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Product Overview
The Yokogawa EB401-10 S1 is an ER Bus Interface Master Module designed specifically for integrating remote ER Bus Node Units with ESB Bus Node Units or Compact Field Control Units (FIO systems). It enables high-speed, reliable communication in distributed control systems (DCS), offering robustness and flexibility for demanding industrial automation environments. This module supports dual-redundancy configurations, ensuring enhanced system reliability and uptime.
The EB401 module is housed in a compact form factor and employs a 10BASE2 physical layer interface for connectivity. It is particularly well-suited for use with Yokogawa’s flagship CENTUM VP and ProSafe-RS systems, delivering critical communication functions in process industries such as oil & gas, power generation, and petrochemicals.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | EB401-10 S1 |
| Function | ER Bus Master Communication Module |
| Bus Interface | ER Bus (for remote I/O communication) |
| Physical Layer | IEEE 802.3 10BASE2 |
| Communication Speed | 10 Mbps |
| Connector Type | BNC |
| Transmission Distance | Up to 185 m (using YCB141 cable) |
| Redundancy Support | Yes (dual-redundant configuration supported) |
| Current Consumption | 0.7 A |
| Installation Compatibility | ESB Bus Node Units: ANB10S, ANB10D |
| Compact Field Control Units: AFF50S/D, AFV10S/D | |
| Standard Options | G3 ISA Environmental Option |
| Explosion Protection | Available (-E suffix) |
| Dimensions (W x H x D) | 144.65 x 130 x 32.8 mm |
| Weight | 0.3 kg |
Applications
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Distributed control systems (DCS) in process automation
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Oil and gas processing plants
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Chemical and petrochemical facilities
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Power generation and utilities
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Water treatment systems
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High-availability field control systems
The EB401 is ideal for projects requiring high-speed and reliable communication between local and remote units over long distances. With its support for redundancy and explosion-proof variants, it fits both standard and hazardous industrial environments.
Advantages
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Robust Communication: Utilizes IEEE 802.3 10BASE2 standard with shielded BNC connections, supporting up to 185 meters of transmission.
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Flexible Deployment: Compatible with multiple Yokogawa node units including ESB and Compact Field Control Units.
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Dual-Redundancy Support: Ensures system reliability through redundant ER bus configurations.
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Explosion-Proof Variant: Optional model (-E suffix) designed for hazardous area applications.
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Compact Design: Small footprint saves panel space, making it suitable for space-constrained installations.
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Environmentally Durable: G3-compliant variant offers resistance to corrosive gases and harsh environments.
FAQ (Frequently Asked Questions)
Q1: What does the EB401-10 S1 module do?
A1: It acts as the ER Bus master interface to connect remote ER Bus Node Units to local or compact field units in Yokogawa’s DCS systems.
Q2: Can EB401 be used in explosive environments?
A2: Yes, the -E suffix variant of the EB401 is designed for use in explosive or hazardous areas.
Q3: What type of cable and connector does it use?
A3: It uses BNC connectors and supports YCB141 ER bus cable, conforming to IEEE 802.3 10BASE2.
Q4: Is redundancy supported with this module?
A4: Yes, two EB401 modules can be installed for a dual-redundant ER bus configuration.
Q5: What is the maximum communication distance supported?
A5: The maximum distance is 185 meters when using the designated ER bus cable (YCB141).
Q6: Can it be used with both ESB Bus Node and Compact Field Control Units?
A6: Yes, it is compatible with ANB10S/D, AFF50S/D, and AFV10S/D units.
Q7: What is the power consumption of this module?
A7: The module consumes approximately 0.7 A.
Q8: Are terminators and connectors included?
A8: Yes, each module is supplied with one T-type connector (YCB146) and two terminators (YCB148).
Q9: What is the physical size of the EB401?
A9: The dimensions are 144.65 mm x 130 mm x 32.8 mm.
Q10: How much does the EB401 weigh?
A10: The module weighs approximately 0.3 kg.
Related or Similar Models
| Model | Description | Bus Type | Communication | Redundancy Support | Dimensions (mm) | Weight |
|---|---|---|---|---|---|---|
| EB401-10 S1 | ER Bus Interface Master Module | ER Bus | 10BASE2 | Yes | 144.65 x 130 x 32.8 | 0.3 kg |
| EB401-10 S1-E | Explosion-proof ER Bus Master Module | ER Bus | 10BASE2 | Yes | 144.65 x 130 x 32.8 | 0.3 kg |
| EB402-10 | ER Bus Interface Slave Module | ER Bus | 10BASE2 | N/A | Similar form factor | ~0.3 kg |
| ANB10S | ESB Bus Node Unit (Standard) | ESB Bus | Internal Comm | Yes | Chassis mounted | Varies |
| ANB10D | ESB Bus Node Unit (Dual) | ESB Bus | Internal Comm | Yes | Chassis mounted | Varies |
| YCB141 | ER Bus Cable | N/A | N/A | N/A | Custom lengths | N/A |
Popular Yokogawa Models
| Model | Description | Application | Dimensions (mm) | Weight |
|---|---|---|---|---|
| ADV551-P00 | Digital Output Module | Output signal transmission | 130 x 140 x 30 | 0.2 kg |
| AAI543-H50 | Analog Input Module (HART, 8ch, isolated) | Analog signal acquisition | 130 x 140 x 30 | 0.3 kg |
| PW402-S2 | Power Supply Module | System power supply | 130 x 140 x 35 | 0.5 kg |
| CP451-10 | Processor Module | Control computation | 144.65 x 130 x 32.8 | 0.4 kg |
| AAR181-S50 | Remote I/O Module | Distributed I/O acquisition | 144.65 x 130 x 32.8 | 0.3 kg |
| ATK4A-00 | Terminal Block for FIO | Field wiring connection | Varies | ~0.1 kg |
