Description

Yokogawa ANB10D-417/CU2N ESB Bus Node Unit

Configured for high-speed data exchange in the CENTUM VP distributed control system, the Yokogawa ANB10D-417/CU2N (ANB10D ESB Bus Node Unit) provides direct physical and electrical execution of field I/O integration via dual-redundant ESB bus interfaces.

Suffix Breakdown & Model Matrix

Code Segment	Description
ANB10D	ESB Bus Node Unit for dual-redundant configuration
-4	Dual-redundant power supply module setup
1	100–120 V AC power supply (50/60 Hz)
7	ISA S71.04 Class G3 anti-corrosion protection
/CU2N	Connector unit for ESB bus with 2 pcs S9562FA for daisy-chain

Hardware Specifications

Parameter	Specification
Model Brand	Yokogawa ANB10D-417/CU2N
Origin	Japan
Weight	6.0 kg (empty); up to 10.0 kg (fully populated)
Dimensions	19-inch rack mount
Operating Temp	0 to 50 degC
Power Consumption	Max 200 VA / 120 W @ 100 V AC
Power Supply Voltage	100–120 V AC (85–132 V AC range)
Frequency	50/60 Hz ± 3 Hz
Bus Interface	ESB Bus
I/O Slots	8 FIO module slots
ESB Interface Slots	2 SB401 slave module slots
Corrosion Protection	ANSI/ISA S71.04 Class G3
Grounding	Separate functional and protective via M4 screws

4–20 mA HART Loop Protocol Compatibility

The ANB10D supports integration with 4–20 mA HART-enabled field transmitters through compatible FIO modules, maintaining analog signal integrity while embedding digital process data on the same pair. Channel-to-channel isolation minimizes ground loop interference in multi-node configurations. HART communication follows the CENTUM VP backplane timing without introducing measurable latency into the ESB bus cycle.

Frequently Asked Questions

Q: Can the power supply modules be hot-swapped without interrupting control?

A: Yes. Both PW481 modules support online replacement without affecting active control loops due to redundant design.

Q: Does the /CU2N option include bus termination resistors?

A: No. External termination must be installed if the unit is positioned at the end of the ESB bus line.

Q: Is the G3 coating sufficient for marine atmospheres?

A: The G3 coating protects against severe industrial chemical exposure but is not equivalent to marine-grade protection per IEC 60068-2-52.

Field Installation Guidelines

Mount the unit directly into a 19-inch rack using M5 securing screws. Maintain separation between power and signal cabling to prevent inductive coupling. Shielded twisted-pair cables should be used for ESB bus connections, with shield drains bonded to the functional ground terminal only at the rack end. Verify that both power feeds are derived from independent sources to preserve redundancy. Ensure ambient temperature remains within 0–50 degC during operation to maintain G3 coating performance.

Specifications

• Brand: Yokogawa

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems