ANB10D-425-CU2T S2 Yokogawa ESB Bus Node Units

Suffix Breakdown & Model Matrix

Hardware Specifications

Yokogawa DCS ESB Bus Communication Features

The ANB10D-425/CU2T manages ESB Bus communication between the node-level I/O modules and the Field Control Unit. Moreover, the dual-redundant bus structure maintains communication availability through separated communication paths.

The unit supports Yokogawa process control architectures that require distributed I/O expansion. In addition, the CU2T connector unit provides ESB Bus termination hardware to maintain correct bus electrical characteristics.

For process instrumentation interfaces, Yokogawa DCS nodes typically support signal processing modules connected through analog and digital I/O cards. Furthermore, Yokogawa system architectures apply channel-to-channel isolation techniques in compatible I/O modules to reduce signal interference between field circuits.

Frequently Asked Questions

Q: Does the ANB10D-425/CU2T support redundant power operation?
A: Yes. The unit uses a dual-redundant power supply configuration with two independent power input paths designed for continuous DCS node operation.

Q: What is the function of the CU2T option code?
A: The CU2T option identifies the connector unit equipped with an ESB Bus terminator, which provides the required electrical termination for the ESB communication network.

Q: How many I/O modules can be installed on this node unit?
A: The ANB10D-425/CU2T supports installation of up to 8 compatible I/O modules within the node assembly.

Field Installation Guidelines

Install the ANB10D-425/CU2T inside the designated Yokogawa system cabinet using the specified rack mounting structure. Verify that the power supply wiring matches the 220 – 240 V AC input requirement before energizing the unit.

Maintain proper separation between AC power cables and low-level signal wiring to reduce electrical noise coupling. In addition, connect cable shields according to the Yokogawa grounding specifications for the installed CENTUM VP system.

Before connecting the ESB Bus cables, confirm connector seating and terminator installation. Furthermore, verify that the node configuration matches the CENTUM VP hardware database to prevent communication configuration errors.