Yokogawa ANB10D-425/CU2T/NDEL ESB Bus Node Units

The Yokogawa ANB10D-425/CU2T/NDEL, also cataloged as the ANB10D ESB Bus Node Unit, operates as a dedicated hardware component for dual-redundant node communication and field bus interfacing within CENTUM platforms.

Suffix Breakdown & Model Matrix

Hardware Specifications

4-20 mA HART Loop Protocol and Fieldbus Connectivity

• 4-20 mA HART Loop Protocol: Supports transparent transmission and loop-powered integration of 4-20 mA analog signals paired with HART digital communication protocols across field input modules.
• FOUNDATION Fieldbus / Profibus PA Connectivity: Accommodates digital bus communication controllers to interface with distributed measurement instrumentation.
• Channel-to-Channel Isolation: Enforces strict galvanic isolation barriers between individual input and output channels to eliminate ground loops and common-mode voltage interference.
• Cold Junction Compensation (CJC): Executes high-accuracy cold junction compensation processing directly within thermocouple input modules to ensure precise temperature measurement.

Frequently Asked Questions

Q: Does the ANB10D-425/CU2T/NDEL unit support hot-swapping of power supply modules during active operation? A: Yes, the dual-redundant power supply architecture allows individual modules to be replaced under power without interrupting system rack backplane communication.

Q: What is the specific function of the /NDEL option code on this hardware variant? A: The /NDEL option code provides the necessary software license for node expansion, required when connecting the node unit to specific field control stations.

Field Installation Guidelines

• Mount the 19-inch rack enclosure securely to structural cabinet rails using appropriate mounting hardware, verifying the 10 Kg chassis load distribution.
• Connect dual AC power sources to separate phase supply lines matching the 220 - 240 V AC rating to maintain uninterrupted redundant power availability.
• Terminate the ESB bus cables using the included /CU2T connector unit and S9564FA terminator components to ensure proper signal reflection control.