وصف

Yokogawa ANB10D-421 Node Unit

The Yokogawa ANB10D-421, also cataloged as the ANB10 Node Unit, operates as a dedicated hardware component for high-speed I/O module interfacing within CENTUM VP integrated production control systems. It provides dual-redundant power supply support and deterministic communication over the ESB Bus.

Hardware Specifications

Parameter	Specification
ModelBrand	Yokogawa ANB10D-421
Origin	Japan
Weight	6.0–7.5 kg (depending on installed I/O modules)
Dimensions	19-inch rack mountable, standard depth per CENTUM VP node
OperatingTemp	0 to 50 degC
PowerConsumption	Up to 130 VA (depending on I/O load)
Number of I/O Slots	8
InterfaceBus	ESB Bus
PowerSupply	220–240 V AC, 50/60 Hz, dual-redundant
SupportedModules	Analog I/O, Digital I/O, specialty modules
CommunicationTopology	Star, Ring, dual-redundant network support
Redundancy	Dual-redundant power supply, redundant NIU support
Diagnostics	Node health monitoring, error detection, communication status reporting
Latency	Deterministic for real-time control
DataThroughput	High-speed, suitable for large I/O configurations

Process Control Features

• Supports 4-20 mA HART loop protocol for compatible I/O modules.
• Provides channel-to-channel isolation to prevent cross-interference between adjacent I/O modules.
• Compatible with FOUNDATION Fieldbus and Profibus PA network connections.
• Cold junction compensation (CJC) supported on thermocouple inputs to maintain accurate temperature measurement.

Frequently Asked Questions

Q: Can the power supply modules be replaced while the node is operating?
A: Yes, the dual-redundant design allows hot-swappable replacement of power modules without interrupting communication or I/O scanning.

Q: What is the maximum I/O load supported on the ESB Bus?
A: Maximum power consumption typically reaches 100–130 VA depending on the installed module configuration.

Q: Does the node support redundant network connections?
A: Yes, redundant NIU configuration is supported for dual ESB Bus topologies.

Field Installation Guidelines

• Install the node in a standard 19-inch rack with proper grounding to prevent noise interference.
• Maintain ambient operating conditions within 0–50 degC and 5–95% relative humidity, non-condensing.
• Route ESB Bus cables separately from high-power AC lines to avoid induced noise.
• Ensure clearance for hot-swap operations and accessibility to the front panel for diagnostics and module replacement.
• Use shielded cables for analog signal wiring to maintain channel isolation integrity.

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