Yokogawa ANB10D-425/CU2T ESB Bus Node Units

Availability: 99 left in stock

The Yokogawa ANB10D-425/CU2T, also cataloged as the ANB10D Node Unit for Dual-Redundant ESB Bus, operates as a dedicated hardware component...

SKU: ANB10D-425

Manufacturer: Yokogawa
Product No.: ANB10D-425
Product Type: ESB Bus Node Units
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 10000g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

The Yokogawa ANB10D-425/CU2T, also cataloged as the ANB10D Node Unit for Dual-Redundant ESB Bus, operates as a dedicated hardware component for FOUNDATION Fieldbus communication and power interface within CENTUM VP and CS3000 Distributed Control System networks. Configured for dual-channel operation with integrated termination, this unit establishes deterministic communications across the system backplane to bridge field instrument data with the centralized processors.

Suffix Breakdown & Model Matrix

ANB10D: Node Unit for Dual-Redundant ESB Bus
-4: Dual-redundant power supply configuration
2: 220 - 240 V AC power supply input range
5: Basic hardware type without explosion protection specification
/CU2T: Connector Unit equipped with a built-in Terminator for the ESB Bus segment

Hardware Specifications

Parameter	Specification
Model	ANB10D-425/CU2T
Brand	Yokogawa
Origin	Japan
Weight	10 kg
Dimensions	175 mm (H) x 30 mm (W) x 130 mm (D)
Operating Temp	-20 to +70 deg C
Power Consumption	24 V DC nominal backplane feed / 220 - 240 V AC line input
Communication Standard	FOUNDATION Fieldbus H1 (IEC 61158-2 compliant)
Channels	2 independent H1 channels
Current Consumption	Approx. 0.3 A per channel
Environmental Grade	ISA G3 conformal coating
Isolation	Galvanic isolation between channels and system backplane

FOUNDATION Fieldbus & DCS Connectivity

The node unit integrates specialized FOUNDATION Fieldbus H1 loop protocol circuitry to maintain synchronous, bidirectional digital communications across process automation networks. Featuring channel-to-channel isolation, the hardware isolates electrical faults to individual segments, preventing common-mode noise propagation from disrupting the adjacent bus path. This architecture utilizes hardware-level termination, configured via the /CU2T interface module, to control signal reflections and stabilize bus impedance values.

Frequently Asked Questions

Q: How does the dual-redundant power supply routing execute under a single-source voltage drop?

A: The internal power architecture cross-couples both 220 - 240 V AC supply lines through a diode-OR auctioneering circuit. If one input line experiences a voltage sag or total interruption, the secondary power supply seamlessly assumes the complete electrical load of the node unit with zero millisecond disruption to the active ESB bus traffic.

Q: Is hot-swapping of individual I/O modules supported within the ANB10D backplane structure?

A: Yes, the system backplane architecture allows online removal and replacement of individual communication interfaces and I/O cards mounted within the ANB10D node, provided the dual-redundant ESB bus connection remains undisturbed.

Q: What is the mechanical function of the /CU2T option code?

A: The /CU2T suffix specifies that the unit ships with the designated connector block that contains an integrated, fixed electrical terminator required for the physical end-of-line termination of the ESB bus network topology.

Field Installation Guidelines

Enclosure Environmental Controls: Install the unit vertically into a closed instrument cabinet to guarantee natural convection airflow through the chassis. Ensure ambient conditions do not exceed the maximum rated temperature parameter of +70 deg C under full load.
Grounding Requirements: Secure a direct, low-impedance copper strap from the node grounding terminal to the master instrument functional earth bus. Do not daisy-chain the grounding conductor with adjacent high-current electrical machinery grounds.
Cable Strain Relief and Routing: All local ESB bus connection cables must utilize the integrated screw retention mechanisms on the /CU2T connector unit to prevent contact intermittent behavior caused by mechanical vibration or cable weight tension.

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