产品介绍
The Yokogawa SNT401-53 is an Optical ESB Bus Repeater Module designed to enhance the communication capabilities and network scalability / Yokogawa’s CENTUM VP and CS 3000 process control systems. This module is specifically engineered to repeat and regenerate optical signals along the ESB (Ethernet for Safety Bus) bus, ensuring high-integrity data transmission over long distances and in complex network topologies.
By converting weakened optical signals into strong, clean outputs, the SNT401-53 allows for flexible architecture layouts while maintaining synchronization and data accuracy between remote I/O 件s and controller subsystems. The device supports multi-segment configurations, making it ideal for large process facilities where communication distances /ten exceed standard optical cable limits.
With its robust construction, high-speed performance, and seamless integration into Yokogawa’s DCS ecosystem, the SNT401-53 is a critical component for reliable and scalable process automation networks.
产品规格
| Parameter | Specification |
|---|---|
| 型号 Number | SNT401-53 |
| Product Type | Optical ESB Bus Repeater Module |
| 支持ed Protocol | Optical ESB Bus (Ethernet-based Safety Bus) |
| Input Ports | 1 Optical input port |
| Output Ports | 2 Optical output ports |
| Data Transfer Rate | 100 Mbps (Full Duplex) |
| Transmission Medium | Multimode optical fiber |
| 支持ed Fiber Length | Up to 2 km per segment (depending on fiber type) |
| Wavelength | 1300 nm |
| Optical Connector Type | ST-type optical connectors |
| Operating Voltage | Supplied via baseplate |
| Power Consumption | Approx. 4 W |
| Status Indicators | Optical link status, power, and fault LEDs |
| Operating Temperature Range | 0°C to +50°C |
| Storage Temperature Range | -20°C to +70°C |
| Humidity Range | 5% to 95% RH (non-condensing) |
| Environmental Protection | Conforms to IEC 61000-4 EMC standards |
| Housing Material | Metal enclosure |
| Mounting | DIN-rail or baseplate mounting (standard Yokogawa system rack) |
| Dimensions (H x W x D) | 142.5 x 130 x 32.8 mm |
| 重量 | 0.3 kg |
| Certifications | CE, RoHS compliant |
Applications
The Yokogawa SNT401-53 Optical ESB Bus Repeater Module is deployed in a wide range / process industries for improving communication reliability and flexibility:
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Oil & Gas Processing: Large-scale plant-wide networks with distant field instrumentation.
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Petrochemical & Chemical Plants: Multi-segment DCS architecture.
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Power Generation: 支持ing complex control networks in power stations.
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Pharmaceutical Manufacturing: Enhancing network redundancy and signal quality.
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Water and Wastewater Treatment: Extending network coverage to remote treatment facilities.
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Steel and Metallurgy Plants: Reliable control networks in harsh industrial environments.
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Food and Beverage Industry: 支持ing long-distance and high-reliability communications.
Advantages
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Reliable Long-Distance Communication: Extends the reach / ESB optical networks up to 2 km per segment.
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Enhanced Signal Integrity: Repeats and regenerates optical signals, reducing errors and data loss.
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Flexible Network Architecture: 支持s multi-segment layouts for large and distributed systems.
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Compact & Robust Design: Suitable for industrial environments with space limitations.
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Seamless Integration: Designed for compatibility with Yokogawa’s CENTUM VP and CS 3000 systems.
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Low Power Consumption: Efficient operation with minimal energy usage.
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Simple Installation & Maintenance: DIN-rail and baseplate mounting options.
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Status LEDs: Provides clear visual indication / link status and operational health.
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Standards Compliance: Meets IEC EMC standards for electromagnetic imm件y.
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Future-Pro/: 支持s the scalability / process control networks as plant requirements evolve.
常见问题 (FAQ)
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What is the main purpose / the SNT401-53?
It extends and regenerates optical ESB Bus signals to ensure reliable data transmission over long distances. -
Which Yokogawa systems is this module compatible with?
Compatible with CENTUM VP and CS 3000 process control systems. -
How many output ports does it provide?
The module provides two optical output ports. -
What type / fiber is supported?
支持s multimode optical fiber. -
What is the maximum fiber length supported?
Up to 2 km per segment, depending on the fiber type. -
Can it be mounted on a DIN rail?
Yes, it supports DIN rail or baseplate mounting. -
What type / optical connectors does it use?
ST-type optical connectors. -
What is the operating temperature range?
From 0°C to +50°C. -
Does it comply with EMC standards?
Yes, it conforms to IEC 61000-4 EMC standards. -
Is this module RoHS compliant?
Yes, the SNT401-53 is RoHS compliant.
Related 型号s (Same Series / Related)
| 型号 Number | Product Type | Key Features |
|---|---|---|
| SNT401-50 | Optical ESB Bus Repeater Module | Standard version |
| SNT401-51 | Optical ESB Bus Repeater Module | Enhanced segment capacity |
| SNT401-52 | Optical ESB Bus Repeater Module | Extended range capability |
| SNT401-54 | Optical ESB Bus Repeater Module | High EMI imm件y |
| SNT401-55 | Optical ESB Bus Repeater Module | Optimized for /fshore and marine |
| SNT411-53 | Optical ESB Bus Interface Module | Interface module with advanced diagnostics |
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