Description

Yokogawa ANB10N-410/CU2T/NDEL ESB Bus Node Unit

The Yokogawa ANB10N-410/CU2T/NDEL, also cataloged as the ANB10N ESB Bus Node Unit, operates as a dedicated hardware component for field data aggregation and I/O expansion interfacing within Yokogawa CENTUM VP distributed control platforms.

Suffix Breakdown & Model Matrix

Code	Definition
ANB10N	ESB Bus Node Unit, 19-inch rack mount, 8 I/O slots
-410	Dual-redundant power supply, 100–120 V AC input
/CU2T	Basic software license/tag or specific terminal/cable interface variant
/NDEL	No explosion protection; standard environmental specification

Hardware Specifications

Parameter	Specification
Model Brand	Yokogawa ANB10N-410/CU2T/NDEL
Origin	Japan
Weight	6.0 kg (excluding I/O modules)
Dimensions	482.6 (W) x 132.5 (H) x 310 (D) mm
Operating Temp	0 to 50 degC
Power Consumption	Max 200 VA
Supply Voltage	100 to 120 V AC (85 to 132 V AC range), 50/60 Hz +/- 3 Hz
I/O Slots	8 total (2 dedicated to ESB Bus Interface Modules)
Data Transfer Speed	128 Mbps
Max Nodes per FCS	Up to 9 or 11 (depending on FCS model)

FOUNDATION Fieldbus and 4-20 mA Loop Protocol Support

The node unit accommodates Yokogawa FIO modules supporting both conventional 4-20 mA analog loops and FOUNDATION Fieldbus H1 segments. Channel-to-channel isolation is maintained at the module level to prevent ground loop interference. Cold junction compensation is executed within supported analog input modules to ensure accurate thermocouple signal conversion. The backplane bus enforces deterministic data transfer without protocol conversion latency between the node and the host Field Control Station.

Frequently Asked Questions

Q: Does the ANB10N support hot-swapping of I/O modules during operation?

A: Hot-swapping is permitted only for certain FIO modules under controlled conditions with redundant power and ESB interfaces; refer to the specific I/O module manual for confirmation.

Q: What is the switching behavior in case of a power supply failure in a redundant configuration?

A: The dual-redundant power supplies operate in load-sharing mode; upon failure of one supply, the other assumes full load without interruption to I/O processing.

Q: Are there firmware compatibility constraints when connecting to newer FCS models?

A: Firmware revisions of ESB interface modules must match the compatibility matrix defined in the CENTUM VP engineering documentation to ensure stable backplane communication.

Field Installation Guidelines

Mount the unit in a standard 19-inch rack using secure screw fixation. Maintain adequate clearance for ventilation to prevent thermal buildup. Use shielded twisted-pair cabling for all ESB bus connections, grounding the shield at the node end only. Verify that the power supply input matches the specified voltage range before energizing. For installations outside hazardous-rated areas, confirm that the /NDEL designation aligns with local safety requirements.

Specifications

• Brand: Yokogawa

Advantages

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