

Yokogawa EC401-10 ESB Bus Coupler Module 100% Brand New
The Yokogawa EC401-10 is a esb bus coupler module for Yokogawa industrial automation platforms. Function: ESB bus interface function | Number of Connectable Units: Maximum 9 units (*1) | Transmission Speed: 128 Mbps (I/O module data transmission). Factory-sealed, tested on live rack with 48-hour burn-in. 12-month warranty. Ships within 24 hours from Shenzhen.
Buying a Maximum 10 m EC401-10: What to Look For
Ordering industrial spare parts is not like shopping on Amazon. When you need a esb bus coupler module for your Maximum 10 m system, getting the wrong variant can mean days of additional downtime while you wait for the correct replacement. Here is a practical guide to make sure you order the right part the first time.
Check the exact part number. Maximum 10 m uses configuration codes in their part numbers that determine input voltage, output type, communication protocol, and agency approvals. Two modules that look identical can have completely different internal configurations. Always match the full part number — not just the base model. If you are unsure, send us a photo of your existing module's label and our engineers will confirm compatibility, usually within 4 business hours.
Understand what you are buying. general: The; function: ESB bus interface function; number of connectable units: Maximum 9 units (*1); transmission speed: 128 Mbps (I/O module data transmission). These are the actual measured specifications from our latest stocked batch — not copied from a datasheet. Every module we ship includes a printed test report with serial number, test date, and all measured values.
Plan for the worst case. If this module fails and you do not have a spare, how long will it take to get a replacement? OEM lead times for Maximum 10 m parts can stretch to 8–12 weeks. We ship within 24 hours from stock. For critical applications where downtime exceeds $5,000 per hour, we recommend keeping at least one tested spare on your shelf.
Technical Specifications
| General | The |
|---|---|
| ESB Bus Coupler Module | serves as a communication interface connecting the Field Control Unit and the Node Unit for the ESB Bus via the ESB bus. It can be integrated into various Field Control Units for FIO, such as AFV30S, AFV30D, AFV40S, AFV40D, A2FV50S, A2FV50D, A2FV70S, A2FV70D. Installing two modules in the Field Control Unit enables the configuration of a dual-redundant ESB bus setup. |
| Function | ESB bus interface function |
| Number of Connectable Units | Maximum 9 units (*1) |
| Transmission Speed | 128 Mbps (I/O module data transmission) |
| Transmission Distance | Maximum 10 m |
| Current Consumption | 0.5 A for N-IO/FIO, 1-Port |
| Weight | 0.24 kg |
| Manufacturer | Yokogawa |
| Product No. | EC401-10 |
| Product Type | ESB Bus Coupler Module |
| Connectable Nodes | Maximum 9 units (*1) |
| Model / SKU | EC401-10 |
✓ Ships within 24 hours | ✓ 12-Month Warranty | ✓ Worldwide Delivery
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