Yokogawa EC401-51 | ESB Bus Coupler Module 100% New

Release time	Oct 27, 2025
Brand	Yokogawa Electric
Product Numbe	Yokogawa EC401-51
Country Of Origin	Japan
Dimensions	130 x 129.5 x 32.8 mm
Weight	0.24 kg
Condition	New & In Stock
Payment Methods	T/T, PayPal, Western Union
Lead Time	1-3 Working Days
Warranty	One Year
Courier partners	DHL, UPS, TNT, FedEx and EMS.

Request For Quotation sales@xm-automation.com

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Overview

The Yokogawa EC401-51 is an ESB (Extended Serial Bus) coupler module designed for Yokogawa FIO (Field Input/Output) systems. It serves as a communication bridge between the Field Control Unit (FCU) and node units, supporting up to 9 connected devices and configurable for redundant bus operation. This module ensures reliable data transfer for industrial automation and process control applications.

General Information

Part Number: EC401-51
Manufacturer: Yokogawa
Series: EC Series
Type: ESB Bus Coupler Module
Port: 1 ESB communication port
Compatibility: Works with AFV30S/D, AFV40S/D, A2FV50S/D, A2FV70S/D series and compatible node units
Mounting: FCU slot 7 (single bus) or slots 7 & 8 (redundant bus)
Redundancy Support: Supports dual redundant configuration for high reliability
Country of Origin: Japan

Power Specifications

Supply Voltage: 24 V DC
Current Consumption: ~0.5 A
Protection: Surge and reverse-polarity protection

Communication & Interface

Interface Type: ESB (Extended Serial Bus)
Maximum Connected Nodes: 9 devices
Data Rate: 128 Mbps for I/O module communication
Diagnostics: LED indicators for communication link and fault status
Reset Features: Supports soft and hardware reset

Environmental

Operating Temperature: 0 °C to +55 °C
Storage Temperature: −20 °C to +70 °C
Humidity: 5% to 95% RH, non-condensing
Protection Rating: IP20

Dimensions & Weight

Dimensions: 130 x 129.5 x 32.8 mm

Weight: 0.24 kg

100% authentic, brand-new products in stock — contact our support team anytime for quotes.

QDo you provide technical support or installation services?

A Yes, we offertechnical supportfor installation, configuration, and troubleshooting.

QCan I return products if they don’t meet my requirements?

A Returns are accepted within30 daysif the product is unused, unopened, and in its original packaging. Return shipping costs are the buyer's responsibility.

QHow can I ensure compatibility with my existing systems?

A If unsure, please provide yoursystem details, and our support team will verify compatibility before purchase.

QAre there discounts for new wholesale customers?

A We occasionally offerpromotional discountsfor new wholesale customers. Contact us for current offers.

QCan I purchase different quantities of a product?

A Yes, we offerflexible ordering options, whether you need a single unit or a large batch.

QWhat payment methods do you accept for wholesale orders?

A We accept various methods, includingbank transfers (T/T), letters of credit (L/C), and more upon agreement.

QCan I get discounts for bulk purchases?

A Yes, we offercompetitive pricingfor bulk purchases. Contact our sales team for a custom quote.

QWhat is the minimum order quantity (MOQ)?

A The MOQ is usuallyone unit. For bulk orders, please contact us for discounts and pricing details.

QHow long does shipping take?

A Shipping times vary by location. With our16 global warehouses, we strive for fast delivery. Contact us for an estimated delivery time.

QHow can I verify the product before purchasing?

A We can provide high-resolution product images upon request, and our team can arrange warehouse photos for verification.

QDoes this product come with a warranty?

A Yes, we provide a1-year warrantyand support returns and exchanges to protect your rights.

Company Information
E-mail		sales@xm-automation.com
Mobile		+8613620394314
Whatsapp		+8613620394314
WeChat		+8613620394314
Add		Room 1102, Jiuzhou Commercial Building, Siming District, Xiamen, China

Warranty Conditions

At TLNDEB PLC Co., Ltd., we are committed to ensuring the quality of our products. Our one-year warranty provides coverage for any defects in material or workmanship, excluding damages caused by deliberate misuse.

🛡️Coverage Details:

This warranty encompasses all instances of product malfunction or failure due to inherent manufacturing flaws, with the exception of intentional damage.

📝Claim Process:

To avail of warranty services, please notify us of any quality-related issues within the warranty period. We may conduct online troubleshooting and examination as needed.

🚚Shipping Assistance:

We understand the importance of prompt service. Therefore, we cover return shipping costs for warranty-related returns within the first month of supply. Within three months of supply, we cover one-way shipping costs for warranty-related returns. After three months, the customer is responsible for shipping costs both ways.

🚫Exclusions:

Unauthorized modifications, repairs, or misuse of the product.

Normal wear and tear.

Negligence.

Extreme environmental conditions beyond product specifications.

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