وصف

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

Configured for deterministic I/O aggregation in the CENTUM VP and CENTUM CS 3000 distributed control systems, the Yokogawa ANB10D-425/CU2T/NDEL (ANB10D ESB Bus Node Unit) provides direct physical and electrical execution of field signal routing through dual-redundant ESB bus interfaces.

Suffix Breakdown & Model Matrix

Code Segment	Description
ANB10D	Dual-redundant ESB Bus Node Unit
-4	Dual-redundant power supply modules
2	220–240 V AC power input (50/60 Hz)
5	Basic type, no explosion protection
/CU2T	Connector unit with integrated bus terminator
/NDEL	Supplied without digital labeling

Hardware Specifications

Parameter	Specification
Model Brand	Yokogawa ANB10D-425/CU2T/NDEL
Origin	Japan
Weight	10.0 kg (empty)
Dimensions	19-inch rack mount
Operating Temp	0 to 50 degC
Storage Temp	-20 to 70 degC
Power Supply Voltage	220–240 V AC
Frequency	50/60 Hz
Withstanding Voltage	1500 V AC between power and ground terminals
Insulation Resistance	≥ 20 MΩ @ 500 V DC
I/O Slots	8 FIO module slots
Communication Interface	Dual-redundant ESB Bus

FOUNDATION Fieldbus & Profibus PA Connectivity

The ANB10D supports integration with FOUNDATION Fieldbus H1 and Profibus PA segments when paired with compatible FIO communication modules. Bus arbitration occurs at the node level without impacting the deterministic ESB cycle time. Channel-to-channel isolation preserves signal integrity across mixed analog and discrete loads, ensuring compliance with intrinsic safety loop constraints in classified areas.

Frequently Asked Questions

Q: Can the unit operate with only one power supply module installed?

A: Yes, but redundancy is lost; both modules should be installed for fault-tolerant operation.

Q: Does the /CU2T connector require additional termination?

A: No. The integrated terminator is preconfigured for the final position in the ESB bus chain.

Q: What is the function of the /NDEL option in field wiring?

A: /NDEL indicates omission of pre-printed digital label strips; wire identification must be applied manually according to site documentation.

Field Installation Guidelines

Secure the unit in a 19-inch rack using specified mounting hardware. Route ESB bus cables away from high-voltage power lines to minimize electromagnetic interference. Use shielded twisted-pair cable for all bus connections, bonding shields to the functional ground terminal at the rack only. Verify that each power feed originates from an independent source, preferably via separate uninterruptible power supplies. Confirm that installed I/O module total current draw does not exceed the power supply rating before energizing the node.

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