
Product Description
Yokogawa EC401-50 ESB Bus Coupler Module Overview
The Yokogawa EC401-50 is an advanced ESB (Enhanced Serial Bus) coupler engineered to bridge N-IO and FIO networks within distributed process automation architectures. Delivering a robust 128 Mbps data throughput over a 10-meter transmission span, this single-port interface module ensures deterministic communication for time-critical control loops in chemical processing, oil & gas, and power generation facilities.
Technical Specifications & Performance
- Interface Type: N-IO/FIO 1-port configuration
- Data Rate: 128 Mbps sustained bandwidth
- Transmission Distance: Up to 10 meters per segment
- Network Topology: Supports cascading up to 9 units
- Protocol: ESB serial communication standard
- Operating Temperature: -20°C to +60°C
- Power Consumption: Low-power design for energy efficiency
- Mounting: DIN rail compatible
Application Scenarios & Solutions
Distributed I/O Expansion: Deploy the EC401-50 to extend your Yokogawa CENTUM or ProSafe-RS system with remote I/O nodes, reducing wiring costs while maintaining high-speed deterministic control.
Fieldbus Integration: Seamlessly integrate legacy FIO devices with modern N-IO infrastructure, enabling phased migration strategies without disrupting operational continuity.
Redundant Control Architectures: Leverage the module's reliable serial bus technology to build fault-tolerant control networks where uptime is mission-critical.
Key Benefits & Differentiators
Unlike conventional bus couplers, the EC401-50 features Yokogawa's proprietary error-detection algorithms that minimize packet loss in electrically noisy industrial environments. Its compact footprint allows installation in space-constrained control cabinets, while the hot-swappable design reduces mean time to repair (MTTR) during maintenance windows.
Related Products for Complete System Integration
| Product | Description | Link |
|---|---|---|
| Yokogawa SEC402-21 | ESB Bus Coupler with dual-port redundancy | View SEC402-21 |
| Yokogawa AIP521 | Control Bus Coupler for advanced process control | View AIP521 |
| Yokogawa SAI143-H53 | Intrinsic Safety Barrier for hazardous area integration | View SAI143-H53 |
Installation & Configuration
The EC401-50 ships with pre-configured factory defaults optimized for standard N-IO networks. Advanced users can adjust transmission parameters via Yokogawa's FieldMate configuration software to match specific network topologies or latency requirements.
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