Yokogawa ANB10D-415/CU2N Base Node Unit

Configured for dual-redundant ESB bus communication in CENTUM VP distributed control systems, the Yokogawa ANB10D-415/CU2N (ANB10D-415/CU2N Node Unit) provides direct physical/electrical execution of I/O bus management and power distribution.

Suffix Breakdown & Model Matrix

Hardware Specifications

Process Control and DCS Connectivity

• FOUNDATION Fieldbus / Profibus PA Connectivity: The ANB10D architecture facilitates deterministic data throughput for fieldbus segments, ensuring that high-speed control communication remains synchronized across the redundant ESB bus backbone.
• Channel-to-Channel Isolation: The node incorporates robust electrical isolation between the primary and secondary ESB bus channels, which prevents fault propagation and maintains system availability in the event of an interface-level communication error.
• Cold Junction Compensation (CJC): The unit is designed to interface with field I/O modules requiring high-precision analog conditioning. The enclosure and backplane architecture provide the necessary thermal stability to support modules utilizing CJC for accurate thermocouple process temperature monitoring.

Frequently Asked Questions (FAQ)

Q: What is the purpose of the S9562FA connector units included in the /CU2N option?

A: The S9562FA units are dedicated connector components required for the termination and physical interface of the ESB bus cabling to the node backplane.

Q: Can the dual-redundant power supply be serviced while the node is active?

A: Yes. The dual-redundant power configuration is designed for high availability; individual power supply units can be replaced during operation without disrupting the ESB bus communication or I/O processing.

Field Installation Guidelines

• Mechanical Mounting: Use the provided insulation bushes when mounting the chassis to the 19-inch rack. This ensures proper electrical isolation of the node chassis from the rack frame, preventing unwanted ground loops.
• Power Wiring: Connect the dual power inputs to separate AC distribution circuits. Verify the input voltage is within the 100–120 VAC range prior to energization to avoid damage to the power supply modules.
• ESB Bus Connectivity: Secure the ESB bus cables using the provided S9562FA connectors. Ensure cables are fully seated and latched to prevent intermittent connectivity during cabinet vibration.
• Grounding: Connect the node chassis ground terminal to a verified plant earth ground. Maintaining a low-impedance ground path is essential for the effectiveness of the module's internal noise filtering and surge protection.
• Validation: Upon power-up, verify the status LEDs on the front panel indicate normal operation of both power supply modules and active synchronization of the dual-redundant ESB bus channels.