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Yokogawa ANB10D-415/CU2T/NDEL Node Unit

Configured for high-speed signal routing in CENTUM VP Distributed Control System platforms, the Yokogawa ANB10D-415/CU2T/NDEL (ANB10D Node Unit) provides direct physical/electrical execution.

Suffix Breakdown & Model Matrix

  • ANB10D: Node Unit for Dual-Redundant ESB Bus
  • -4: Dual-redundant power supply configuration
  • 1: 100 to 120 V AC power supply input
  • 5: Basic type with no intrinsic explosion protection
  • /CU2T: Connector Unit with Terminator for ESB Bus [Part No. S9564FA (2 pieces included)]
  • /NDEL: Software license enablement for Node Expansion

Hardware Specifications

Parameter Specification
Model ANB10D-415/CU2T/NDEL
Brand Yokogawa
Origin Japan
Weight 12 kg (Shipping Weight) / Node Unit: approximately 6.0 kg
Dimensions Standard rack-mount chassis configuration
Operating Temp -20 deg C to +70 deg C (when continuous ISA G3 option is applied)
Power Consumption 100 to 120 V AC, 50/60 Hz supply
Bus Interface Dual-redundant ESB Bus
Isolation 1500 V AC withstand voltage (bus-to-system)
Diagnostics Integrated self-diagnostics with LED status indicators
Compatibility CENTUM VP and ProSafe-RS control systems

DCS Process Control & Instrumentation Attributes

The ANB10D-415/CU2T/NDEL executes physical bus arbitration and deterministic communication over the dual-redundant ESB Bus backplane. Incorporating dual-redundant power supply modules, the unit ensures continuous communication and power distribution to down-rack I/O modules during individual utility line or supply-circuit failure. The /CU2T option integrates dual S9564FA connector units equipped with physical terminal networks, suppressing transmission line reflection and maintaining signal integrity over extended FIO rack configurations.

Frequently Asked Questions

Q: What function does the /NDEL suffix option perform on the ANB10D node?

A: The /NDEL option supplies the designated software expansion license, unlocking the firmware capability required to recognize and address auxiliary expansion nodes connected downstream.

Q: Can this unit operate inside hazardous areas requiring intrinsic safety rating?

A: No. Suffix "5" specifies a basic type containing no intrinsic explosion protection. If input/output signals originate from hazardous environments, external isolated barrier cards must be utilized between the node I/O modules and field instruments.

Q: How is the physical ESB Bus terminated on the ANB10D-415/CU2T/NDEL?

A: Termination is executed via the /CU2T option, which supplies two hardware terminator plug blocks (S9564FA) that lock onto the dedicated ESB Bus interfaces to terminate the bus impedance.

Field Installation Guidelines

  • Mounting Protocol: Install the node unit into standard 19-inch instrument racks. Secure all mounting screws to the cabinet frame to ensure a solid mechanical and electrical ground reference.
  • Power Connections: Route dual independent 100 to 120 V AC lines to the redundant power supplies. Ground the chassis directly to the primary instrument protective earth (PE) busbar.
  • Cable Routing: Connect the ESB Bus cables to the /CU2T connectors. Do not exceed the maximum allowed physical bending radius of the communication cables to prevent transmission impedance mismatch.
  • Environmental Control: Verify that cabinet cooling maintains ambient conditions below 70 deg C (or 60 deg C for optimal components lifespan) to prevent diagnostic faults or thermal drift within adjacent analog modules.

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