وصف

Yokogawa ANB10D-415/CU2N ESB Bus Node Unit

Configured for distributed I/O communication over the ESB Bus network in CENTUM VP and CENTUM CS 3000 systems, the Yokogawa ANB10D-415/CU2N (ANB10D ESB Bus Node Unit) provides direct physical and electrical execution of I/O module interfacing and bus-level data exchange. The unit incorporates dual-redundant AC power supply architecture, supports rack-mounted installation, and includes the /CU2N connector unit configuration for ESB Bus connectivity.

Suffix Breakdown & Model Matrix

Code	Description
ANB10D	ESB Bus Node Unit, Dual-Redundant Type
-4	Dual-redundant power supply configuration
1	100 - 120 V AC power supply
5	Basic type without explosion protection
/CU2N	Connector Unit for ESB Bus, Part No. S9562FA (2 pieces supplied)

Hardware Specifications

Parameter	Specification
Model	ANB10D-415/CU2N
Brand	Yokogawa
Origin	Japan
Product Type	ESB Bus Node Unit
Interface	ESB Bus
I/O Module Slots	8 slots
Power Supply	100 - 120 V AC
Power Redundancy	Dual-redundant
Frequency	50/60 Hz +/- 3 Hz
Power Consumption	Approx. 80 VA to 100 VA (depending on installed modules)
Withstanding Voltage	1500 V AC between power terminals and grounding terminal
Mounting	19-inch rack mounting
Weight	Approx. 10 kg
Operating Temp	0 to 50 degC
Humidity	10 to 90 % RH, non-condensing
Explosion Protection	Not provided (Basic Type)
Connector Option	/CU2N ESB Bus Connector Unit

Channel Isolation and DCS Communication Architecture

Within Yokogawa CENTUM distributed control platforms, the ANB10D functions as an ESB Bus node interface between field I/O assemblies and the control station. Signal transfer is performed through dedicated ESB Bus communication paths while maintaining electrical separation between field-side modules and control-level communication interfaces according to the installed I/O module characteristics. The dual-redundant power architecture permits continuous node operation during replacement or failure of a single power supply module, subject to system maintenance procedures and installed hardware configuration.

Frequently Asked Questions

Q: Does the ANB10D-415/CU2N support redundant power operation?
A: Yes. The "-4" suffix designates a dual-redundant power supply configuration operating from a 100 - 120 V AC source.

Q: How many I/O modules can be installed in the node unit?
A: The ANB10D chassis provides 8 available slots for compatible Yokogawa FIO modules.

Q: What is the function of the /CU2N option code?
A: The /CU2N option supplies the ESB Bus connector unit configuration and includes S9562FA connector assemblies for ESB Bus connection.

Field Installation Guidelines

• Verify rack grounding continuity before connecting AC power wiring.
• Confirm node address switch settings match the configured ESB Bus network topology before energization.
• Route ESB Bus communication cables separately from AC power conductors to reduce conducted electrical interference.
• Tighten rack mounting hardware according to site mechanical installation standards.
• Inspect connector engagement and locking mechanisms before commissioning.
• During maintenance activities, follow plant procedures for redundant power supply replacement and bus communication verification.
• Maintain environmental conditions within the specified operating temperature and humidity limits.

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