Yokogawa SNT401-13 Optical Bus Repeater Main Module

产品介绍

The Yokogawa SNT401-13 is a high-performance optical bus repeater main module designed to enable long-distance, high-integrity communication within distributed control systems (DCS). It forms a crucial part / Yokogawa’s sophisticated Vnet/IP and FIO (Fieldbus I/O) optical network infrastructure, acting as a backbone communication bridge to ensure seamless data transfer between remote subsystems and main controllers.

This module is engineered for critical applications requiring enhanced signal clarity and integrity over extended fiber-optic communication links. The SNT401-13 ensures minimal signal degradation, reduces electromagnetic interference (EMI), and provides safe data transmission even in electrically noisy or hazardous environments. It is specifically designed to serve as the main 件 within a repeater configuration, capable / interfacing with multiple optical or electrical submodules.

Built with robustness in mind, the SNT401-13 is compact in size, with a footprint / 142.5 x 130 x 32.8 mm and a weight / 0.3 kg, making it ideal for panel or DIN rail mounting inside control cabinets. Its design supports modular expansion and redundancy, enabling highly available and resilient communication topologies for industrial automation systems.

Product Parameters

Product Applications

The SNT401-13 optical bus repeater main module is an essential building block in distributed industrial automation networks, where long-range, high-speed, and interference-free communication is required. Its primary applications include:

• Large-scale DCS Architectures:
  In Yokogawa CENTUM VP or similar systems, the SNT401-13 bridges remote I/O nodes and control processors over fiber-optic channels to ensure stable communication over long distances.

• Electrical Noise-Prone Environments:
  Fiber-optic communication eliminates susceptibility to EMI/RFI, making it ideal for use in power plants, metal processing plants, and chemical facilities.

• Oil & Gas and Petrochemical Fields:
  Where hazardous conditions and long distances between control rooms and field instruments prevail, this module ensures safe and reliable operation.

• Redundant and Ring Network Topologies:
  支持s complex and redundant ring or star communication topologies required for mission-critical control systems.

• Modular System Expansions:
  Allows for seamless integration / new segments without disrupting the existing control network.

• Process Plants with High I/O Density:
  Especially useful in facilities where central control requires high-speed signal consolidation from distributed I/O terminals.

Product Advantages

• Superior Signal Integrity:
  Maintains high-quality signal transmission over long distances through fiber-optic lines, ensuring accurate and real-time communication.

• Compact and Lightweight:
  With a size / 142.5 x 130 x 32.8 mm and a weight / only 0.3 kg, it allows for efficient use / control cabinet space.

• High Reliability in Harsh Environments:
  Designed for rugged industrial use, resistant to temperature fluctuations, electrical noise, and humidity.

• Scalable and Modular Design:
  Can be easily extended using compatible submodules (optical or electrical) based on system requirements.

• Redundancy 支持:
  支持s redundant configurations to maximize network uptime and reliability.

• Low Power Consumption:
  Efficient design minimizes energy usage, making it suitable for large-scale deployments.

• Easy Maintenance:
  Built-in LED indicators provide quick status visibility for power, link activity, and error conditions.

• Fast Installation:
  Standard DIN rail or panel mounting allows quick, tool-less installation in new or retr/it systems.

• Yokogawa System Integration:
  Fully compatible with CENTUM VP, ProSafe-RS, and other Yokogawa network platforms, simplifying system architecture.

• Compliance and Safety:
  Certified to meet CE, RoHS, and EMI standards, ensuring safety and global regulatory compliance.

常见问题 (FAQ)

1. Q: What is the function / the SNT401-13?
   A: It acts as the main module in an optical bus repeater setup, facilitating high-integrity communication across fiber-optic links.

2. Q: What are the dimensions / the SNT401-13?
   A: The module measures 142.5 x 130 x 32.8 mm.

3. Q: How much does the SNT401-13 weigh?
   A: It weighs approximately 0.3 kg, making it lightweight for easy installation.

4. Q: Can this module be mounted on a DIN rail?
   A: Yes, it supports both DIN rail and panel mounting configurations.

5. Q: What communication standards does it support?
   A: It supports Vnet/IP and FIO (Fieldbus I/O) communication protocols.

6. Q: What type / fiber is supported?
   A: It supports multi-mode or single-mode fiber, depending on the submodule used.

7. Q: Is the SNT401-13 suitable for use in noisy environments?
   A: Yes, optical communication makes it ideal for high-EMI industrial environments.

8. Q: What systems is it compatible with?
   A: It integrates seamlessly with Yokogawa systems such as CENTUM VP, ProSafe-RS, and STARDOM.

9. Q: Does it have built-in diagnostics?
   A: Yes, it includes LED indicators for power, link, and error diagnostics.

10. Q: Is the module compliant with international standards?
    A: Yes, it is CE, RoHS, and EMC/EMI compliant.

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