance in high-humidity, corrosive areas.
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Oil and Gas: Vital component for /fshore/onshore process automation systems.
Advantages
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High-Speed Fiber Optic Communication: Offers reliable, interference-resistant data transmission.
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Compact Design: Fits seamlessly into system architecture, optimizing space utilization.
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Robust Environmental Resistance: Operates under wide temperature and humidity ranges.
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System Compatibility: Fully integrates with CENTUM VP/CS 3000 DCS.
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Long-Term Stability: Designed for 24/7 industrial operation with low failure rates.
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Explosion Protection Ready: When used as part / a certified system, supports installation in Zone 2/Div. 2 areas.
FAQ Section
Q1: What is the primary function / the EB402-10 module?
A1: It serves as a fiber-optic bus coupler that links field I/O nodes to the central control 台 in Yokogawa’s DCS platforms.
Q2: Is EB402-10 compatible with CENTUM CS 3000 systems?
A2: Yes, it is fully compatible with both CENTUM CS 3000 and CENTUM VP systems.
Q3: Can the EB402-10 be used in hazardous environments?
A3: Yes, when integrated into a certified system with explosion protection compliance (IECEx, ATEX, FM, CSA).
Q4: What kind / communication does the EB402-10 support?
A4: It supports full-duplex optical communication, ensuring high-speed and noise-immune data transfer.
Q5: What is the operating voltage / the EB402-10?
A5: The module is powered through its baseplate from the control system; no external power supply is needed.
Q6: How is the module mounted in the system?
A6: It is mounted on a designated baseplate inside the system cabinet.
Q7: Does it require a specific type / fiber optic cable?
A7: Yes, it requires standard duplex fiber-optic cables specified by Yokogawa for ESB bus modules.
Q8: Is EB402-10 hot-swappable?
A8: No, the module should not be inserted or removed while the system is live in hazardous areas.
Q9: What environmental conditions can the module withstand?
A9: It operates between 0°C to 50°C and 5% to 95% RH (non-condensing).
Q10: How much does the EB402-10 weigh?
A10: It weighs approximately 0.3 kg.
Related Yokogawa モデルs (Same Series / Function)
| モデル | 説明 | Dimensions (mm) | 重量 |
|---|---|---|---|
| EB401-10 | ESB Bus Coupler Module | 144.65 x 130 x 32.8 | 0.3 kg |
| ER519-10 | ER Bus Repeater Module | 144.65 x 130 x 32.8 | 0.3 kg |
| ER510-10 | Optical ESB Bus Repeater Master | 144.65 x 130 x 32.8 | 0.3 kg |
| ER511-10 | Optical ESB Bus Repeater Slave | 144.65 x 130 x 32.8 | 0.3 kg |
| ALR111-S00 | Redundant ESB Bus Coupler Module | 144.65 x 130 x 32.8 | 0.3 kg |
| ER512-10 | Bus Isolator Module | 144.65 x 130 x 32.8 | 0.3 kg |
Popular Yokogawa モデルs (その他 Categories)
| モデル | 説明 | Dimensions (mm) | 重量 |
|---|---|---|---|
| PW402 | Power Supply Module for FIO System | 144.65 x 130 x 32.8 | 0.5 kg |
| ADV151 | Digital Input Module | 144.65 x 130 x 32.8 | 0.35 kg |
| ADV551 | Digital Output Module | 144.65 x 130 x 32.8 | 0.35 kg |
| AAI143 | Analog Input Module 4–20 mA | 144.65 x 130 x 32.8 | 0.35 kg |
| AAI543-H50 | HART Analog Input Module | 144.65 x 130 x 32.8 | 0.35 kg |
| AAR181 | Analog Output Module | 144.65 x 130 x 32.8 | 0.35 kg |
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