Description

Yokogawa ANB10D-223 S2 ESB Bus Node Unit

Configured for redundant ESB bus communication in CENTUM VP and CENTUM CS 3000 systems, the Yokogawa ANB10D-223 S2 (ANB10D-223 ESB Bus Node Unit) provides direct physical and electrical execution for field I/O communication with AFV10, AFV30, and AFV40 Field Control Units (FCUs). The unit supports duplexed data paths and maintains continuous signal exchange between FCS modules and distributed I/O.

Suffix Breakdown & Model Matrix

Code	Description
ANB10D	Node Unit for Dual-Redundant ESB Bus
-2	Dual-redundant power supply
2	220 - 240 V AC input power
3	24 V DC internal supply / Basic type without explosion protection
S2	Style 2 hardware generation

Hardware Specifications

Parameter	Specification
ModelBrand	Yokogawa ANB10D-223 S2
Origin	Japan
Weight	Approx. 10 kg (fully loaded)
Dimensions	19-inch rack mount, standard depth per CENTUM cabinet
OperatingTemp	0 to 60 degC standard; optional extended to 70 degC
PowerConsumption	130 - 230 VA depending on installed modules
Product Type	ESB Bus Node Unit
Bus Architecture	Dual-Redundant ESB Bus
Transmission Speed	128 Mbps deterministic
Network Topology	Chain or star; repeater support available
I/O Module Capacity	Up to 8 FIO modules
Hot-Swapping	Supported for I/O modules and power supplies

DCS Communication and Channel Isolation

The ANB10D-223 S2 implements deterministic 128 Mbps communication for high-speed field I/O data transfer. Channel-to-channel isolation is achieved through integrated circuitry and module design, reducing cross-talk and maintaining signal integrity across redundant ESB paths. Compatible with AFV10, AFV30, and AFV40 FCUs, the node unit supports both bus and star topologies, with optional repeaters for extended network coverage.

Frequently Asked Questions

Q: Can the ANB10D-223 S2 continue operation if one power supply fails?
A: Yes. Dual-redundant power modules allow uninterrupted operation during a single supply failure.

Q: Are hot-swaps supported for both I/O modules and power supplies?
A: Yes. Modules and power units can be replaced online without interrupting ESB communication.

Q: Does the node unit support mixed FCU types on the same ESB network?
A: Yes. AFV10, AFV30, and AFV40 modules can coexist, provided correct wiring and topology guidelines are followed.

Field Installation Guidelines

• Mount the unit in a standard 19-inch rack in accordance with CENTUM system specifications.
• Route ESB cabling separately from AC power lines to reduce EMI interference.
• Connect cable shields according to local grounding standards and Yokogawa instructions.
• Verify voltage and redundancy suffix before energizing; ensure dual-redundant AC power inputs are connected.
• Use proper repeaters for extended star or chain topology if required by network layout.
• Maintain ventilation and ambient conditions per the operating temperature range of the selected hardware variant.

Specifications

• Brand: Yokogawa

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems