ANB10D-415 Yokogawa Node Unit

Configured for high-speed field bus communication in CENTUM VP platforms, the Yokogawa ANB10D-415/CU2N/NDEL (ANB10D-415 Node Unit) provides direct physical/electrical execution of data exchange between the ESB bus and field I/O modules.

Suffix Breakdown & Model Matrix

Hardware Specifications

Process Control and DCS Characteristics

• 4-20 mA HART loop protocol: The unit facilitates transparent HART data transmission from connected I/O channels to the host DCS, maintaining signal integrity for device-level diagnostics.
• FOUNDATION Fieldbus / Profibus PA connectivity: The node interface supports deterministic fieldbus traffic, ensuring consistent update rates for process variables across the ESB bus architecture.
• Channel-to-channel isolation: The internal backplane design provides galvanic isolation to mitigate common-mode noise and prevent ground potential differences from affecting the high-speed bus communication.
• Cold junction compensation (CJC): The unit interfaces with I/O modules to support thermocouple CJC, ensuring temperature measurement accuracy by referencing local ambient thermal sensors.

Frequently Asked Questions

Q: Can the dual-redundant power supplies be removed during system operation?

A: Yes. The power supply units support hot-swapping to ensure continuous node availability during maintenance without interruption of the ESB bus communication.

Q: Is the NDEL license code required for all node expansion scenarios?

A: Yes. The /NDEL option indicates a mandatory software license that must be installed in the CENTUM VP system database to enable communication with the expanded node count.

Field Installation Guidelines

• Mounting: Secure the ANB10D unit into a standard 19-inch equipment rack. Use all required M5 mounting screws to ensure structural stability and mitigate the effects of mechanical vibration on bus connections.
• Grounding: Connect the chassis ground terminal to the main system protective earth (PE) bus. A solid, low-impedance ground connection is required to meet EMI/EMC standards for the high-speed ESB bus interface.
• Wiring: Maintain strict separation between ESB bus cabling and high-power AC/DC lines to prevent electromagnetic interference. Ensure all ESB bus connectors are fully seated and free of debris to maintain signal integrity across the bus segment.