Product Description
The Yokogawa SEC402-51 S1 is a high-performance ESB Bus Coupler Module designed for integration within the CENTUM VP integrated production control system. It functions as the hardware interface between the Field Control Unit (FCU) and an ESB Bus Node Unit, enabling high-speed data transmission and real-time system synchronization.
Engineered for industrial reliability, the module supports stable backplane communication and continuous 24/7 operation in mission-critical control environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | SEC402-51 S1 |
| Function | ESB Bus Interface & Coupler |
| Power Consumption | 0.5 A @ 5 V DC |
| Installation | FCU I/O module slot |
| Transmission Distance | Up to 10 m (standard ESB cable) |
| Communication Rate | High-speed backplane synchronization |
| Dimensions (W × H × D) | 32 × 106 × 130 mm |
| Net Weight | 0.34 kg |
Functional Overview
The SEC402-51 S1 enables transparent exchange of process data and control signals between the FCU processor and distributed I/O modules. It supports deterministic communication over the ESB bus and is designed with:
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Industrial-grade EMC protection
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Optimized thermal performance
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High operational stability in control room environments
When deployed in redundant FCU configurations, paired modules provide uninterrupted communication continuity.
Application
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Expansion of CENTUM VP Distributed Control Systems (DCS)
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Connection of distributed ESB I/O nodes to central FCUs
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High-availability process automation systems
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Oil & gas, petrochemical, and chemical processing facilities
FAQ
Q: Does this module support redundancy?
A: Yes. In dual-redundant FCU configurations, SEC402-51 S1 modules operate in paired mode to maintain continuous communication if one unit fails.
| Quick Quotes | Receive price & availability FAST from our dedicated customer service team. |
|---|---|
| Delivery | Expedited, Freight, And International Shipping Available. |
| Condition | 100% New with Original Package |
| Payment | We accept American Express, Discover, MasterCard, PayPal, and Visa. Our site is secured by RapidSSL. |
| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
| Q: Is Our Pricing Competitive? |
| A: Yes, we collaborate with over 50 countries worldwide. As a top supplier in China, we offer significant discounts based on market trends. |
| Q: What Is the Warranty Period? |
| A: All our new and original products come with a standard one-year warranty. |
| Q: What Payment Methods Do We Accept? |
| A: We require 100% T/T (Telegraphic Transfer) payment before shipping. For items with a lead time, a 30% deposit is needed upfront, and the remaining 70% is due before shipping. If you have a representative in China, you can arrange an RMB transfer through them. |
| Q: What Shipping Methods Do We Use? |
| A: We primarily use FedEx, DHL, UPS, and BRE for shipping. If you have an account with any of these carriers, you can handle shipping directly. We also offer free shipping to China-based freight forwarders. |
| Q: What Is Our Delivery Time? |
| A: Delivery usually takes 1-3 days after receiving the initial payment. For items with a lead time, shipping will occur according to the specified schedule. |
| Q: How Do We Package the Goods? |
| A: We ensure safe packaging with multiple layers of protection. Products are first placed in their original boxes and sealed with labels. A layer of bubble wrap is then added for collision protection during transit. Finally, the items are packed securely in durable boxes. |
| Q: How Can Customers Contact Us and Request a Quote? |
| A: You can reach out to us via email, WhatsApp, WeChat, Skype, or your preferred communication platform. Contact us with your needs, and we'll provide a prompt, customized quote. |
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