Yokogawa EC401-11 ESB Bus Coupler Module in Stock
Automation does not wait. The Yokogawa EC401-11 is a esb bus coupler module in our Shenzhen warehouse right now. Transmission Distance: Up to 10 meters. | Current Consumption: 0.5 A. | Weight: 0.24 kg. Verified before packing. 12-month warranty.
Technical Specifications
| Number of Connectable Nodes | Maximum 9 units (*1) can be connected. |
|---|---|
| Transmission Speed | 128 Mbps (for I/O module data transmission). |
| Transmission Distance | Up to 10 meters. |
| Current Consumption | 0.5 A. |
| Weight | 0.24 kg |
| Description | The EC401 ESB Bus Coupler Module is designed for N-IO/FIO systems, featuring a single port for connectivity. It facilitates communication between the Field Control Unit (FCU) and the Node Unit via the ESB bus. The module supports various configurations and options to cater to specific requirements. |
| -5 | Standard type with no explosion protection |
| -E | Standard type with explosion protection |
| -0 | Basic type |
| -1 | With ISA Standard G3 option |
| Manufacturer | Yokogawa |
| Model / SKU | EC401-11 |
Ships within 24 hours | 12-Month Warranty | Worldwide Delivery
Understanding the Yokogawa EC401-11
If you maintain Yokogawa systems, you know that not all replacement parts are created equal. The EC401-11 is a esb bus coupler module engineered specifically for Yokogawa automation platforms. The aftermarket is flooded with modules that look identical on the outside but use inferior components internally. number of connectable nodes: Maximum 9 units (*1) can be connected.; transmission speed: 128 Mbps (for I/O module data transmission).; transmission distance: Up to 10 meters.; current consumption: 0.5 A.. We have tested clone modules side-by-side with genuine Yokogawa units — the clones typically fail within 3–6 months in continuous industrial service, sometimes taking out the backplane with them.
Every EC401-11 we sell is 100% genuine Yokogawa, with the manufacturer serial number and holographic label intact. We source from authorized distribution channels and decommissioned system tear-downs with full traceability documentation.
Before inserting this module, power down the chassis completely. Yokogawa modules are generally not hot-swappable. Verify backplane voltage with a calibrated multimeter before insertion. After installation, power up and verify the status LED shows normal operation before returning the system to service. Run the manufacturer diagnostic routine if available.
Compatible Parts — Same System
These modules share the same system family as the EC401-11. Commonly ordered together for complete rack builds or spare parts kits.
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