Yokogawa ANB10D-426/CU2N/NDEL CENTUM VP ESB Bus Node Units

Configured for high-reliability process signal distribution in CENTUM distributed control systems, the Yokogawa ANB10D-426/CU2N/NDEL (ANB10D-426 ESB Bus Node Unit) provides direct physical execution and dual-redundant backplane interfacing for up to eight Field I/O modules.

Suffix Breakdown & Model Matrix

• ANB10D: Base designation for the node unit supporting dual-redundant Extended System Bus architectures.
• -4: Dual-redundant power supply configuration designed for uninterrupted system uptime.
• 2: Input voltage rating specification supporting 220 to 240 V AC power feeds.
• 6: Hardware revision incorporating ISA Standard G3 corrosive gas resistance and an expanded operational temperature range of -20 to 70 deg C, with no explosion protection.
• /CU2N: Integrated connector unit option containing two S9562FA units for ESB bus connection.
• /NDEL: Embedded software license code utilized for node expansion management.

Hardware Specifications

Distributed Control System Bus Integration

• Channel-to-Channel Isolation: Enforces complete galvanic separation across installed module channels to suppress common-mode electrical transients and prevent ground loop interference.
• Deterministic Network Communication: Executes high-speed cyclic data exchange between field control stations and local node modules to maintain strict timing synchronization.
• Redundant Backplane Bus Management: Utilizes dual-path ESB interface lines and dual power supply inputs to isolate single-point component faults and maintain continuous process execution.

Frequently Asked Questions (FAQ)

• Q: Can the 220-240 V AC power supply modules be replaced while the system is powered on?

  A: Yes, the dual-redundant power architecture supports online hot-swapping of individual power supply modules without causing interruptions to node bus communications.

• Q: What environmental protection is provided by the -6 suffix code configuration?

  A: The hardware incorporates ISA Standard G3 conformal coating to resist corrosive chemical gases in harsh industrial environments, alongside an extended temperature rating.

• Q: Does this specific node model include built-in barriers for hazardous area installation?

  A: No, the hardware build features no explosion protection, requiring placement in safe areas or certified purged cabinets.

Field Installation Guidelines

• Bond the 19-inch mounting rack securely to the main control room earth ground reference point before installing the unit.
• Maintain proper vertical airflow clearances above and below the chassis housing to allow effective natural convection cooling across the extended temperature range.
• Confirm that incoming power feeds strictly match the 220-240 V AC rating before energizing the redundant power supply modules.
• Anchor all ESB communication cables securely to eliminate mechanical strain on the S9562FA connector units.