Yokogawa ANT502 Optical ESB Bus Repeater Module
The Yokogawa ANT502 Optical ESB Bus Repeater Module is a slave module designed to extend the ESB bus transmission distance up to 5 km using optical fiber when paired with the ANT401 master module. It supports both chain and star connection topologies and enables reliable, long-distance communication within Yokogawa control systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Function | ESB bus optical signal conversion |
| Connection Type | Chain or star |
| Max. Connectable Stages | 2 (chain type) |
| Max. Total Connections | 8 (chain/star) |
| Max. Transmission Distance | 5 km (with ANT401 and ANB11) |
| Current Consumption | 0.5 A |
| Dimensions (W x D x H) | 155.9 × 32.8 × 130 mm |
| 重量 | 0.25 kg |
| Optical Connector | LC (IEC61754-20) |
| Optical Fiber Type | Single-mode quartz fiber |
| Max. Permissible Optical Loss | 0–10 dB @ 1.3 µm |
| Number / Cores Required | 2 |
Applications
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Long-distance ESB bus extension in process control systems
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Redundant optical bus configurations in distributed control systems
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Integration into ANB11 or ANT10U 台s for optical communication
Advantages
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Extends ESB bus up to 5 km with high reliability
-
Compact and lightweight for easy installation
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サポートs redundant configurations for high system availability
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HKU interface option allows cabinet environmental monitoring
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Flexible installation in different 台 types and slots
FAQ
Q1: What is the maximum distance the ANT502 can extend the ESB bus?
A1: Up to 5 km when paired with ANT401 and proper optical fiber.
Q2: Can ANT502 work alone?
A2: No, it must be used as a slave in combination with an ANT401 master module.
Q3: What type / optical fiber is required?
A3: Single-mode quartz fiber with LC connectors.
Q4: How many ANT502 modules can be connected in a system?
A4: Up to 8 modules can be connected in a chain or star configuration.
Q5: Does ANT502 support redundancy?
A5: Yes, it supports dual-redundant installation.
Q6: What 台s can host the ANT502 module?
A6: It can be installed in ANB11 or ANT10U 台s.
Q7: Is there an explosion-protected version?
A7: Yes, the suffix “-E” indicates explosion protection.
Q8: What is the power consumption / the ANT502?
A8: Approximately 0.5 A.
Q9: Does ANT502 have an environmental monitoring function?
A9: Yes, with the /HU1A or /HU1B option, it can monitor cabinet conditions.
Q10: What connectors are used on the optical interface?
A10: LC connectors compliant with IEC61754-20 standard.
Recommended Related or Similar Yokogawa モデルs
| モデル | 説明 | Dimensions (mm) | 重量 |
|---|---|---|---|
| ANT401 | Optical ESB Bus Repeater Master Module | 130 × 32.8 × 142.5 | 0.25 kg |
| ANT411 | Optical ESB Bus Repeater (alternate) | 130 × 32.8 × 142.5 | 0.25 kg |
| ANT512 | Optical ESB Bus Repeater Slave (long) | 155.9 × 32.8 × 130 | 0.25 kg |
| SB401 | Optical ESB Bus Repeater Star Module | 130 × 32.8 × 142.5 | 0.25 kg |
| ANB11 | Optical ESB Bus Node ユニット | 482.6 × 177 × 400 | ~10 kg |
| ANT10U | ユニット for Optical ESB Bus Repeater Module | 482.6 × 177 × 400 | ~10 kg |
Popular Yokogawa モデルs
| モデル | 説明 | Dimensions (mm) | 重量 |
|---|---|---|---|
| CP461 | Processor Module for Vnet/IP | 130 × 32.8 × 130 | 0.3 kg |
| EC401 | ESB Bus Coupler Module | 130 × 32.8 × 130 | 0.3 kg |
| PSU | Power Supply ユニット | 130 × 50 × 250 | 1.2 kg |
| AFV30 | Field Control ユニット | 482.6 × 177 × 400 | ~12 kg |
| AFV40 | Field Control ユニット (high performance) | 482.6 × 177 × 400 | ~12 kg |
| HKU | Environmental Monitoring ユニット | 130 × 32.8 × 130 | 0.3 kg |
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