ANB11D-215/BU2A/NDEL Yokogawa Bus Interface Unit

Yokogawa ANB11D-215/BU2A/NDEL CENTUM VP ESB Bus Node Interface Units

Yokogawa ANB11D-215/BU2A/NDEL CENTUM VP ESB Bus Node Interface Units

Availability: 10 left in stock

YOKOGAWA ANB11D-215/BU2A/NDEL ESB Bus Node Interface Unit The YOKOGAWA ANB11D-215/BU2A/NDEL, also cataloged as the ANB11D ESB Bus Node Interface Unit,...

SKU: ANB11D-215/BU2A/NDEL

Manufacturer: Yokogawa
Product No.: ANB11D-215/BU2A/NDEL
Product Type: DCS Base Units
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 9000g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

YOKOGAWA ANB11D-215/BU2A/NDEL ESB Bus Node Interface Unit

The YOKOGAWA ANB11D-215/BU2A/NDEL, also cataloged as the ANB11D ESB Bus Node Interface Unit, operates as a dedicated hardware component for interfacing field I/O modules with the Field Control Unit (FCU) within CENTUM VP networks. Configured to handle real-time signal aggregation, the hardware multiplexes discrete and analog input/output states across an active backplane, executing synchronous communications through integrated dual-redundant bus pathways. The unit executes deterministic data transfers to prevent loop latency degradation across the physical automation layer.

Suffix Breakdown & Model Matrix

Code Component	Type	Technical Assignment
ANB11D	Base Model	Optical ESB Bus Node Interface Unit
-2	Suffix	Standard 100-120 V AC power supply variant
1	Suffix	Single system configuration path identifier
5	Suffix	ISA Standard G3 conformal coating with extended temperature profile
/BU2A	Option	Bus Unit with dual-redundant ESB bus interface connectors
/NDEL	Option	Embedded software license for node expansion functionality

Hardware Specifications

Parameter	Specification
Model	ANB11D-215/BU2A/NDEL
Brand	Yokogawa
Origin	Japan
Weight	9-10 kg
Dimensions	Standard 19-inch rack-mount footprint
Operating Temp	-20 to +70 deg C
Power Consumption	120 W
System Compatibility	CENTUM VP, AFV30/AFV40 Field Control Units
Bus Interface	Dual-redundant synchronous ESB bus
Power Supply	Redundant +24 VDC internal distribution rail
Module Capacity	Supports up to 8 I/O modules per NIU
System Capacity	Up to 13 NIUs per single Field Control Unit
Humidity	10% to 95% RH (Non-condensing)
Compliance	CE, UL, ISA G3 conformal coating

Process Control System Technical Characteristics

Operating inside the native CENTUM VP DCS ecosystem, this node interface unit establishes dedicated 4-20 mA HART loop protocol pass-through paths, routing field transmitter parameters directly to upstream processors. The structural backplane incorporates galvanic channel-to-channel isolation matrices that ground transient electrical noise before common-mode voltages distort local processing tasks. Furthermore, the integrated /BU2A module executes dual-line serialization, ensuring complete physical data separation across the redundant synchronous network cables.

Frequently Asked Questions

Q: How does the internal power architecture behave during a power module failure?

A: The hardware utilizes a redundant power configuration with a continuous diode-OR sharing sub-circuit. If one power path encounters a fault or voltage drop, the secondary supply automatically sustains the full 120 W operational load with a zero-millisecond transition delay, preventing bus dropouts.

Q: Can this node unit function on an electrical bus layout without the /BU2A interface connector installed?

A: No. The /BU2A bus unit option supplies the physical termination points and internal transceivers necessary to establish the dual-redundant ESB bus link. Operating the unit without this connector prevents synchronization with the AFV30/AFV40 Field Control Units.

Q: What protection does the ISA G3 coating option specify for harsh industrial settings?

A: The suffix 5 denotes factory application of ISA Standard G3 conformal coating. This chemical barrier shields the electronic circuit boards from corrosive airborne contaminants, preventing trace corrosion and dendritic growth under high humidity and extended thermal ranges.

Field Installation Guidelines

Mechanical Alignment: Mount the chassis horizontally inside a standard 19-inch instrument cabinet using industrial M5 retention screws. Verify all structural fasteners are secure to minimize the impact of mechanical vibrations from surrounding heavy machinery.
Grounding Connection: Bond the dedicated chassis ground stud directly to the primary cabinet Instrument Earth bar using a low-impedance copper conductor. Do not connect this instrumentation ground path to noisy AC utility safety grounds.
Bus Termination: Inspect all optical and electrical ESB bus terminations on the /BU2A module before enabling system power. Confirm that the locking clips engage fully to eliminate data packet reflection and high-frequency communication jitter.
Cable Pathway Rules: Route the low-voltage DC power and communication lines away from high-voltage AC electrical lines. Maintain a minimal physical separation of 300 mm to insulate the synchronous signal lines from electromagnetic interference.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.