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Description
Yokogawa ANB10D-400 ESB Bus Node Unit
Configured for extended serial bus interfacing in Yokogawa CENTUM VP and CENTUM CS 3000 systems, the Yokogawa ANB10D-400 (ANB10D ESB Bus Node Unit) provides direct physical backplane connectivity for up to eight Field I/O modules via redundant ESB bus communication channels.
Suffix Breakdown & Model Matrix
Code Segment
Code
Meaning
Model
ANB10D
ESB Bus Node Unit
Suffix
-400
Dual-redundant power supply, 19-inch rack mount, standard configuration
Hardware Specifications
Parameter
Specification
Brand
Yokogawa
Origin
Japan
Weight
Approx. 6.0 kg (excluding I/O modules and cables)
Dimensions
482.6 mm (W) x 132.5 mm (H) x 314 mm (D)
Operating Temp
0 to 50 degC
Power Consumption
Max 100 VA (AC), 70 W (DC)
I/O Slot Count
8 slots
Mounting
19-inch rack mount
FOUNDATION Fieldbus and Channel Isolation
The ANB10D supports integration with FOUNDATION Fieldbus H1 and Profibus PA compliant FIO modules. Channel-to-channel isolation is implemented within the installed I/O modules to suppress ground potential differences between field instruments. The dual-redundant ESB bus interface modules (EC401/EC402) maintain deterministic data exchange with the Field Control Station, ensuring synchronized process variable acquisition and actuator command execution.
Frequently Asked Questions
Q: Can power supply modules in the ANB10D-400 be hot-swapped?
A: Yes. Dual-redundant power modules can be replaced online without interrupting node operation.
Q: What is the maximum rate of ambient temperature change allowed during operation?
A: Ambient temperature variation must remain within ±10 degC per hour to prevent thermal stress on internal electronics.
Q: Is the ANB10D compatible with both AC and DC power supplies?
A: Yes. Supported voltages include 100–120 V AC, 220–240 V AC, and 24 V DC depending on the installed power module type.
Field Installation Guidelines
Secure the unit in a standard 19-inch rack using appropriate mounting hardware. Connect the functional ground terminal directly to the panel ground bus with short, thick conductors. Route ESB bus cables away from high-voltage power lines to minimize electromagnetic interference. Maintain ambient conditions within specified temperature and humidity limits, and verify power supply voltage matches the installed module rating before energizing.
