产品介绍
The Yokogawa SNT401-53/CU1N is a high-performance Optical ESB Bus Repeater Master Module, designed to transform standard ESB Bus signals into optical form for long-distance, fault-resistant communication. Utilizing advanced eddy-resistant fiber-optic technology, it ensures consistent, secure data transfer between your safety control 件 and safety node 件s—crucial for modern automation systems demanding both reliability and flexibility.
Compact yet robust, the SNT401-53/CU1N supports distance extension up to 5 km (or up to 10 km in Vnet/IP systems with the proper configuration)—making it an essential component in industrial environments like power generation, petrochemical facilities, pharmaceuticals, and manufacturing.
产品规格
| Feature | Specification |
|---|---|
| 型号 | SNT401-53/CU1N (Optical ESB Bus Repeater, Master) |
| Repeater Function | Converts ESB Bus signals to optical and back |
| Topology 支持 | Star and chain configurations |
| Max Connection Stages | Up to 2 cascaded stages |
| Transmission Range | Up to 5 km (standard); up to 10 km in Vnet/IP |
| Current Consumption | 0.5 A |
| Dimensions | 142.5 × 130 × 32.8 mm |
| 重量 | 0.3 kg |
| Mounting | Mounted via ESB bus coupler or interface 件s |
| Terminators | 可用 with or without built-in terminator |
Product Applications
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Distributed Safety Networks: Extends ESB communication across large facilities with minimal signal degradation.
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Network Flexibility: 支持s both star and chain layouts for optimal design adaptation.
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Electromagnetic Imm件y: Optical transmission ensures stable signals, even in electrically noisy environments.
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Scalable Architecture: Cascadable modules allow flexible network expansion.
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High-Reliability Safety Systems: Ideal for critical environments such as oil & gas, manufacturing plants, and chemical processing.
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Retr/it Projects: Enhances legacy ESB bus infrastructure without full system redesign.
Harnessing this module helps you build a network that’s dependable, resilient, and easy to maintain—all while future-pro/ing your automation architecture. For customized guidance or to arrange a purchase, please contact our customer service team.
Product Advantages
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Long-Distance Communication: Extends ESB bus signals up to 5 km (10 km in Vnet/IP systems) for large-area coverage.
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Dual Topology 支持: Compatible with both star and chain connections to suit diverse layouts.
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Automatic Signal Integrity: Ensures regenerated, clean signals via optical conversion.
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Space-Efficient Form: Compact size simplifies installation in cramped cabinets.
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Low Power Use: Consumes only 0.5 A, /fering efficient operation.
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Cascadable Design: 支持s multi-stage deployment without signal loss.
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Build Options: 可用 with or without a terminator for flexibility.
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Consistent Performance: High-quality manufacturing ensures reliability in industrial environments.
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Scalable & Future-Ready: Ideal for growing automation networks needing robust, adaptable infrastructure.
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Seamless Integration: Designed for smooth operation with Yokogawa DCS and safety systems.
This module delivers operational confidence, efficiency gains, and network robustness—all within a compact footprint.
FAQ
1. What is the SNT401-53/CU1N module used for?
It serves as a master repeater that converts ESB Bus signals to optical format, enabling long-distance communication.
2. What topologies are supported?
Both star and chain network configurations are supported for flexible system design.
3. How far can optical signals be transmitted using this module?
Up to 5 km under standard conditions, or up to 10 km in Vnet/IP systems with proper configuration and cascading.
4. How many modules can be cascaded?
You can cascade up to two stages within a single ESB bus segment.
5. What is the typical current consumption?
The module operates at 0.5 A, keeping power demands minimal.
6. Does this model include a terminator?
You can choose between versions with or without a built-in terminator to suit your installation.
7. What mounting options are available?
It mounts directly via the ESB Bus Coupler or Interface 单位s for easy integration.
8. Can it withstand harsh industrial environments?
Yes, its industrial-grade construction ensures stable operation under vibration and electrical interference.
9. Is it compatible with existing Yokogawa systems?
Absolutely—it’s designed for seamless integration with Yokogawa DCS and safety automation platforms.
10. How do I acquire or get support for this module?
Please contact our customer service team—we’re here to assist with technical support, configuration, or ordering.
Recommended Related 型号s
| 型号 | 描述 |
|---|---|
| SNT401-53/CU1T | Same repeater with built-in ESB terminator |
| SNT501-53/CU1N | Slave module for ESB repeater applications |
| SNT411/CU1N | Extended-range master repeater (up to 50 km) |
| SNT511/CU1N | Extended-range slave repeater support |
| SNT10D | Rack-mount 件 for repeater module collections |
| S2EN501 | N-ESB Bus Module for repeater-enabled network topology |
Popular Yokogawa Modules
| 型号 | 描述 |
|---|---|
| SEC401/SEC402 | ESB Bus Coupler Modules for safety control 件s |
| SSB401 | ESB Bus Interface Module for safety node 件s |
| NT255-AA00 | High-performance Network Communication Module |
| PW482-50 | Reliable power supply module for stable system operation |
| ADV151-P50 | Digital Output Module for robust industrial applications |
| AAI543-H00 | Analog Input Module for precise monitoring tasks |
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