The Yokogawa EB401-50 serves as the central ER Bus interface master module for Yokogawa control systems. This unit initiates and manages all communication between local and remote nodes on the network. Moreover, it provides seamless data exchange using the dedicated ER bus protocol. Consequently, it forms the reliable communication backbone for various distributed control components.
Detailed Technical Specifications
The EB401-50 module combines standard networking technology with a robust industrial design. Below are its precise technical parameters for network planning and integration.
| Parameter | Specification |
|---|---|
| Manufacturer & Model | Yokogawa EB401-50 |
| Module Function | ER Bus Interface Master Module |
| Physical Layer Standard | IEEE 802.3 10BASE-2 |
| Network Connector Type | 1 x BNC |
| Communication Speed | 10 Mbps |
| Max. Segment Distance | 185 meters (with YCB141 cable) |
| Power Consumption | 0.7 A |
| Module Weight | 0.3 kg |
Core Functionality and System Integration
As the master device, this module actively polls and controls all connected ER Bus slave devices. Therefore, it ensures deterministic and timely data acquisition from remote I/O units and other nodes. Additionally, its 10BASE-2 coaxial interface provides a simple and reliable network topology for industrial environments.
The maximum segment distance of 185 meters allows for flexible device placement within a control area. Furthermore, integrating the EB401-50 is essential for modernizing or maintaining legacy Yokogawa systems. For complete loop protection, engineers often specify complementary safety devices like the RMS-TSG-TZ-C Static Trip unit.
Engineered for Deterministic Network Performance
Choosing the Yokogawa EB401-50 means ensuring stable and orderly communication within your control architecture. Its master role guarantees that critical process data from devices, such as a PR6423/128-110 vibration sensor, is collected reliably. Ultimately, this module is a key component for building and maintaining a high-integrity Yokogawa control network.
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