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Product Overview
The Yokogawa ANT401-5E is a high-performance optical bus repeater main module designed to facilitate long-distance and noise-immune data transmission in industrial control networks. Developed by Yokogawa Electric Corporation, a global leader in industrial automation, the ANT401-5E acts as the central node in a fiber optic repeater system, extending communication distances and ensuring stable signal integrity in distributed control systems (DCS).
By converting electrical signals into optical signals and vice versa, this module plays a critical role in reducing electromagnetic interference (EMI) and enhancing the reliability of plant-wide automation networks. It is typically deployed in CENTUM VP and STARDOM systems, supporting real-time data exchange over optical fiber in hazardous and high-noise environments.
Technical Specifications
Product Parameters
| Parameter | Specification |
|---|---|
| Product Name | Optical Bus Repeater Main Module |
| Model Number | ANT401-5E |
| Manufacturer | Yokogawa Electric Corporation |
| Function | Optical signal repeater (main module) |
| Interface | Optical fiber (multi-mode) |
| Compatible Systems | CENTUM VP, STARDOM |
| Installation | DIN rail or panel mount |
| Power Supply | Supplied from base unit |
| Operating Temperature | 0 to 50°C |
| Storage Temperature | -20 to 70°C |
| Relative Humidity | 5% to 95% RH (non-condensing) |
| Vibration Resistance | Meets IEC 60068-2 standards |
| Shock Resistance | Meets IEC 60068-2-27 standards |
| Enclosure Protection | IP30 (when mounted) |
| Dimensions | 142.5 x 130 x 32.8 mm |
| Weight | 0.3 kg |
Applications
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Long-distance optical data transmission in process control networks
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EMI-resistant communication in heavy industrial and power environments
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Integration in DCS architectures such as CENTUM VP for plant-wide control
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Field data acquisition over fiber in oil & gas, petrochemical, and water treatment sectors
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Interconnection of remote I/O nodes in large-scale automation systems
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High-integrity communication loops in safety instrumented systems (SIS)
Advantages
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Extended Communication Distance: Enables fiber-based signal relay over long ranges without signal loss
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Noise Immunity: Resistant to EMI and RFI, making it ideal for industrial use
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Compact Design: Slim form factor allows efficient space utilization in control panels
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Seamless Integration: Compatible with Yokogawa’s CENTUM and STARDOM systems
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Industrial Durability: Built to withstand harsh environmental conditions
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Minimal Maintenance: Stable performance with low lifecycle cost
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Redundancy Support: Suitable for redundant architectures to increase network reliability
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Secure Transmission: Optical fiber minimizes the risk of signal tapping and interference
Frequently Asked Questions (FAQ)
Q1: What is the primary role of the ANT401-5E?
A1: It functions as a main repeater module to relay and regenerate optical signals in Yokogawa control networks.
Q2: Which Yokogawa systems is the ANT401-5E compatible with?
A2: It is primarily used with CENTUM VP and STARDOM DCS systems.
Q3: Can this module be used in high EMI environments?
A3: Yes, its fiber optic transmission ensures immunity to electromagnetic interference.
Q4: Is the ANT401-5E hot-swappable?
A4: No, the module should be installed or replaced during system downtime.
Q5: Does the module support redundancy?
A5: Yes, it can be configured in redundant topologies for critical applications.
Q6: How is it mounted?
A6: It supports DIN rail or panel mounting configurations.
Q7: What is the power source for the ANT401-5E?
A7: Power is supplied from the corresponding base or system backplane.
Q8: Is special configuration software required?
A8: Configuration may be managed via the control system engineering tools integrated in CENTUM VP.
Q9: What are the typical use industries?
A9: Oil & gas, petrochemicals, water treatment, and power generation sectors.
Q10: How often does it require maintenance?
A10: Very low maintenance; designed for reliable, continuous operation.
Recommended Related or Similar Models
| Model | Description |
|---|---|
| ANT401-4E | Optical repeater module for legacy systems |
| ANT401-3E | Multi-node optical bus repeater unit |
| ANT411-5E | Extension repeater module with redundancy |
| ANT421-1E | Termination unit for fiber optic bus |
| ATD401-1 | Optical repeater for remote I/O applications |
| AAT145-S50 | Signal converter with optical isolation |
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|---|---|
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