


Product Description
The Yokogawa ANB11D-425/BU2A is a Node Unit designed for Dual-Redundant ESB Bus applications with an Optical Repeater. This unit is used for N-IO/FIO systems and is ideal for applications requiring high reliability and redundancy.
Model Overview
- Model: ANB11D – Node Unit for Dual-Redundant ESB Bus with Optical Repeater (for N-IO/FIO)
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Suffix Codes:
- 4: Dual-redundant power supply, for 50 km optical repeater (for ANT411-0, -3)
- 2: 220 - 240 V AC power supply
- 5: Basic type with no explosion protection
Option Codes
- /BU2A: Connector unit for ESB Bus
Additional Information
- The Optical ESB Bus Repeater Slave Modules for 5 km and 5 km to 50 km are the ANT502 and ANT512 models, respectively.
- For proper operation when connecting ANB11D via Optical ESB bus, ensure that the master side is paired with one of the compatible slave sides.
Master Side and Compatible Slave Side Pairings:
- ANT401-0 or -3 for master side and ANB11D-2 for slave side
- ANT411-0 or -3 for master side and ANB11D-4 for slave side
- ANT401-E, -F, or A2EN501-1 for master side and ANB11D-B for slave side
- ANT411-E, -F, or A2EN501-2 for master side and ANB11D-D for slave side
Safety Standards:
- To meet the safety and EMC standards, the unit must be installed in a keyed metallic cabinet.