Yokogawa SNT501-E3 Optical ESB Bus Repeater Slave Module

Product Introduction

The Yokogawa SNT501-E3 Optical ESB Bus Repeater Slave Module is a high-performance module engineered for extending and stabilizing ESB (Embedded System Backbone) bus communication networks. As part of Yokogawa’s advanced automation platform, it functions as an optical repeater in slave configuration, ensuring that signals are regenerated, retransmitted, and delivered with reliability over extended distances.

With its optical-based communication design, the SNT501-E3 eliminates electromagnetic interference, ensuring deterministic and stable data flow essential for mission-critical industrial applications. It is purpose-built for demanding environments in oil and gas, petrochemical, energy, water treatment, and pharmaceutical industries where continuous system availability is mandatory.

Product Specifications

Applications

The SNT501-E3 is widely deployed in critical industrial environments requiring reliable optical ESB bus communication:

• Distributed Control Systems (DCS): Provides robust communication between controllers, I/O modules, and operator workstations.

• Power Generation: Extends optical signal transmission across turbines, substations, and generator systems.

• Oil & Gas Industry: Ensures secure and fault-tolerant data transfer in upstream, midstream, and downstream operations.

• Petrochemical Plants: Facilitates uninterrupted process automation under high-EMI industrial conditions.

• Pharmaceutical Manufacturing: Supports precise monitoring and compliance in regulated environments.

• Water Treatment & Utilities: Extends backbone communication for monitoring and process optimization.

Advantages

• Optical Reliability: Fiber-optic design ensures noise-free, high-speed communication.

• Long-Distance Capability: Extends ESB bus reach without loss of data integrity.

• Redundancy Ready: Dual optical channels enable fault-tolerant configurations.

• Hot-Swappable: Module replacement is possible without system downtime.

• Deterministic Communication: Guarantees real-time, predictable data transfer.

• Compact Design: Slim form factor allows efficient rack utilization.

• Durable Performance: Engineered for harsh environmental and industrial conditions.

• Certified Compliance: Meets global EMC, safety, and environmental standards.

FAQ

1. What is the primary role of the SNT501-E3 in an ESB bus network?
   It regenerates and retransmits optical signals in slave mode to extend communication coverage.

2. Which communication protocol does the module support?
   It is designed for Yokogawa’s ESB bus protocol.

3. Does the SNT501-E3 support redundant operation?
   Yes, its dual optical ports enable redundancy to ensure fault-tolerant communication.

4. What type of medium does the SNT501-E3 use for data transmission?
   It uses optical fiber, ensuring high-speed and interference-free communication.

5. Can the module be replaced during live operation?
   Yes, it is hot-swappable, allowing replacement without shutting down the system.

6. How does the SNT501-E3 ensure communication reliability?
   By regenerating signals and using optical transmission, it prevents data loss and interference.

7. What power input does the module require?
   It operates on a 24 V DC supply.

8. Is the module compatible with Yokogawa CENTUM VP systems?
   Yes, it is fully compatible with Yokogawa’s CENTUM VP and related platforms.

9. What diagnostic tools are available on the module?
   It includes onboard status LEDs and communication integrity monitoring functions.

10. How does the SNT501-E3 handle electromagnetic interference?
    Its optical-based design makes it inherently immune to EMI, ensuring reliable performance.

Related Models (Same Series or Related)

Popular Models (Same Brand)

FAQ

1. What is the primary role of the SNT501-E3 in an ESB bus network?
   It regenerates and retransmits optical signals in slave mode to extend communication coverage.

2. Which communication protocol does the module support?
   It is designed for Yokogawa’s ESB bus protocol.

3. Does the SNT501-E3 support redundant operation?
   Yes, its dual optical ports enable redundancy to ensure fault-tolerant communication.

4. What type of medium does the SNT501-E3 use for data transmission?
   It uses optical fiber, ensuring high-speed and interference-free communication.

5. Can the module be replaced during live operation?
   Yes, it is hot-swappable, allowing replacement without shutting down the system.

6. How does the SNT501-E3 ensure communication reliability?
   By regenerating signals and using optical transmission, it prevents data loss and interference.

7. What power input does the module require?
   It operates on a 24 V DC supply.

8. Is the module compatible with Yokogawa CENTUM VP systems?
   Yes, it is fully compatible with Yokogawa’s CENTUM VP and related platforms.

9. What diagnostic tools are available on the module?
   It includes onboard status LEDs and communication integrity monitoring functions.

10. How does the SNT501-E3 handle electromagnetic interference?
    Its optical-based design makes it inherently immune to EMI, ensuring reliable performance.

Related Models (Same Series or Related)

Popular Models (Same Brand)

Excellent PLC Co., Ltd. has a large number of brand new and original PLC and DCS spare parts, with more than 60 cooperative countries. All products are guaranteed for 1 year and delivered to you by high-quality express. We are committed to using the best products and the most favorable prices to meet the needs and friendship of our customers. We have won the trust of thousands of customers, including these excellent customers.

As for the delivery time, when we receive your order requirements, we will arrange for warehouse personnel to test and verify the products. After you place the order, we will send it to you within 24 hours.