Features:
- ESB bus interface enabling communication between Field Control Unit and Node Unit
- High-speed 128 Mbps data transmission supporting multiple connected I/O units
- Flexible redundancy configuration supporting single and dual ESB bus architectures
The Yokogawa EC401-50 S3 is designed as an ESB bus coupler module for communication between Field Control Units and Node Units within ESB bus systems. It provides a structured interface that enables data exchange across FIO-based control architectures. The Yokogawa EC401-50 S3 is installed within designated FCU slots and operates as a key communication component in the ESB bus network. Its design supports both standard and extended system configurations.The Yokogawa EC401-50 S3 supports up to 9 connectable units including ANB and ANT series modules, allowing scalable system expansion. It operates with a fixed transmission speed of 128 Mbps for I/O data communication, ensuring synchronized data handling across connected devices. The transmission distance is limited to 10 m, maintaining defined communication boundaries. The module also maintains a stable current consumption of 0.5 A during operation.
S3 can be deployed in either non-redundant or dual-redundant ESB bus setups. Non-redundant configurations use a single module in slot 7, while redundant systems require installation in both slot 7 and slot 8. It is compatible with multiple Field Control Units including AFV and A2FV series models. Proper installation must follow defined slot and module pairing rules.
The Yokogawa EC401-50 S3 also supports integration with CP471 processor modules when used with style code S3 or later. Additional system requirements include installation within a keyed metallic cabinet to meet safety and EMC standards. It is also applicable in environments using Sequence of Events Manager (SEM) when style 2 or later is used. The module is part of Yokogawa’s structured ESB bus communication system within field control applications.
The EC401-50 S3 Yokogawa ESB Bus Coupler Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Yokogawa EC401-50 S3 ESB Bus Coupler Module Manuals,Datasheets,Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Yokogawa EC401-50 S3 ESB Bus Coupler Module Specs
General
- Manufacturer Yokogawa
- Model EC401-50 S3
- Condition New Original ready stock
- Product Family EC401-51 S3,EC401-10 S2,EC401-E1 S3
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
- Slot Fixing: In the Field Control Unit (FCU), this module must be installed in dedicated slots 7 and 8.
- Redundant Deployment: For ESB bus redundancy, one identical EC401 module must be installed in each of slots 7 and 8.
- Standalone Configuration: In a non-redundant configuration, the module is installed in slot 7, while slot 8 must be fitted with an empty slot cover to meet heat dissipation and protection requirements.
- Environmental Sealing: To comply with electromagnetic compatibility (EMC) and safety standards, the module must be installed in a lockable metal cabinet.
- Processor Matching: S3 style is required for use with the CP471 processor module; older styles may not be compatible.
- Event Management: This module supports SEM (Event Sequence Manager) functionality, but in a Vnet/IP environment, Style 2 or higher is required.
- System Integration: Fully compatible with CENTUM VP series control stations, such as AFV30, AFV40, and the latest A2FV50/70 series.
- Node Expansion: A single EC401 module supports connecting up to 9 node units (such as ANB10/11), and the transmission path can be expanded via repeater modules.
- Remote Expansion: In large chemical plants, the EC401 connects to remote I/O nodes located outside the cabinet, enabling high-speed long-distance signal acquisition.
- High-Reliability Control: In critical processes such as power or petrochemical industries where downtime is not permitted, dual EC401 modules are used to build a redundant communication bus, ensuring uninterrupted control in the event of a single-path failure.
- Legacy System Upgrade: When migrating legacy systems such as CENTUM CS 3000 to CENTUM VP, the EC401 serves as a key hardware-level interface for a smooth transition to the bus architecture.
- Intensive monitoring: In complex systems requiring the connection of numerous transmitters and actuators, the EC401 can be cascaded with multiple node units to support centralized processing of up to hundreds of I/O points.