Yokogawa ANT401-50 Optical ESB Bus Repeater Master Module

Overview

The Yokogawa ANT401-50 is an Optical ESB Bus Repeater Master Module designed for high-performance optical transport over the ESB bus. It supports long-distance communication of up to 5 km, making it suitable for field control units and other industrial setups requiring reliable optical data transmission.

Key Features

Installation Compatibility:
- Can be installed in the following units:
  - Field Control Unit: AFV30/AFV40
  - Unit for Optical ESB Bus Repeater Module: ANT10U
  - ESB Bus Node Units: ANB10, ANB11
Connection Options:
- Supports both chain-type and star-type connections.
- Maximum stages (chain-type): 2
- Maximum connections (chain and star): 8 paired connections between ANT401 and ANT502.
Long-Distance Communication:
- Achieves a maximum transmission distance of 5 km using ANT401, ANT502, and ANB11 modules.
Optical Fiber Specifications:
- Connector Type: LC (compliant with IEC 61754-20).
- Fiber Type: Quartz single-mode optical fiber (JIS C 6835 SSMA-9.3/125 or IEC 60793-2-50 B1.1 type).
- Max. Permissible Optical Loss: 0–10 dB @ 1.3 μm.
- Number of Cores: 2.
Additional Options:
- To connect the ANT401 to the ESB bus:
  - Specify “Connector unit for ESB Bus” (option code /CU1N).
- To terminate the ESB bus at the ANT401:
  - Specify “Connector unit with terminator for ESB Bus” (option code /CU1T).

Technical Specifications

Attribute	Details
Function	ESB bus optical transport
Connection Types	Chain and star type connections
Max Stages (Chain)	2
Max Connections	8 (paired ANT401 and ANT502)
Transmission Distance	5 km
Current Consumption	0.5 A
Weight	0.25 kg (main body only)

Model and Suffix Codes

Model	Description
ANT401	Optical ESB Bus Repeater Master Module (5 km, for AFV30/AFV40)

Suffix Code	Description
-5	Standard type, no explosion protection
0	Basic type

Applications

Industrial Automation: Reliable optical communication for field control units.
Long-Distance Connectivity: Ideal for setups requiring communication over distances of up to 5 km.
Scalable Systems: Supports both chain and star topology for flexible configurations.

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