Description

Product Description

The Yokogawa EC401-50 S3 functions as a specialized communication bridge within the CENTUM VP and CENTUM CS 3000 Distributed Control System (DCS) architectures. This module facilitates the transmission of signals between a Field Control Unit (FCU) and various ESB Bus Node Units, such as the ANB10 and ANB11 models. By establishing this high-speed link, the module allows the controller to interface effectively with remote I/O modules, thereby extending the reach of the automation network.

In standard installations, the EC401-50 S3 occupies slot 7 of the Field Control Unit. While a single module provides reliable point-to-point communication, industrial requirements often dictate higher availability. Consequently, users can deploy these modules in a dual-redundant configuration by utilizing both slots 7 and 8. This setup ensures that if one hardware component fails, the secondary module maintains the communication link without interrupting the process control.

This specific “S3” variant is engineered for enhanced signal stability and compatibility with FIO-supported controllers. Furthermore, the module integrates seamlessly with optical repeater units like the ANT401 and ANT411. When used in conjunction with these repeaters, the EC401-50 S3 supports extended distance communication via fiber optics, which effectively isolates the system from electromagnetic interference while covering larger facility footprints.

Technical Specifications

• Manufacturer: Yokogawa Electric Corporation
• Model Code: EC401-50 S3
• Apparatus Type: ESB Bus Coupler Module
• System Compatibility: CENTUM VP / CS 3000 DCS
• Installation Location: FCU Processor Slots (Slot 7 and/or 8)
• Physical Dimensions: 130 mm x 25 mm x 32 mm
• Net Weight: 0.22 kg
• Country of Manufacture: Japan