Yokogawa EC401-10-S2 ESB Bus Coupler Module
The Yokogawa EC401-10-S2 is a high-performance ESB Bus Coupler Module engineered for Yokogawa’s industry-standard CENTUM VP Distributed Control Systems (DCS). This module serves as a critical communication interface, enabling seamless, high-speed connection between a Field Control Unit (FCU) and Extended Serial Backplane (ESB) bus node units. Built for mission-critical industrial environments, the EC401-10-S2 ensures real-time data transmission, minimal latency, and robust process continuity.
| Specifications | |
| Product Make | YOKOGAWA |
| Model Number | EC401-10-S2 |
| Module Type | ESB Bus Coupler Module |
| System Compatibility | CENTUM VP / CENTUM CS 3000 DCS Systems |
| Compatible Control Units | AFV30S, AFV30D, AFV40S, AFV40D, etc. |
| Transmission Speed | 128 Mbps |
| Max. Transmission Distance | 10 meters (using standard ESB bus cables) |
| Max. Connected Nodes | Up to 9 node units |
| Current Consumption | 0.5 A |
| Supply Voltage | 5 V DC |
| Condition | GOOD |
| Warranty | 1 YEAR |
| Country of Origin | JAPAN |
| Protection Degree | IP20 |
| Length | 31.8 mm |
| Width | 130 mm |
| Height | 130 mm |
| Weight | 240 g |









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