SNT401-53/CU1N | Yokogawa Optical ESB Bus Repeater Module
Manufacturer: Yokogawa
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Part Number: SNT401-53/CU1N
Condition：New with Original Package
Product Type: Optical ESB Bus Repeater Module
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Country of Origin: Japan
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Description
The Yokogawa SNT401-53/CU1N is a high-performance Optical ESB Bus Repeater Master Module developed for Yokogawa’s ProSafe-RS safety instrumented system (SIS). It enhances optical signal strength and maintains stable, long-distance communication between safety control nodes across the ESB (Ethernet Safety Bus) network.
This module features optical fiber communication for noise immunity, ISA G3 compliance, and extended temperature endurance from –20°C to +70°C, ensuring reliable operation in harsh environments. Designed for rack mounting, it includes the CU1N connector unit, providing secure and efficient data transmission for large-scale industrial safety systems.
Technical Specifications
| Specification | Details |
|---|---|
| Model Number | SNT401-53/CU1N |
| Product Type | Optical ESB Bus Repeater Master Module |
| Manufacturer | Yokogawa |
| System Platform | ProSafe-RS Safety Instrumented System (SIS) |
| Function | Optical signal amplification and bus repeat for ESB communication |
| Connector Unit | CU1N – Connector Unit for ESB Bus |
| Power Supply | 24 V DC |
| Communication Type | Optical ESB (Ethernet Safety Bus) |
| Transmission Distance | Up to 5 km using ANT401 optical fiber |
| Temperature Range | –20°C to +70°C |
| Protection Level | ISA Standard G3 (No Explosion Protection) |
| Mounting Type | Rack-mounted |
| Weight | 1.0 kg |
| Shipping Weight | 3 kg |
| Condition | New and Original |
| Certifications | COO (Certificate of Origin), Test Report |
| Country of Origin | Japan |
FAQs
Q1: What is the purpose of the SNT401-53/CU1N module?
A1: The SNT401-53/CU1N functions as an optical repeater master, extending and stabilizing ESB bus communication within Yokogawa ProSafe-RS safety systems.
Q2: Which connector is included with this unit?
A2: It comes with the CU1N connector unit, enabling seamless integration into the ESB Bus network.
Q3: What is the maximum communication distance supported?
A3: It supports optical data transmission up to 5 km using ANT401 fiber optic cable.
Q4: Can it operate in harsh environmental conditions?
A4: Yes, it meets ISA G3 standards and operates reliably within –20°C to +70°C.