Yokogawa SNT401-53/CU1N Optical Repeater | ESB Bus

Yokogawa SNT401-53/CU1N: Extend Your ESB Bus Network with Optical Power

Expand your control system reach with the Yokogawa SNT401-53/CU1N. This optical repeater master module boosts your ESB Bus signal. It allows for long-distance communication up to 10 km. The included CU1N connector unit makes setup simple. The Yokogawa SNT401-53/CU1N works reliably in tough industrial temperatures.

Why Choose This Repeater Module?

• Long-Distance Reach: Connect devices up to 10 kilometers away with clear optical signals.
• Flexible Wiring: Supports both star and chain network layouts for easy design.
• Industrial Tough: Built to operate from -20°C to 70°C, meeting ISA G3 standards.
• Multi-Stage Support: Connect up to two stages for greater network expansion.
• Complete Kit: Includes the essential CU1N connector unit for immediate installation.

Complete Product Specifications

Brand & Full Model: Yokogawa SNT401-53/CU1N Optical ESB Bus Repeater Master Module

Function: ESB Bus Optical Signal Repeater & Master

Suffix Code: -5 (No Explosion Proof), -3 (ISA G3, -20 to 70°C)

Included Unit: CU1N Connector Unit for ESB Bus

Connection Methods: Star Type, Chain Type, or Both

Max Connection Stages: 2 Stages

Max Transmission Distance: 5 km (Standard), Up to 10 km (with Vnet/IP R1.03+)

Optical Cable Type: ESB Bus Compatible Optical Fiber

Signal Regeneration: Yes, for noise-free long-distance data.

Current Consumption: 0.5 A

Power Supply: From system rack backplane.

Operating Temperature: -20°C to +70°C

Weight: Approximately 0.3 kg

Common Questions Answered (FAQ)

What is the main job of this module?

It strengthens and extends the ESB Bus optical signal so your network can cover much longer distances without errors.

How far can my network go with it?

You can achieve up to 5 km normally. With a compatible Vnet/IP system, total distance can reach 10 km using two stages.

Do I need to buy a separate connector?

No. The package includes the necessary CU1N connector unit, so you have everything to start.

Can I mix different wiring layouts?

Yes. It supports both star (central hub) and chain (daisy-chain) connections, giving you design freedom.

Is it suitable for outdoor or harsh plants?

Absolutely. Its wide temperature rating and industrial-grade build make it perfect for demanding environments.

Package Contents

You will receive: 1 Yokogawa SNT401-53 Repeater Master Module, 1 CU1N Connector Unit, and relevant documentation.

Warranty & Fast Shipping

Shop with confidence. This product is covered by a full 12-month warranty. We deliver quickly worldwide using FedEx, UPS, or DHL for your convenience.