Yokogawa SNT401-53/CU1N Optical ESB Bus Repeater Master Module

Yokogawa SNT401-53/CU1N Optical ESB Bus Repeater Master Module

The Yokogawa SNT401-53/CU1N is a reliable optical repeater designed for ESB Bus communication in control networks. It supports both star and chain connections and ensures stable long-distance optical transmission.

• Manufacturer: Yokogawa
• Model: SNT401-53/CU1N
• Product Type: Optical ESB Bus Repeater Master Module
• Connector Unit: CU1N for ESB Bus
• Protection Option: 5 – No explosion protection
• Environmental Grade: 3 – ISA Standard G3
• Temperature Range: -20°C to 70°C
• Weight: Approx. 0.3 kg
• Current Consumption: 0.5 A
• Transmission Distance: Up to 5 km (two stages), up to 10 km with Vnet/IP R1.03 or later
• Connection Methods: Star type and chain type supported
• Maximum Connection Stage: Two
• Function: Optical transport for ESB Bus communication

Why Choose Yokogawa SNT401-53/CU1N

• Reliable optical communication for distributed control systems.
• Supports long-distance transmission with stable data integrity.
• Compact 0.3 kg design for easy rack installation.
• Low power draw of 0.5 A reduces system load.
• Ruggedized for wide temperature environments.
• 12-month warranty ensures long-term reliability.

Technical Highlights

• Dual connection options (star or chain) provide flexible system topology.
• Optical link supports multi-stage expansion up to two levels.
• Vnet/IP compatibility for seamless integration with modern Yokogawa systems.
• High immunity to signal interference and vibration.
• Designed for continuous industrial operation in harsh conditions.

Installation & Setup

• Mount the SNT401-53/CU1N on the designated rack with the CU1N connector unit.
• Use optical fiber cables rated for the ESB Bus standard.
• Connect modules in star or chain topology as required.
• Check alignment and ensure fiber integrity before system startup.
• Perform optical link test before commissioning to confirm data stability.

Shipping & Warranty

• All units ship via FedEx, UPS, or DHL with global tracking support.
• Standard factory warranty covers 12 months from the delivery date.
• Each module is packed in anti-static and shock-resistant material for safe transit.

FAQ

• Q: What is the maximum optical distance supported?
  A: The module supports up to 5 km, or 10 km with Vnet/IP R1.03 or later.
• Q: Can I use both star and chain connections?
  A: Yes, the SNT401-53/CU1N supports both connection types.
• Q: What environments can it operate in?
  A: It works between -20°C and 70°C with ISA G3 compliance.
• Q: How many modules can I connect in one network?
  A: You can connect up to two stages in a single optical network.
• Q: Does it include a connector unit?
  A: Yes, the CU1N connector unit is part of the SNT401-53/CU1N assembly.

Contact & Support

• Inquiries: sales@powergearx.com
• WhatsApp: +86 18030005825
• Our support team offers configuration and integration assistance for all Yokogawa network modules.

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