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- Yokogawa
- YNT511D
- Fiber Optic Bus Repeater
- Japan
- 200 x 100 x 50 mm
- 1.5 kg
- Xiamen, China
- New & In Stock
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- 1 Year
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
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All our products are priced very favorably because we have our own warehouse and supply.
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| Mobile | +8615980777398 | ||
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Product Overview
The Yokogawa YNT511D is an optical bus repeater module used in Yokogawa V net / CENTUM distributed control systems (DCS).
It is designed to convert electrical control signals into optical signals, enabling long-distance communication between control stations and network segments.
This module is mainly used to extend communication distance and improve noise immunity in large-scale industrial automation networks.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Yokogawa |
| Model | YNT511D |
| Product Type | Fiber Optic Bus Repeater |
| System Platform | CENTUM CS / CENTUM VP |
| Network Type | V net / V net-based control bus |
| Function | Signal conversion and bus extension |
| Communication Medium | Fiber optic cable |
| Architecture | Dual-redundant bus repeater system |
Physical Specifications
| Parameter | Details |
|---|---|
| Dimensions | 200 × 100 × 50 mm |
| Weight | 1.5 kg |
Function and Working Principle
The YNT511D works as a signal regeneration and optical conversion device in industrial control networks.
Core Working Principle
- Receives electrical V net / control bus signals
- Converts electrical signals into optical signals
- Transmits data via fiber optic cable
- Receives optical signals and converts back to electrical form
- Regenerates signal strength to extend communication distance
This allows stable communication over long distances while eliminating electromagnetic interference.
Key Functions
- Extends V net communication distance
- Converts electrical signals to optical signals
- Provides strong noise immunity (EMI resistance)
- Enables long-distance industrial data transmission
- Supports dual-redundant bus architecture
- Maintains signal integrity across network segments
System Role
Within a Yokogawa CENTUM system:
- Field Control Stations (FCS) generate control data
- V net electrical signals are transmitted locally
- YNT511D converts signals to optical format
- Fiber optic cable carries data over long distances
- Remote stations receive and reconvert signals
Industrial Applications
The YNT511D is used in:
- Oil and gas production facilities
- Petrochemical refineries
- Power generation plants
- Chemical processing plants
- LNG and offshore platforms
- Large distributed control systems (DCS)
- Remote industrial plant communication networks
Key Features
- Optical fiber communication support
- Electrical-to-optical signal conversion
- Long-distance transmission capability
- High resistance to electromagnetic interference
- Designed for V net control systems
- Supports redundant communication configuration
Advantages
- Enables communication over long distances (km-level range)
- Eliminates electrical noise issues
- Improves system reliability in harsh environments
- Supports large-scale distributed architectures
- Enhances stability of industrial control networks
Installation Notes
- Installed in control system racks or communication cabinets
- Requires fiber optic cabling (SC-type connectors in typical systems)
- Used in pairs for redundant or extended networks
- Must follow optical loss and distance design limits
- Requires proper grounding and cabinet installation
FAQ
Q: What is YNT511D used for?
It is used to extend Yokogawa V net communication using fiber optics.
Q: Is it a network switch?
No, it is a bus repeater that converts and regenerates signals.
Q: What medium does it use?
Fiber optic cable.
Q: Why is it used in DCS systems?
To ensure long-distance, noise-free communication between control stations.
Conclusion
The Yokogawa YNT511D Fiber Optic Bus Repeater is a key communication infrastructure component in distributed control systems.
It enables long-distance, stable, and interference-free data transmission by converting electrical control signals into optical fiber communication, ensuring reliable operation of large-scale industrial automation networks.