Product Introduction
The Yokogawa SNT401-53 Optical Bus Repeater Module is a compact communication extension module designed for Yokogawa industrial automation platforms. It provides optical signal transmission capability for ESB Bus communication, helping extend connection distances and improve installation flexibility in distributed equipment environments.
The SNT401-53 is designed as an optical repeater module within Yokogawa’s modular architecture. It converts ESB Bus signals into optical signals through fiber-optic connections, supporting flexible equipment layouts where stable long-distance communication is required.
With its compact size, low power consumption, and compatibility with related Yokogawa modules, the SNT401-53 is widely used for system expansion, equipment renewal, and industrial communication improvement projects.
Technical Specifications
| Parameter | Specification |
|---|
| Manufacturer | Yokogawa |
| Model | SNT401-53 |
| Product Type | Optical Bus Repeater Module |
| Module Category | Optical ESB Bus Repeater Master Module |
| Communication Method | ESB Bus Optical Signal Transmission |
| Optical Interface | Fiber-Optic Communication |
| Compatible Module | Yokogawa SNT501 Optical Bus Repeater Module |
| Connection Structure | Star Type / Chain Type |
| Maximum Connection Stages | Up to 2 stages |
| Transmission Distance | Up to 5 km (standard configuration) |
| Extended Distance | Up to 10 km in supported configurations |
| Current Consumption | Approx. 0.5 A |
| Environmental Standard | ISA Standard G3 |
| Installation Method | Rack-mounted Modular Installation |
| Operating Temperature | Approx. -20°C to +70°C |
| Dimensions (W × H × D) | Approx. 32.8 × 142.5 × 130 mm |
| Approximate Weight | 0.30 kg |
Typical Industrial Applications
The Yokogawa SNT401-53 is suitable for industrial facilities requiring reliable communication extension and flexible equipment placement.
Typical application areas include:
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Oil and gas facilities
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Petrochemical plants
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Chemical processing industries
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Power generation facilities
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Water treatment plants
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Manufacturing factories
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Industrial utility installations
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Large-scale process facilities
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Distributed equipment cabinets
The optical communication design helps provide installation flexibility in environments where longer connection distances and stable signal transmission are important.
Key Features & Benefits
The SNT401-53 Optical Bus Repeater Module offers several practical advantages:
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Optical fiber communication for extended connection distance
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Supports star and chain connection structures
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Compact modular design for cabinet installation
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Compatible with Yokogawa optical repeater products
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Low power consumption design
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Improved communication stability in industrial environments
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Supports flexible equipment arrangement
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Easy integration into existing Yokogawa installations
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Lightweight structure for convenient replacement
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Suitable for long-term industrial applications
Technical FAQs
1. What is the Yokogawa SNT401-53?
The SNT401-53 is an Optical ESB Bus Repeater Module designed for Yokogawa modular industrial platforms.
2. What is the main function of the SNT401-53?
The module provides optical signal transmission between compatible Yokogawa equipment by converting ESB Bus signals into optical communication signals.
3. Which module is commonly paired with the SNT401-53?
The SNT401-53 is commonly used with the Yokogawa SNT501 Optical Bus Repeater Module for optical communication extension.
4. What communication method does the SNT401-53 use?
The module uses fiber-optic communication technology for ESB Bus signal extension.
5. What connection structures are supported?
The SNT401-53 supports both star-type and chain-type connection structures, allowing flexible installation planning.
6. What is the transmission distance of the SNT401-53?
The module supports optical communication extension up to approximately 5 km under standard configurations, with longer distances available in specific system arrangements.
7. What is the power consumption of the module?
The approximate current consumption of the SNT401-53 is 0.5 A.
8. What are the dimensions of the SNT401-53?
The approximate dimensions are 32.8 × 142.5 × 130 mm.
9. What is the weight of the SNT401-53?
The approximate weight is 0.30 kg, allowing convenient handling during installation and replacement.
10. Why choose the Yokogawa SNT401-53?
The SNT401-53 combines optical communication capability, compact construction, Yokogawa compatibility, and reliable performance, making it a practical choice for industrial communication expansion projects.
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