Product Core Brief
- Model: ANB10D-425/CU2N
- Brand: YOKOGAWA
- Series: CS3000 R3 DCS
- Core Function: Provides dual redundant ESB bus connectivity and 220-240VAC power to fieldbus nodes.
- Product Type: Dual Redundant ESB Bus Node Unit
- Key Specs: 220-240VAC Input | Dual Redundant Power | ESB Connector Unit
- Condition: New Original / New Surplus
Product Introduction
YOKOGAWA ANB10D-425/CU2N node units serve as the critical power and communication bridge for fieldbus networks. This industrial automation unit delivers dual redundant power specifically for 220-240VAC environments.
The ANB10D-425/CU2N integrates an ESB bus connector unit (/CU2N) for direct node interfacing. Field engineers rely on this replacement module to maintain high-availability network operations without requiring additional software licensing.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Power Input | 220 – 240 VAC |
| Redundancy Level | Dual Redundant Power Supply |
| Bus Interface | ESB Bus Connector Unit (/CU2N) |
| Base Model | ANB10D Node Unit |
| Environmental Standard | ISA Standard G3 (No Explosion Proof) |
| Operating Temp Range | 20°C to 70°C |
| Software Licensing | No /NDEL License Required |
| System Compatibility | CS3000 R3 DCS |
| Function Block Support | Native Fieldbus Integration |
| Engineering Environment | Windows XP Remote Desktop |
Quality Control Process
Every ANB10D-425/CU2N undergoes rigorous hardware validation before shipping. We first apply 220-240VAC to verify the dual redundant power supplies share the load correctly and handle seamless failover. Next, technicians use an oscilloscope to check the output rails for excessive ripple voltage under full load.
We also validate the ESB bus connector unit by simulating high-speed network traffic to ensure zero packet loss. The ISA G3 environmental tolerances are verified against the unit’s manufacturing date codes. Finally, the unit is sealed in anti-static packaging to protect the sensitive logic during transit.
Replacement Pitfall Guide
❗ Never ignore the voltage suffix code. The “2” in ANB10D-425 strictly dictates 220-240VAC operation. Applying 100-120VAC or 24VDC to this specific model will result in catastrophic power supply failure.
❗ Verify the ESB connector type. The /CU2N suffix means this unit includes the standard ESB bus connector. If your installation requires a termination resistor, you must order the /CU2T variant instead.
❗ Mind the ISA G3 temperature limits. This unit is rated for 20°C to 70°C without explosion-proof protection. Installing it in an unventilated enclosure exceeding this limit will trigger thermal derating.
❗ Check the software licensing requirements. This base node unit does not require the /NDEL node expansion software license. Adding it unnecessarily will complicate your DCS engineering configuration.
Keep these in mind and you’ll cut 90% of rework time.
Compatibility Matrix & Benchmarks
| Original Model | Replacement / Successor Model | Compatibility Level (Direct/Needs Adaptation) | Migration Notes |
|---|---|---|---|
| ANB10D-415/CU2N | YOKOGAWA / | Needs Adaptation | Upgrading from 100-120VAC to 220-240VAC power |
| /CU2T | YOKOGAWA / | Needs Adaptation | Removing termination; verify bus topology |
| YOKOGAWA / | Direct | Drop-in replacement with integrated ESB connector |
- Power Redundancy: Dual redundant 220-240VAC inputs ensure continuous node operation during primary power faults.
- Bus Integration: Native ESB connector eliminates the need for separate interface adapters, streamlining panel layouts.
