وصف

Yokogawa ANB10D-410/S2 Node Interface Unit

The Yokogawa ANB10D-410/S2, also cataloged as the ANB10D Node Unit, operates as a dedicated hardware component for interfacing analog and digital I/O signals via a dual-redundant ESB bus within CENTUM VP / CENTUM CS 3000 Distributed Control Systems.

Hardware Specifications

Parameter	Specification
ModelBrand	Yokogawa ANB10D-410/S2
Origin	Japan
Weight	10 kg (excluding I/O modules)
Dimensions	19-inch rack mountable, standard EIA 3U height
OperatingTemp	0 to 50 degC
StorageTemp	-40 to 85 degC
OperatingHumidity	10 to 90% RH non-condensing
CommunicationBus	Dual-redundant ESB Bus
I/O Module Slots	Up to 8 FIO modules
PowerSupply	100-120 V AC, dual-redundant
PowerConsumption	Max. 200 VA (depending on installed I/O modules)
WithstandingVoltage	1500 V AC, 1 min between power and ground
InsulationResistance	≥ 20 MΩ at 500 V DC

Process Control Features

• 4-20 mA / HART Loop Support: Compatible with analog input and output signals for direct field device connectivity.
• FOUNDATION Fieldbus Connectivity: Supports digital communication over the ESB bus for integrated I/O control.
• Channel-to-Channel Isolation: Provides electrical isolation between I/O channels to prevent cross-channel interference.
• Cold Junction Compensation (CJC): Maintains thermocouple measurement accuracy under variable ambient conditions.

Frequently Asked Questions

Q: Can the Node Unit I/O modules be replaced while the system is operating?
A: Hot-swapping of I/O modules is supported, provided the dual-redundant power supplies remain operational.

Q: What is the maximum number of I/O modules per node?
A: Up to 8 FIO modules can be installed in a single ANB10D-410/S2 node unit.

Q: How is the ESB bus redundancy handled in case of a single bus failure?
A: The dual-redundant ESB bus automatically maintains communication through the operational bus without interruption.

Field Installation Guidelines

• Mount the unit in a standard 19-inch EIA rack with adequate airflow for heat dissipation.
• Ensure proper grounding of the chassis to reduce electrical noise and maintain isolation integrity.
• Route ESB and power cables separately from high-voltage or high-frequency lines to prevent interference.
• Verify polarity and voltage levels of power supply connections before energizing.
• Confirm all I/O modules are properly seated and locked before system startup.

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