Yokogawa ANB10D-426/CU2N/NDEL ESB Bus Node Unit

Hardware Specifications

Process Control Signal Interface and DCS Communication

The Yokogawa ANB10D ESB Bus Node Unit provides an interface between field I/O modules and the Field Control Unit (FCU) through the ESB bus network. Moreover, the unit transfers analog I/O signals and contact I/O signals while supplying power to installed I/O modules.

When connecting this ESB Bus Node Unit to an FCU, the system requires an ESB Bus Couple Module such as EC401 or EC402 installed on compatible FCU models including AFV30, AFV40, AFV10, or AFF55. In addition, the node unit supports structured rack installation for CENTUM VP distributed control system configurations.

The module supports Yokogawa process control signal architectures, including channel communication functions used for field instrumentation. Furthermore, Yokogawa DCS systems can integrate field signal processing through ESB bus communication paths with controlled electrical interfaces.

Frequently Asked Questions

Q: How does the ANB10D-426/CU2N/NDEL connect to a Yokogawa FCU?
A: The unit connects to the FCU through an ESB bus interface. An ESB Bus Couple Module such as EC401 or EC402 is required for the connection.

Q: What power supply configurations does the ANB10D support?
A: The unit supports 100-120 VAC, 220-240 VAC, and 24 VDC power supply configurations according to the selected suffix code.

Q: How is the ANB10D installed in a control system cabinet?
A: The unit uses a 19-inch rack mounting structure with M5 x 4 screws and an insulation bush accessory for mechanical installation.

Field Installation Guidelines

Install the ANB10D-426/CU2N/NDEL in a suitable control cabinet with correct rack mechanical support. Verify that the selected power supply matches the configured voltage specification before energizing the unit.

Connect ESB bus cables according to Yokogawa system installation procedures. Maintain proper cable separation between communication wiring and high-voltage power conductors to reduce electrical interference.

Ensure field I/O wiring uses appropriate terminal connection practices. Ground cable shields according to the system grounding design and avoid unnecessary cable loops inside the cabinet.

Confirm that the installed I/O modules are correctly seated before system startup. Check power distribution, ESB communication status, and FCU connection diagnostics during commissioning.