Description

Yokogawa ANB10D-445/CU2N/NDEL ESB Bus Node Unit

Configured for high-speed I/O node expansion within CENTUM ESB Bus architecture, the Yokogawa ANB10D-445/CU2N/NDEL (ANB10D ESB Bus Node Unit) provides direct electrical and backplane-level execution for distributed field I/O aggregation across ESB Bus based control stations.

Suffix Breakdown & Model Matrix

• ANB10D: ESB Bus Node Unit platform for modular I/O mounting
• -445: Configuration code indicating redundant power supply arrangement and standard node build variant
• /CU2N: Connector Unit for ESB Bus (S9562FA x2), copper ESB interface configuration
• /NDEL: Node expansion software license option package

Hardware Specifications

Parameter	Specification
Model	ANB10D-445/CU2N/NDEL
Brand	Yokogawa
Origin	Japan
Weight	Approx. 10 kg
Dimensions	19-inch rack mount, 5U class (system dependent)
OperatingTemp	0 to 50 degC
PowerConsumption	Up to approx. 100 VA depending on I/O load
I/O Capacity	Up to 8 I/O module slots
Bus Interface	ESB Bus dual-redundant (128 Mbps class)
Power Supply	Dual-redundant 24 VDC configuration (per suffix definition)

Process Control Bus Architecture Characteristics

The ANB10D node operates as an ESB Bus distributed I/O aggregation layer within Yokogawa CENTUM environments, supporting channel-to-channel electrical separation across installed field I/O modules. Communication is executed via high-speed ESB Bus links with deterministic scan synchronization between controller and node-level backplane.

The platform supports standard process control signaling integration including 4-20 mA analog loops and digital field signals through modular I/O assemblies. When used with compatible interface modules, it can accommodate HART-capable signal conditioning for device-level diagnostics and loop validation.

Backplane design emphasizes deterministic data exchange timing and supports redundant bus pathways to maintain I/O continuity under single-channel degradation conditions.

Frequently Asked Questions (FAQ)

Q1: Does the ANB10D support hot-swapping of I/O modules?
A1: Yes. I/O modules and selected node components support hot insertion/removal while the ESB Bus backplane remains energized, subject to slot-level restrictions defined by system configuration.

Q2: What is the impact of dual ESB Bus redundancy on communication timing?
A2: In redundant mode, ESB Bus channels operate in parallel with automatic switchover logic. Transition is handled at backplane level with minimal scan disruption, dependent on controller synchronization state.

Q3: Can mixed analog and digital I/O be installed simultaneously?
A3: Yes. The 8-slot architecture supports mixed module population, provided power budget and backplane load constraints are maintained.

Field Installation Guidelines

Ensure ESB Bus shielded cabling is grounded at a single-point earth reference to avoid ground loop currents across distributed nodes. Maintain minimum bend radius for ESB bus copper cabling per installation standard to prevent impedance mismatch. All node grounding terminals must be bonded to rack frame ground before energizing 24 VDC supply. Verify slot termination settings when expanding I/O density to prevent bus reflection errors in high-speed backplane communication.

Specifications

• Brand: Yokogawa

Advantages

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